Search claims · PlantClaims

Chlorophyll Fluorescence and Membrane Lipid Peroxidation in the Flag Leaves of Different High Yield Rice Variety at Late Stage of Development Under Natural Condition 15

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Quantum yield of PSII (Φ PSⅡ) decreased in rice varieties as chlorophyll content declined late in development.

Taxon: riceOryza sativae1
Compound: chlorophyll contente1
Outcome: Φ PSⅡe1
Direction: decreasede1

Verbatim

e1
“primary photochemical efficiency of PSⅡ (F v/F m), quantum yield of linear electron transport of PSⅡ (Φ PSⅡ), electron transfer rate (ETR) in these rice varieties decreased with their decrease of chlorophyll content during this period”
✓ located verbatim in the source · abstract, characters 476–710

Title

Chlorophyll Fluorescence and Membrane Lipid Peroxidation in the Flag Leaves of Different High Yield Rice Variety at Late Stage of Development Under Natural Condition

Xia Li; Jiao De Mao; Liu Liang; et al. Journal of Integrative Plant Biology 2002

Other claims from this paper (16)

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Shanyou 63 had reduced seed-setting rate and yield.

Taxon: riceOryza sativae1
Material: Shanyou 63e2
Outcome: seed-setting rate and yielde3
Direction: reducede3

Verbatim

e1
“primary photochemical efficiency of PSⅡ (F v/F m), quantum yield of linear electron transport of PSⅡ (Φ PSⅡ), electron transfer rate (ETR) in these rice varieties decreased with their decrease of chlorophyll content during this period”
✓ located verbatim in the source · abstract, characters 476–710

e2
“While F v/F m, Φ PSⅡ,ETR and photochemical qP in Shanyou 63 sensitive to photooxidation decreased more and therefore premature senescence was easy to happen”
✓ located verbatim in the source · abstract, characters 1420–1576

e3
“thus the seed-setting rate and yield were all reduced”
✓ located verbatim in the source · abstract, characters 1578–1631

Title

Chlorophyll Fluorescence and Membrane Lipid Peroxidation in the Flag Leaves of Different High Yield Rice Variety at Late Stage of Development Under Natural Condition

Xia Li; Jiao De Mao; Liu Liang; et al. Journal of Integrative Plant Biology 2002

Other claims from this paper (16)

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

In Shanyou 63, quantum yield of PSII (Φ PSⅡ) decreased more.

Taxon: riceOryza sativae1
Material: Shanyou 63e2
Outcome: Φ PSⅡe2
Direction: decreased moree2
Qualifier: sensitive to photooxidatione2

Verbatim

e1
“primary photochemical efficiency of PSⅡ (F v/F m), quantum yield of linear electron transport of PSⅡ (Φ PSⅡ), electron transfer rate (ETR) in these rice varieties decreased with their decrease of chlorophyll content during this period”
✓ located verbatim in the source · abstract, characters 476–710

e2
“While F v/F m, Φ PSⅡ,ETR and photochemical qP in Shanyou 63 sensitive to photooxidation decreased more and therefore premature senescence was easy to happen”
✓ located verbatim in the source · abstract, characters 1420–1576

Title

Chlorophyll Fluorescence and Membrane Lipid Peroxidation in the Flag Leaves of Different High Yield Rice Variety at Late Stage of Development Under Natural Condition

Xia Li; Jiao De Mao; Liu Liang; et al. Journal of Integrative Plant Biology 2002

Other claims from this paper (16)

Estimation of the Rate of Yield Decrease and Characteristics of Damage in Rice Plant Exposed to Salty Winds of Typhoon No. 15, 2004 13

Show all 13 →

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

At equal branch withering, Haenuki tended to lose more yield than Sasanishiki or Hitomebore.

Taxon: Rice PlantOryza sativat0
Material: はえぬきe0
Outcome: 減収率e0
Direction: 高くなるe0
Comparator: ササニシキe0

Verbatim

e0
“同じ枝梗枯れ数歩合でも減収率は, 「はえぬき」が「ササニシキ」・「ひとめぼれ」に比べて高くなる傾向であり関係式が2本になった”
✓ located verbatim in the source · abstract, characters 517–579

t0
“Rice Plant”
✓ located verbatim in the source · title, characters 74–84

Title

Estimation of the Rate of Yield Decrease and Characteristics of Damage in Rice Plant Exposed to Salty Winds of Typhoon No. 15, 2004

Shizuka Mori; Hiroyuki Matuda; Yasushi Shibata; et al. Japanese Journal of Crop Science 2008. doi:10.1626/jcs.77.13

Other claims from this paper (12)

Association Branch withering rose with sodium chloride up to 1 mg per panicle.
Observation At one mg sodium chloride or more, branch withering was around 80% or higher.
Association Ripening percentage declined with greater branch withering.
Association Whole grain percentage declined with greater branch withering.
Association Brown rice protein tended to increase with branch withering.
Association Brown rice weight tended to decline with branch withering.
Association Broken rice weight tended to increase with branch withering.
Observation Relative brown rice weight was 82 for Sasanishiki and Hitomebore.
Observation Relative brown rice weight was 66 for Haenuki.
Observation Relative brown rice weight was 54 for Koshihikari.
Association Broken rice weight and grain thickness fraction were highly correlated with brown rice weight.
Association Grain number per square meter had a low correlation with brown rice weight.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Ripening percentage declined with greater branch withering.

Taxon: Rice PlantOryza sativat0
Outcome: 登熟歩合e0
Direction: 低下したe0
Comparator: 枝梗枯れ数歩合e0

Verbatim

e0
“登熟歩合と整粒歩合は各品種とも枝梗枯れ数歩合が高いほど低下した”
✓ located verbatim in the source · abstract, characters 168–199

t0
“Rice Plant”
✓ located verbatim in the source · title, characters 74–84

Title

Estimation of the Rate of Yield Decrease and Characteristics of Damage in Rice Plant Exposed to Salty Winds of Typhoon No. 15, 2004

Shizuka Mori; Hiroyuki Matuda; Yasushi Shibata; et al. Japanese Journal of Crop Science 2008. doi:10.1626/jcs.77.13

Other claims from this paper (12)

Association Branch withering rose with sodium chloride up to 1 mg per panicle.
Observation At one mg sodium chloride or more, branch withering was around 80% or higher.
Association Whole grain percentage declined with greater branch withering.
Association Brown rice protein tended to increase with branch withering.
Association Brown rice weight tended to decline with branch withering.
Association Broken rice weight tended to increase with branch withering.
Observation Relative brown rice weight was 82 for Sasanishiki and Hitomebore.
Observation Relative brown rice weight was 66 for Haenuki.
Observation Relative brown rice weight was 54 for Koshihikari.
Association Broken rice weight and grain thickness fraction were highly correlated with brown rice weight.
Association Grain number per square meter had a low correlation with brown rice weight.
Association At equal branch withering, Haenuki tended to lose more yield than Sasanishiki or Hitomebore.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Whole grain percentage declined with greater branch withering.

