Search claims · PlantClaims

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

Light water stress did not significantly decrease Nei2you6 yield.

Taxon: riceOryza sativat0
Material: Nei2you6e0
Treatment: light water stresse0
Outcome: yielde0
Direction: didn't decreasee0

Not reportedComparator

Verbatim

e0
“The results indicated that the yield of Nei2you6 didn't decrease significantly under light water stress”
✓ located verbatim in the source · abstract, characters 201–304

t0
“rice”
✓ located verbatim in the source · title, characters 59–63

Title

Effects of soil moisture on superficial roots and yield of rice

Li Hua; Zhang Yu-ping Ganhan diqu nongye yanjiu 2006

Other claims from this paper (10)

Intervention effect Severe water stress reduced Nei2you6 yield by 15.2%.
Intervention effect Soil water stress increased yield of Ⅱyou7954.
Observation Nei2you6 was more sensitive to soil water stress than Ⅱyou7954.
Intervention effect Light water stress slightly promoted superficial root growth.
Intervention effect Severe water stress reduced superficial root dry weight of Nei2you6 by 10.5%~31.6%.
Intervention effect Severe water stress reduced superficial root dry weight of Ⅱyou7954 by 13%.
Intervention effect Soil water stress enhanced superficial root activity.
Intervention effect Root cutting at panicle initiation caused more yield reduction than at flowering.
Intervention effect Cutting roots at panicle initiation decreased grain number per panicle.
Intervention effect Cutting roots at flowering decreased spikelet fertility rate.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

High-rate controlled-release urea (HN) did not significantly decrease rice yield compared with conventional urea (FP).

Taxon: riceOryza sativae0
Treatment: HNe0
Outcome: rice yielde0
Direction: did not decreasee0
Comparator