Taxon: Rice PlantOryza sativat0
Outcome: 整粒歩合e0
Direction: 低下したe0
Comparator: 枝梗枯れ数歩合e0

Verbatim

e0
“登熟歩合と整粒歩合は各品種とも枝梗枯れ数歩合が高いほど低下した”
✓ located verbatim in the source · abstract, characters 168–199

t0
“Rice Plant”
✓ located verbatim in the source · title, characters 74–84

Title

Estimation of the Rate of Yield Decrease and Characteristics of Damage in Rice Plant Exposed to Salty Winds of Typhoon No. 15, 2004

Shizuka Mori; Hiroyuki Matuda; Yasushi Shibata; et al. Japanese Journal of Crop Science 2008. doi:10.1626/jcs.77.13

Other claims from this paper (12)

Association Branch withering rose with sodium chloride up to 1 mg per panicle.
Observation At one mg sodium chloride or more, branch withering was around 80% or higher.
Association Ripening percentage declined with greater branch withering.
Association Brown rice protein tended to increase with branch withering.
Association Brown rice weight tended to decline with branch withering.
Association Broken rice weight tended to increase with branch withering.
Observation Relative brown rice weight was 82 for Sasanishiki and Hitomebore.
Observation Relative brown rice weight was 66 for Haenuki.
Observation Relative brown rice weight was 54 for Koshihikari.
Association Broken rice weight and grain thickness fraction were highly correlated with brown rice weight.
Association Grain number per square meter had a low correlation with brown rice weight.
Association At equal branch withering, Haenuki tended to lose more yield than Sasanishiki or Hitomebore.

Effect of water stress on photosynthesis and yield character of hybrid rice at different stages 12

Show all 12 →

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

at the 7～9 days the activity of SOD began to decrease

Taxon: hybrid riceOryza sativat0 e1
Treatment: severe water stresse0 e1
Outcome: activity of SODe0 e1
Direction: decreasee0 e1
Qualifier: 7～9 dayse0 e1

Not reportedComparator

Verbatim

e0
“at the 7～9 days the activity of SOD began to decrease”
✓ located verbatim in the source · abstract, characters 585–638

e1
“However,in severe water stress and followed by continuing water stress,Pn decreaded rapidly,the content ROS and the activity of SOD were higher than in light water stress,but at the 7～9 days the activity of SOD began to decrease”
✓ located verbatim in the source · abstract, characters 410–638

t0
“hybrid rice”
✓ located verbatim in the source · title, characters 64–75

Title

Effect of water stress on photosynthesis and yield character of hybrid rice at different stages

Guotao Yang Ganhan diqu nongye yanjiu 2008

Other claims from this paper (11)

Intervention effect in light water stress and followed by continuing water stress,Pn decreased,ROS accumulated and the activity of SOD increased in leaves
Intervention effect in light water stress and followed by continuing water stress,Pn decreased,ROS accumulated and the activity of SOD increased in leaves
Intervention effect in light water stress and followed by continuing water stress,Pn decreased,ROS accumulated and the activity of SOD increased in leaves
Intervention effect in severe water stress and followed by continuing water stress,Pn decreaded rapidly
Intervention effect the content ROS and the activity of SOD were higher than in light water stress
Intervention effect After harvest,the magnitude of yield treated with different water stress is summarized as: CKlightsevere
Observation the results showed 6 different protein bands
Intervention effect Followed by increasing water stress degree,the light of protein band increased gradually
Observation It also showed difference in two varieties
Observation The ability of resistance to water stress at three stages were summarized as: Booting stage flowering stagetillering stage
Observation B-You 827 had higher resistance to both light and severe water stress compared to Gangyou 725 at three stages

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

After harvest,the magnitude of yield treated with different water stress is summarized as: CKlightsevere

Taxon: hybrid riceOryza sativat0 e1
Treatment: different water stresse0 e1
Outcome: yielde0 e1
Direction: lowerinferrede0 e1
Comparator: CKe0 e1

Verbatim

e0
“After harvest,the magnitude of yield treated with different water stress is summarized as: CKlightsevere”
✓ located verbatim in the source · abstract, characters 639–743

e1
“However,in severe water stress and followed by continuing water stress,Pn decreaded rapidly,the content ROS and the activity of SOD were higher than in light water stress,but at the 7～9 days the activity of SOD began to decrease”
✓ located verbatim in the source · abstract, characters 410–638

t0
“hybrid rice”
✓ located verbatim in the source · title, characters 64–75

Title

Effect of water stress on photosynthesis and yield character of hybrid rice at different stages

Guotao Yang Ganhan diqu nongye yanjiu 2008

Other claims from this paper (11)

Intervention effect in light water stress and followed by continuing water stress,Pn decreased,ROS accumulated and the activity of SOD increased in leaves
Intervention effect in light water stress and followed by continuing water stress,Pn decreased,ROS accumulated and the activity of SOD increased in leaves
Intervention effect in light water stress and followed by continuing water stress,Pn decreased,ROS accumulated and the activity of SOD increased in leaves
Intervention effect in severe water stress and followed by continuing water stress,Pn decreaded rapidly
Intervention effect the content ROS and the activity of SOD were higher than in light water stress
Intervention effect at the 7～9 days the activity of SOD began to decrease
Observation the results showed 6 different protein bands
Intervention effect Followed by increasing water stress degree,the light of protein band increased gradually
Observation It also showed difference in two varieties
Observation The ability of resistance to water stress at three stages were summarized as: Booting stage flowering stagetillering stage
Observation B-You 827 had higher resistance to both light and severe water stress compared to Gangyou 725 at three stages

Observationobservedoriginal resultmeasured

Claim · model-written summary

the results showed 6 different protein bands

Taxon: hybrid riceOryza sativat0 e1
Outcome: protein bandse0 e1
Value: 6e0 e1

Verbatim

e0
“the results showed 6 different protein bands”
✓ located verbatim in the source · abstract, characters 806–850

e1
“However,in severe water stress and followed by continuing water stress,Pn decreaded rapidly,the content ROS and the activity of SOD were higher than in light water stress,but at the 7～9 days the activity of SOD began to decrease”
✓ located verbatim in the source · abstract, characters 410–638

t0
“hybrid rice”
✓ located verbatim in the source · title, characters 64–75

Title

Effect of water stress on photosynthesis and yield character of hybrid rice at different stages

Guotao Yang Ganhan diqu nongye yanjiu 2008

Other claims from this paper (11)

Intervention effect in light water stress and followed by continuing water stress,Pn decreased,ROS accumulated and the activity of SOD increased in leaves
Intervention effect in light water stress and followed by continuing water stress,Pn decreased,ROS accumulated and the activity of SOD increased in leaves
Intervention effect in light water stress and followed by continuing water stress,Pn decreased,ROS accumulated and the activity of SOD increased in leaves
Intervention effect in severe water stress and followed by continuing water stress,Pn decreaded rapidly
Intervention effect the content ROS and the activity of SOD were higher than in light water stress
Intervention effect at the 7～9 days the activity of SOD began to decrease
Intervention effect After harvest,the magnitude of yield treated with different water stress is summarized as: CKlightsevere
Intervention effect Followed by increasing water stress degree,the light of protein band increased gradually
Observation It also showed difference in two varieties
Observation The ability of resistance to water stress at three stages were summarized as: Booting stage flowering stagetillering stage
Observation B-You 827 had higher resistance to both light and severe water stress compared to Gangyou 725 at three stages

Study on the Effect of Salt Stress on Yield and Grain Quality Among Different Rice Varieties 11

Show all 11 →

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Salt significantly decreased 1000-grain weight and rice yield.

Taxon: riceOryza sativae0
Treatment: salt stresse0
Outcome: 1000-grain weight and yielde0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“salt stress can significantly decrease panicle number, grain number per panicle, 1000-grain weight and yield of rice”
✓ located verbatim in the source · abstract, characters 334–450

Title

Study on the Effect of Salt Stress on Yield and Grain Quality Among Different Rice Varieties

Rui Zhang; Yang Wang; Shahid Hussain; et al. Frontiers in Plant Science 2022. doi:10.3389/fpls.2022.918460

Other claims from this paper (19)

Intervention effect Salt significantly decreased panicle number and grain number per panicle.
Mechanism Panicle number was a main cause of yield loss under saline conditions.
Intervention effect Salt below 34.2 mM NaCl increased brown and milled rice rates.
Intervention effect Salt below 34.2 mM NaCl significantly increased head milled rice rate in salt-sensitive varieties.
Intervention effect Salt below 34.2 mM NaCl decreased head milled rice rate in salt-tolerant varieties.
Intervention effect Grain length was more sensitive to salt than grain width.
Observation Salt tolerance ranked Xudao9, Huageng5, then Yangyugeng2.
Intervention effect Low salt increased appearance, viscosity and balance in Yangyugeng2.
Intervention effect Low salt increased appearance, viscosity and balance in Huageng5.
Intervention effect Low salt increased appearance, viscosity and balance in Xudao9.
Intervention effect Low salt increased taste value in Yangyugeng2.
Intervention effect Low salt increased taste value in Huageng5.
Intervention effect Low salt increased taste value in Xudao9.
Intervention effect Low salt decreased hardness in Yangyugeng2.
Intervention effect Low salt decreased hardness in Huageng5.
Intervention effect Low salt decreased hardness in Xudao9.
Observation Varietal starch pasting differences exceeded salt-induced differences; seed K, Mg, P, S and Cu uptake also varied significantly among varieties.
Intervention effect Salt significantly altered seed uptake of K, Na and Cu ions.
Recommendation The authors recommend salt-tolerant rice for mudflat utilization and conclude low salt improves quality.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Salt significantly decreased panicle number and grain number per panicle.

Taxon: riceOryza sativae0
Treatment: salt stresse0
Outcome: panicle number, grain number per paniclee0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“salt stress can significantly decrease panicle number, grain number per panicle, 1000-grain weight and yield of rice”
✓ located verbatim in the source · abstract, characters 334–450

Title

Study on the Effect of Salt Stress on Yield and Grain Quality Among Different Rice Varieties

Rui Zhang; Yang Wang; Shahid Hussain; et al. Frontiers in Plant Science 2022. doi:10.3389/fpls.2022.918460

Other claims from this paper (19)

Intervention effect Salt significantly decreased 1000-grain weight and rice yield.
Mechanism Panicle number was a main cause of yield loss under saline conditions.
Intervention effect Salt below 34.2 mM NaCl increased brown and milled rice rates.
Intervention effect Salt below 34.2 mM NaCl significantly increased head milled rice rate in salt-sensitive varieties.
Intervention effect Salt below 34.2 mM NaCl decreased head milled rice rate in salt-tolerant varieties.
Intervention effect Grain length was more sensitive to salt than grain width.
Observation Salt tolerance ranked Xudao9, Huageng5, then Yangyugeng2.
Intervention effect Low salt increased appearance, viscosity and balance in Yangyugeng2.
Intervention effect Low salt increased appearance, viscosity and balance in Huageng5.
Intervention effect Low salt increased appearance, viscosity and balance in Xudao9.
Intervention effect Low salt increased taste value in Yangyugeng2.
Intervention effect Low salt increased taste value in Huageng5.
Intervention effect Low salt increased taste value in Xudao9.
Intervention effect Low salt decreased hardness in Yangyugeng2.
Intervention effect Low salt decreased hardness in Huageng5.
Intervention effect Low salt decreased hardness in Xudao9.
Observation Varietal starch pasting differences exceeded salt-induced differences; seed K, Mg, P, S and Cu uptake also varied significantly among varieties.
Intervention effect Salt significantly altered seed uptake of K, Na and Cu ions.
Recommendation The authors recommend salt-tolerant rice for mudflat utilization and conclude low salt improves quality.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Low salt decreased hardness in Xudao9.

Taxon: riceOryza sativae0
Material: Xudao9e0
Treatment: Salt stresse0
Outcome: hardnesse0
Direction: decreasee0
Qualifier: 25.6 mM NaCle0

Not reportedComparator

Verbatim

e0
“Salt stress will increase the appearance, viscosity, degree of balance, and taste value, and decrease the hardness of rice when salt concentration is less than 17.1 mM NaCl in Yangyugeng2 and Huageng5 or 25.6 mM NaCl in Xudao9.”
✓ located verbatim in the source · abstract, characters 1095–1322

Title

Study on the Effect of Salt Stress on Yield and Grain Quality Among Different Rice Varieties

Rui Zhang; Yang Wang; Shahid Hussain; et al. Frontiers in Plant Science 2022. doi:10.3389/fpls.2022.918460

Other claims from this paper (19)

Intervention effect Salt significantly decreased panicle number and grain number per panicle.
Intervention effect Salt significantly decreased 1000-grain weight and rice yield.
Mechanism Panicle number was a main cause of yield loss under saline conditions.
Intervention effect Salt below 34.2 mM NaCl increased brown and milled rice rates.
Intervention effect Salt below 34.2 mM NaCl significantly increased head milled rice rate in salt-sensitive varieties.
Intervention effect Salt below 34.2 mM NaCl decreased head milled rice rate in salt-tolerant varieties.
Intervention effect Grain length was more sensitive to salt than grain width.
Observation Salt tolerance ranked Xudao9, Huageng5, then Yangyugeng2.
Intervention effect Low salt increased appearance, viscosity and balance in Yangyugeng2.
Intervention effect Low salt increased appearance, viscosity and balance in Huageng5.
Intervention effect Low salt increased appearance, viscosity and balance in Xudao9.
Intervention effect Low salt increased taste value in Yangyugeng2.
Intervention effect Low salt increased taste value in Huageng5.
Intervention effect Low salt increased taste value in Xudao9.
Intervention effect Low salt decreased hardness in Yangyugeng2.
Intervention effect Low salt decreased hardness in Huageng5.
Observation Varietal starch pasting differences exceeded salt-induced differences; seed K, Mg, P, S and Cu uptake also varied significantly among varieties.
Intervention effect Salt significantly altered seed uptake of K, Na and Cu ions.
Recommendation The authors recommend salt-tolerant rice for mudflat utilization and conclude low salt improves quality.

Studies on the Causes of Rice Yield Decrease Resulting from Continual Direct Sowing Culture : II. In relation to phosphorus nutrition 10

Show all 10 →

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Increasing phosphorus application lightened the yield decrease to some degree.

Taxon: riceOryza sativat0
Treatment: increasing the amount of phosphorus applicatione1
Outcome: yield decreasee1
Direction: lightenede1
Qualifier: to some degreee1

Not reportedComparator

Verbatim

t0
“Rice Yield Decrease Resulting from Continual Direct Sowing Culture”
✓ located verbatim in the source · title, characters 25–91

e1
“This yield decrease could be lightened to some degree by increasing the amount of phosphorus application”
✓ located verbatim in the source · abstract, characters 2274–2378

Title

Studies on the Causes of Rice Yield Decrease Resulting from Continual Direct Sowing Culture : II. In relation to phosphorus nutrition

Yoshimasa UEMURA; AKIRA MIYASAKA Japanese Journal of Crop Science 1973. doi:10.1626/jcs.42.116

Other claims from this paper (9)

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

The yield decrease under continuous direct sowing occurred only in soils low in available phosphorus.

Taxon: riceOryza sativat0
Treatment: continuous direct sowing culturee1
Outcome: decrease of yielde1
Direction: decreasee1
Qualifier: only in such soils that were low in available phosphorus contente1

Verbatim

t0
“Rice Yield Decrease Resulting from Continual Direct Sowing Culture”
✓ located verbatim in the source · title, characters 25–91

e1
“the decrease of yield in the continuous direct sowing culture caused by the shortage of phosphorus absorption could be recognized only in such soils that were low in available phosphorus content”
✓ located verbatim in the source · abstract, characters 2078–2272

Title

Studies on the Causes of Rice Yield Decrease Resulting from Continual Direct Sowing Culture : II. In relation to phosphorus nutrition

Yoshimasa UEMURA; AKIRA MIYASAKA Japanese Journal of Crop Science 1973. doi:10.1626/jcs.42.116

Other claims from this paper (9)

Observationobservedoriginal resultno effectmeasured

Claim · model-written summary

No yield decrease was found in alluvial paddy soil even under continuous direct sowing culture.

Taxon: riceOryza sativat0
Treatment: continuous direct sowing culturee1
Outcome: such decreasee1
Qualifier: could not be founde1
Setting: alluvial paddy soile0

Verbatim

t0
“Rice Yield Decrease Resulting from Continual Direct Sowing Culture”
✓ located verbatim in the source · title, characters 25–91

e1
“such decrease could not be found, even under continuous direct sowing culture”
✓ located verbatim in the source · abstract, characters 2521–2598

e0
“in alluvial paddy soil which was high in available phosphorus”
✓ located verbatim in the source · abstract, characters 2397–2458

Title

Studies on the Causes of Rice Yield Decrease Resulting from Continual Direct Sowing Culture : II. In relation to phosphorus nutrition

Yoshimasa UEMURA; AKIRA MIYASAKA Japanese Journal of Crop Science 1973. doi:10.1626/jcs.42.116

Other claims from this paper (9)

Effects of Reduced Nitrogen Fertilizer on the Source and Sink Characteristics of Early /Late Season Rice in South China and Their Mechanism 10

Show all 10 →

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Reducing N by 28% relative to conventional N caused no significant decrease in rice yield.

Taxon: riceOryza sativae0
Treatment: reduction of N by 28%e1
Outcome: yielde1
Direction: no significant decreasee1
Comparator: conventional Ne1
Setting: field experimente0

Verbatim

e0
“on rice sink and source characteristics were studied using four varieties(Yuejingsimiao 2,Guixiangzhan,Huayou 8305 and Tianyou 998) in field experiment”
✓ located verbatim in the source · abstract, characters 115–266

e1
“Compared by conventional N,reduction of N by 28% would maintain or promote the rice source and sink coordination,which resulted in no significant decrease in yield”
✓ located verbatim in the source · abstract, characters 267–430

Title

Effects of Reduced Nitrogen Fertilizer on the Source and Sink Characteristics of Early /Late Season Rice in South China and Their Mechanism

MO Zhao-we 2013

Other claims from this paper (9)

Intervention effect Reducing N by 28% would maintain or promote rice source and sink coordination relative to conventional N.
Intervention effect Reducing N by 28% increased grain yield of Yuejingsimiao 2 by 11.99% relative to conventional N.
Intervention effect Reducing N by 28% increased grain yield of Guixiangzhan by 5.51% relative to conventional N.
Intervention effect Reducing N by 28% increased grain yield of Huayou 8305 by 6.46% relative to conventional N.
Mechanism The yield increase under 28% N reduction is attributed to enhanced photosynthesis or sheath and stem transfer ability in rice.
Intervention effect Reducing N by 28% improved sink capacity, spikelet ratio and leaf area of Yuejingsimiao 2 relative to conventional N.
Intervention effect Reducing N by 28% improved sink capacity, spikelet ratio and leaf area of Guixiangzhan relative to conventional N.
Intervention effect Reducing N by 28% improved the available filled ratio of sink in Huayou 8305 relative to conventional N.
Intervention effect Reducing N by 28% produced no significant difference in sink and source characteristics of Tianyou 998.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Reducing N by 28% increased grain yield of Guixiangzhan by 5.51% relative to conventional N.

Taxon: riceOryza sativae1
Material: Guixiangzhane2
Treatment: Reduction of N by 28%e2
Outcome: grain yielde2
Direction: increasede2
Value: 5.51%e2
Comparator: conventional Ne1

Verbatim

e1
“Compared by conventional N,reduction of N by 28% would maintain or promote the rice source and sink coordination,which resulted in no significant decrease in yield”
✓ located verbatim in the source · abstract, characters 267–430

e2
“Reduction of N by 28% increased grain yield by 11.99%,5.51% and 6.46% for Yuejingsimiao 2,Guixiangzhan and Huayou 8305,rexpectively”
✓ located verbatim in the source · abstract, characters 431–562

Title

Effects of Reduced Nitrogen Fertilizer on the Source and Sink Characteristics of Early /Late Season Rice in South China and Their Mechanism

MO Zhao-we 2013

Other claims from this paper (9)

Intervention effect Reducing N by 28% relative to conventional N caused no significant decrease in rice yield.
Intervention effect Reducing N by 28% would maintain or promote rice source and sink coordination relative to conventional N.
Intervention effect Reducing N by 28% increased grain yield of Yuejingsimiao 2 by 11.99% relative to conventional N.
Intervention effect Reducing N by 28% increased grain yield of Huayou 8305 by 6.46% relative to conventional N.
Mechanism The yield increase under 28% N reduction is attributed to enhanced photosynthesis or sheath and stem transfer ability in rice.
Intervention effect Reducing N by 28% improved sink capacity, spikelet ratio and leaf area of Yuejingsimiao 2 relative to conventional N.
Intervention effect Reducing N by 28% improved sink capacity, spikelet ratio and leaf area of Guixiangzhan relative to conventional N.
Intervention effect Reducing N by 28% improved the available filled ratio of sink in Huayou 8305 relative to conventional N.
Intervention effect Reducing N by 28% produced no significant difference in sink and source characteristics of Tianyou 998.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Reducing N by 28% increased grain yield of Yuejingsimiao 2 by 11.99% relative to conventional N.

Taxon: riceOryza sativae1
Material: Yuejingsimiao 2e2
Treatment: Reduction of N by 28%e2
Outcome: grain yielde2
Direction: increasede2
Value: 11.99%e2
Comparator: conventional Ne1

Verbatim

e1
“Compared by conventional N,reduction of N by 28% would maintain or promote the rice source and sink coordination,which resulted in no significant decrease in yield”
✓ located verbatim in the source · abstract, characters 267–430

e2
“Reduction of N by 28% increased grain yield by 11.99%,5.51% and 6.46% for Yuejingsimiao 2,Guixiangzhan and Huayou 8305,rexpectively”
✓ located verbatim in the source · abstract, characters 431–562

Title

Effects of Reduced Nitrogen Fertilizer on the Source and Sink Characteristics of Early /Late Season Rice in South China and Their Mechanism

MO Zhao-we 2013

Other claims from this paper (9)

Intervention effect Reducing N by 28% relative to conventional N caused no significant decrease in rice yield.
Intervention effect Reducing N by 28% would maintain or promote rice source and sink coordination relative to conventional N.
Intervention effect Reducing N by 28% increased grain yield of Guixiangzhan by 5.51% relative to conventional N.
Intervention effect Reducing N by 28% increased grain yield of Huayou 8305 by 6.46% relative to conventional N.
Mechanism The yield increase under 28% N reduction is attributed to enhanced photosynthesis or sheath and stem transfer ability in rice.
Intervention effect Reducing N by 28% improved sink capacity, spikelet ratio and leaf area of Yuejingsimiao 2 relative to conventional N.
Intervention effect Reducing N by 28% improved sink capacity, spikelet ratio and leaf area of Guixiangzhan relative to conventional N.
Intervention effect Reducing N by 28% improved the available filled ratio of sink in Huayou 8305 relative to conventional N.
Intervention effect Reducing N by 28% produced no significant difference in sink and source characteristics of Tianyou 998.

Production Assessment and Genome Comparison Revealed High Yield Potential and Novel Specific Alleles Associated with Fertility and Yield in Neo-Tetraploid Rice 10

Show all 10 →

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Knockout mutants had an average 4.88 g decrease in yield per plant.

Taxon: riceOryza sativat0
Material: Knockout mutantse0
Treatment: Knockoute0
Outcome: YPPe0
Direction: decreasee0
Value: 4.88 ge0

Not reportedComparator

Verbatim

t0
“Rice”
✓ located verbatim in the source · title, characters 155–159

e0
“Knockout mutants showed on an average 25.63% and 4.88 g decrease in SS and YPP, respectively.”
✓ located verbatim in the source · abstract, characters 1251–1344

Title

Production Assessment and Genome Comparison Revealed High Yield Potential and Novel Specific Alleles Associated with Fertility and Yield in Neo-Tetraploid Rice

Hang Yu; Muhammad Qasim Shahid; Qihang Li; et al. Rice 2020. doi:10.1186/s12284-020-00387-3

Other claims from this paper (17)

Association Yield per plant increased by 4.45 g and was significantly associated with seed setting improvement.
Association Seed setting increased by 29.44% and was significantly associated with yield improvement.
Observation NTR yield significantly improved relative to parental lines.
Observation NTR seed setting significantly improved relative to parental lines.
Method / resource Inherited chromosomal blocks illustrated NTR genome composition.
Observation The 13 NTR lines conserved 222 non-parental genes relative to low-fertility parental lines.
Observation The non-parental genes overlapped yield and fertility QTLs.
Observation RNA-Seq found 81 of these genes enriched in reproductive tissues.
Intervention effect Knockout mutants had an average 25.63% decrease in seed setting.
Intervention effect kin7l mutant seed setting decreased by 44.65%.
Intervention effect kin7l mutant yield per plant decreased by 8.81 g.
Intervention effect kin14m mutant seed setting decreased by 24.30%.
Intervention effect kin14m mutant yield per plant decreased by 4.71 g.
Intervention effect bzr3 mutant seed setting decreased by 24.42%.
Intervention effect bzr3 mutant yield per plant decreased by 5.90 g.
Intervention effect nrfg4 mutant seed setting decreased by 28.33%.
Intervention effect nrfg4 mutant yield per plant decreased by 6.22 g.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Knockout mutants had an average 25.63% decrease in seed setting.

Taxon: riceOryza sativat0
Material: Knockout mutantse0
Treatment: Knockoute0
Outcome: SSe0
Direction: decreasee0
Value: 25.63%e0

Not reportedComparator

Verbatim

t0
“Rice”
✓ located verbatim in the source · title, characters 155–159

e0
“Knockout mutants showed on an average 25.63% and 4.88 g decrease in SS and YPP, respectively.”
✓ located verbatim in the source · abstract, characters 1251–1344

Title

Production Assessment and Genome Comparison Revealed High Yield Potential and Novel Specific Alleles Associated with Fertility and Yield in Neo-Tetraploid Rice

Hang Yu; Muhammad Qasim Shahid; Qihang Li; et al. Rice 2020. doi:10.1186/s12284-020-00387-3

Other claims from this paper (17)

Association Yield per plant increased by 4.45 g and was significantly associated with seed setting improvement.
Association Seed setting increased by 29.44% and was significantly associated with yield improvement.
Observation NTR yield significantly improved relative to parental lines.
Observation NTR seed setting significantly improved relative to parental lines.
Method / resource Inherited chromosomal blocks illustrated NTR genome composition.
Observation The 13 NTR lines conserved 222 non-parental genes relative to low-fertility parental lines.
Observation The non-parental genes overlapped yield and fertility QTLs.
Observation RNA-Seq found 81 of these genes enriched in reproductive tissues.
Intervention effect Knockout mutants had an average 4.88 g decrease in yield per plant.
Intervention effect kin7l mutant seed setting decreased by 44.65%.
Intervention effect kin7l mutant yield per plant decreased by 8.81 g.
Intervention effect kin14m mutant seed setting decreased by 24.30%.
Intervention effect kin14m mutant yield per plant decreased by 4.71 g.
Intervention effect bzr3 mutant seed setting decreased by 24.42%.
Intervention effect bzr3 mutant yield per plant decreased by 5.90 g.
Intervention effect nrfg4 mutant seed setting decreased by 28.33%.
Intervention effect nrfg4 mutant yield per plant decreased by 6.22 g.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

kin7l mutant seed setting decreased by 44.65%.

Taxon: riceOryza sativat0
Treatment: kin7le0
Gene: kin7le0
Outcome: SSe0
Direction: decreasee0
Value: 44.65%e0

Not reportedComparator

Verbatim

t0
“Rice”
✓ located verbatim in the source · title, characters 155–159

e0
“Notably, some mutants showed interesting phenotypes, e.g., kin7l (kinesin motor gene) and kin14m (kinesin motor gene), bzr3 (BES1/BZR1 homolog) and nrfg4 (neo-tetraploid rice fertility related gene) exhibited 44.65%, 24.30%, 24.42% and 28.33% decrease in SS and 8.81 g, 4.71 g, 5.90 g, 6.22 g reduction in YPP, respectively.”
✓ located verbatim in the source · abstract, characters 1345–1669

Title

Production Assessment and Genome Comparison Revealed High Yield Potential and Novel Specific Alleles Associated with Fertility and Yield in Neo-Tetraploid Rice

Hang Yu; Muhammad Qasim Shahid; Qihang Li; et al. Rice 2020. doi:10.1186/s12284-020-00387-3

Other claims from this paper (17)

Association Yield per plant increased by 4.45 g and was significantly associated with seed setting improvement.
Association Seed setting increased by 29.44% and was significantly associated with yield improvement.
Observation NTR yield significantly improved relative to parental lines.
Observation NTR seed setting significantly improved relative to parental lines.
Method / resource Inherited chromosomal blocks illustrated NTR genome composition.
Observation The 13 NTR lines conserved 222 non-parental genes relative to low-fertility parental lines.
Observation The non-parental genes overlapped yield and fertility QTLs.
Observation RNA-Seq found 81 of these genes enriched in reproductive tissues.
Intervention effect Knockout mutants had an average 25.63% decrease in seed setting.
Intervention effect Knockout mutants had an average 4.88 g decrease in yield per plant.
Intervention effect kin7l mutant yield per plant decreased by 8.81 g.
Intervention effect kin14m mutant seed setting decreased by 24.30%.
Intervention effect kin14m mutant yield per plant decreased by 4.71 g.
Intervention effect bzr3 mutant seed setting decreased by 24.42%.
Intervention effect bzr3 mutant yield per plant decreased by 5.90 g.
Intervention effect nrfg4 mutant seed setting decreased by 28.33%.
Intervention effect nrfg4 mutant yield per plant decreased by 6.22 g.

Estimation of Yield Decrease of Rice due to Weeds in Dry Sowing Culture 9

Show all 9 →

Observationobservedoriginal resultmeasured

Claim · model-written summary

The relation between early weed mass and yield could not be resolved.

Taxon: RiceOryza sativat0
Outcome: 雑草量と収量との関係e0

Verbatim

t0
“Rice”
✓ located verbatim in the source · title, characters 32–36

e0
“生育初期における雑草量と収量との関係は明らかにし得なかつた”
✓ located verbatim in the source · abstract, characters 526–555

Title

Estimation of Yield Decrease of Rice due to Weeds in Dry Sowing Culture

Takashi OTA; Shozaburo SAIGO; Yutaka HIRANO Journal of Weed Science and Technology 1963. doi:10.3719/weed.1963.86

Other claims from this paper (8)

Association Mature weed mass and brown-rice yield were strongly negatively correlated, with r = −0.95.
Observation The mature weed mass–yield relation was y = −0.008x + 48.74.
Association Weed mass about 20 days after flooding also related to yield, modeled as y = 43.8×10−0.00046x.
Observation Early weed suppression before flooding was effective in the dry-sown rice system.
Observation Weeds reduced rice panicle number most strongly.
Observation Weeds also shortened rice panicles.
Observation Very high weed mass increased lodging.
Observation Very high weed mass worsened grain filling.

Observationobservedoriginal resultmeasured

Claim · model-written summary

The mature weed mass–yield relation was y = −0.008x + 48.74.

Taxon: RiceOryza sativat0
Outcome: y=-0.008x+48.74e0
Value: -0.008x+48.74e0

Verbatim

t0
“Rice”
✓ located verbatim in the source · title, characters 32–36

e0
“y=-0.008x+48.74という式が得られた”
✓ located verbatim in the source · abstract, characters 373–397

Title

Estimation of Yield Decrease of Rice due to Weeds in Dry Sowing Culture

Takashi OTA; Shozaburo SAIGO; Yutaka HIRANO Journal of Weed Science and Technology 1963. doi:10.3719/weed.1963.86

Other claims from this paper (8)

Association Mature weed mass and brown-rice yield were strongly negatively correlated, with r = −0.95.
Association Weed mass about 20 days after flooding also related to yield, modeled as y = 43.8×10−0.00046x.
Observation Early weed suppression before flooding was effective in the dry-sown rice system.
Observation The relation between early weed mass and yield could not be resolved.
Observation Weeds reduced rice panicle number most strongly.
Observation Weeds also shortened rice panicles.
Observation Very high weed mass increased lodging.
Observation Very high weed mass worsened grain filling.

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Weeds also shortened rice panicles.

Taxon: RiceOryza sativat0
Outcome: 穂長減e0
Direction: 減e0

Verbatim

t0
“Rice”
✓ located verbatim in the source · title, characters 32–36

e0
“ついで穂長減として”
✓ located verbatim in the source · abstract, characters 632–641

Title

Estimation of Yield Decrease of Rice due to Weeds in Dry Sowing Culture

Takashi OTA; Shozaburo SAIGO; Yutaka HIRANO Journal of Weed Science and Technology 1963. doi:10.3719/weed.1963.86

Other claims from this paper (8)

Association Mature weed mass and brown-rice yield were strongly negatively correlated, with r = −0.95.
Observation The mature weed mass–yield relation was y = −0.008x + 48.74.
Association Weed mass about 20 days after flooding also related to yield, modeled as y = 43.8×10−0.00046x.
Observation Early weed suppression before flooding was effective in the dry-sown rice system.
Observation The relation between early weed mass and yield could not be resolved.
Observation Weeds reduced rice panicle number most strongly.
Observation Very high weed mass increased lodging.
Observation Very high weed mass worsened grain filling.

The Alternation of Direct Sowing and Transplanting as a Counterplan for the Rice Yield Decrease due to Continuance of Direct Sowing Culture 9

Show all 9 →

Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The authors concluded that alternating direct sowing and transplanting could counter the yield decline.

Taxon: riceOryza sativat0
Outcome: alternation of direct sowing and transplantinge0
Qualifier: promising counterplane0

Verbatim

e0
“the alternation of direct sowing and transplanting was concluded to be a promising counterplan to the rice yield decrease due to the continued direct sowing culture.”
✓ located verbatim in the source · abstract, characters 1568–1733

t0
“Rice”
✓ located verbatim in the source · title, characters 76–80

Title

The Alternation of Direct Sowing and Transplanting as a Counterplan for the Rice Yield Decrease due to Continuance of Direct Sowing Culture

Yoshimasa UEMURA; Akira MIYASAKA Japanese Journal of Crop Science 1977. doi:10.1626/jcs.46.414

Other claims from this paper (8)

Intervention effect First-year converted plots had better rice growth than long-term direct sowing plots.
Intervention effect First-year converted plots had better rice yield than long-term direct sowing plots.
Association The first-year growth and yield advantage was more apparent in well-drained fields.
Intervention effect Second-year converted plots did not differ significantly from continued sowing plots in growth and yield.
Intervention effect Conversion increased total inorganic available nitrogen in soil early in the first year.
Intervention effect Conversion decreased soil nitrate nitrogen early in the first year.
Intervention effect Postharvest direct sowing soil drained and harrowed more easily and had more porosity than transplanted soil.
Observation The soil physical properties of direct sowing appeared in the first year after conversion.

Associationobservedoriginal resultmeasured

Claim · model-written summary

The first-year growth and yield advantage was more apparent in well-drained fields.

Taxon: riceOryza sativat0
Outcome: tendencye0
Direction: more apparente0
Comparator: ill drained onee0
Setting: well drained paddy fielde0

Verbatim

e0
“These tendency was more apparent in well drained paddy field than in ill drained one.”
✓ located verbatim in the source · abstract, characters 719–804

t0
“Rice”
✓ located verbatim in the source · title, characters 76–80

Title

The Alternation of Direct Sowing and Transplanting as a Counterplan for the Rice Yield Decrease due to Continuance of Direct Sowing Culture

Yoshimasa UEMURA; Akira MIYASAKA Japanese Journal of Crop Science 1977. doi:10.1626/jcs.46.414

Other claims from this paper (8)

Intervention effect First-year converted plots had better rice growth than long-term direct sowing plots.
Intervention effect First-year converted plots had better rice yield than long-term direct sowing plots.
Intervention effect Second-year converted plots did not differ significantly from continued sowing plots in growth and yield.
Intervention effect Conversion increased total inorganic available nitrogen in soil early in the first year.
Intervention effect Conversion decreased soil nitrate nitrogen early in the first year.
Intervention effect Postharvest direct sowing soil drained and harrowed more easily and had more porosity than transplanted soil.
Observation The soil physical properties of direct sowing appeared in the first year after conversion.
Recommendation The authors concluded that alternating direct sowing and transplanting could counter the yield decline.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Second-year converted plots did not differ significantly from continued sowing plots in growth and yield.

Taxon: riceOryza sativae0
Treatment: second year plots after converted from transplanting culturee0
Outcome: growth and yielde0
Direction: No significant differencese0
Comparator: continued direct sowing plotse0

Verbatim

e0
“No significant differences in the growth and yield of direct sowing rice could be found between the second year plots after converted from transplanting culture and the continued direct sowing plots.”
✓ located verbatim in the source · abstract, characters 808–1007

Title

The Alternation of Direct Sowing and Transplanting as a Counterplan for the Rice Yield Decrease due to Continuance of Direct Sowing Culture

Yoshimasa UEMURA; Akira MIYASAKA Japanese Journal of Crop Science 1977. doi:10.1626/jcs.46.414

Other claims from this paper (8)

Intervention effect First-year converted plots had better rice growth than long-term direct sowing plots.
Intervention effect First-year converted plots had better rice yield than long-term direct sowing plots.
Association The first-year growth and yield advantage was more apparent in well-drained fields.
Intervention effect Conversion increased total inorganic available nitrogen in soil early in the first year.
Intervention effect Conversion decreased soil nitrate nitrogen early in the first year.
Intervention effect Postharvest direct sowing soil drained and harrowed more easily and had more porosity than transplanted soil.
Observation The soil physical properties of direct sowing appeared in the first year after conversion.
Recommendation The authors concluded that alternating direct sowing and transplanting could counter the yield decline.

Effects of light intensity and nitrogen fertilizer interaction on carbon and nitrogen metabolism at grain-filling stage and its relationship with yield and quality of southern soft japonica rice 9

Show all 9 →

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Lower light reduced grain starch including amylose.

Taxon: riceOryza sativat0
Treatment: decrease of light intensitye1
Outcome: content of grain starch (including amylose)e0
Direction: decreasede0

Not reportedComparator

Verbatim

e0
“the content of grain starch (including amylose) decreased”
✓ located verbatim in the source · abstract, characters 1260–1317

e1
“decrease of light intensity at grain-filling stage”
✓ located verbatim in the source · abstract, characters 933–983

t0
“rice”
✓ located verbatim in the source · title, characters 190–194

Title

Effects of light intensity and nitrogen fertilizer interaction on carbon and nitrogen metabolism at grain-filling stage and its relationship with yield and quality of southern soft japonica rice

Xin-Yi CHEN; Ying ZHU; Zhong-Tao MA; et al. ACTA AGRONOMICA SINICA 2023. doi:10.3724/sp.j.1006.2023.22054

Other claims from this paper (15)

Intervention effect Lower grain-filling light reduced flag-leaf photosynthetic rate by 7.35%-42.36%.
Intervention effect Lower light reduced sucrose phosphate synthase and sucrose synthase activity.
Intervention effect Lower light reduced leaf C/N ratio by 3.98-6.49.
Intervention effect Lower light reduced photosynthate transport to rice grains.
Intervention effect Lower light raised activities of nitrate reductase, glutamine synthetase and glutamate synthetase.
Intervention effect Lower light raised plant nitrogen concentration and protein accumulation.
Intervention effect Mid-to-late nitrogen fertilizer significantly increased key leaf carbon and nitrogen enzyme activities.
Intervention effect Mid-to-late nitrogen application slowed leaf aging and prolonged rice grain filling.
Intervention effect Later nitrogen application increased grain protein significantly.
Intervention effect Later nitrogen application reduced grain starch-to-protein and amylose-to-protein ratios.
Intervention effect Later nitrogen application reduced rice taste value.
Intervention effect Normal light plus nitrogen at the top fourth leaf stage improved leaf carbon and nitrogen enzyme activities.
Observation Under L1-N3, the grain starch-to-protein ratio was 11.43 to 12.03.
Observation Under L1-N3, the grain amylose-to-protein ratio was 1.34 to 1.50.
Observation The L1-N3 regime produced low hardness, high viscosity and good taste alongside high yield and quality.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Lower light reduced photosynthate transport to rice grains.

Taxon: riceOryza sativat0
Treatment: decrease of light intensitye1
Outcome: transportation of photosynthetic products to grainse0
Direction: decreasede0

Not reportedComparator

Verbatim

e0
“the transportation of photosynthetic products to grains decreased”
✓ located verbatim in the source · abstract, characters 1189–1254

e1
“decrease of light intensity at grain-filling stage”
✓ located verbatim in the source · abstract, characters 933–983

t0
“rice”
✓ located verbatim in the source · title, characters 190–194

Title

Effects of light intensity and nitrogen fertilizer interaction on carbon and nitrogen metabolism at grain-filling stage and its relationship with yield and quality of southern soft japonica rice

Xin-Yi CHEN; Ying ZHU; Zhong-Tao MA; et al. ACTA AGRONOMICA SINICA 2023. doi:10.3724/sp.j.1006.2023.22054

Other claims from this paper (15)

Intervention effect Lower grain-filling light reduced flag-leaf photosynthetic rate by 7.35%-42.36%.
Intervention effect Lower light reduced sucrose phosphate synthase and sucrose synthase activity.
Intervention effect Lower light reduced leaf C/N ratio by 3.98-6.49.
Intervention effect Lower light reduced grain starch including amylose.
Intervention effect Lower light raised activities of nitrate reductase, glutamine synthetase and glutamate synthetase.
Intervention effect Lower light raised plant nitrogen concentration and protein accumulation.
Intervention effect Mid-to-late nitrogen fertilizer significantly increased key leaf carbon and nitrogen enzyme activities.
Intervention effect Mid-to-late nitrogen application slowed leaf aging and prolonged rice grain filling.
Intervention effect Later nitrogen application increased grain protein significantly.
Intervention effect Later nitrogen application reduced grain starch-to-protein and amylose-to-protein ratios.
Intervention effect Later nitrogen application reduced rice taste value.
Intervention effect Normal light plus nitrogen at the top fourth leaf stage improved leaf carbon and nitrogen enzyme activities.
Observation Under L1-N3, the grain starch-to-protein ratio was 11.43 to 12.03.
Observation Under L1-N3, the grain amylose-to-protein ratio was 1.34 to 1.50.
Observation The L1-N3 regime produced low hardness, high viscosity and good taste alongside high yield and quality.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Later nitrogen application reduced rice taste value.

Taxon: riceOryza sativat0
Treatment: delay of nitrogen fertilizer application periode0
Outcome: taste valuee0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“With the delay of nitrogen fertilizer application period, nitrogen metabolism became more vigorous, and the protein content in grain had a relative significant increase, resulting in the decrease of the ratio of starch to protein and the ratio of amylose to protein, and the decrease of taste value”
✓ located verbatim in the source · abstract, characters 1928–2226

t0
“rice”
✓ located verbatim in the source · title, characters 190–194

Title

Effects of light intensity and nitrogen fertilizer interaction on carbon and nitrogen metabolism at grain-filling stage and its relationship with yield and quality of southern soft japonica rice

Xin-Yi CHEN; Ying ZHU; Zhong-Tao MA; et al. ACTA AGRONOMICA SINICA 2023. doi:10.3724/sp.j.1006.2023.22054

Other claims from this paper (15)

Intervention effect Lower grain-filling light reduced flag-leaf photosynthetic rate by 7.35%-42.36%.
Intervention effect Lower light reduced sucrose phosphate synthase and sucrose synthase activity.
Intervention effect Lower light reduced leaf C/N ratio by 3.98-6.49.
Intervention effect Lower light reduced photosynthate transport to rice grains.
Intervention effect Lower light reduced grain starch including amylose.
Intervention effect Lower light raised activities of nitrate reductase, glutamine synthetase and glutamate synthetase.
Intervention effect Lower light raised plant nitrogen concentration and protein accumulation.
Intervention effect Mid-to-late nitrogen fertilizer significantly increased key leaf carbon and nitrogen enzyme activities.
Intervention effect Mid-to-late nitrogen application slowed leaf aging and prolonged rice grain filling.
Intervention effect Later nitrogen application increased grain protein significantly.
Intervention effect Later nitrogen application reduced grain starch-to-protein and amylose-to-protein ratios.
Intervention effect Normal light plus nitrogen at the top fourth leaf stage improved leaf carbon and nitrogen enzyme activities.
Observation Under L1-N3, the grain starch-to-protein ratio was 11.43 to 12.03.
Observation Under L1-N3, the grain amylose-to-protein ratio was 1.34 to 1.50.
Observation The L1-N3 regime produced low hardness, high viscosity and good taste alongside high yield and quality.

“yield decrease”

Claim types

Direction of the findings

Over time

Claim type

Research area

Polarity

Statistics

Chlorophyll Fluorescence and Membrane Lipid Peroxidation in the Flag Leaves of Different High Yield Rice Variety at Late Stage of Development Under Natural Condition 15

Estimation of the Rate of Yield Decrease and Characteristics of Damage in Rice Plant Exposed to Salty Winds of Typhoon No. 15, 2004 13

Effect of water stress on photosynthesis and yield character of hybrid rice at different stages 12

Study on the Effect of Salt Stress on Yield and Grain Quality Among Different Rice Varieties 11

Studies on the Causes of Rice Yield Decrease Resulting from Continual Direct Sowing Culture : II. In relation to phosphorus nutrition 10

Effects of Reduced Nitrogen Fertilizer on the Source and Sink Characteristics of Early /Late Season Rice in South China and Their Mechanism 10

Production Assessment and Genome Comparison Revealed High Yield Potential and Novel Specific Alleles Associated with Fertility and Yield in Neo-Tetraploid Rice 10

Estimation of Yield Decrease of Rice due to Weeds in Dry Sowing Culture 9

The Alternation of Direct Sowing and Transplanting as a Counterplan for the Rice Yield Decrease due to Continuance of Direct Sowing Culture 9

Effects of light intensity and nitrogen fertilizer interaction on carbon and nitrogen metabolism at grain-filling stage and its relationship with yield and quality of southern soft japonica rice 9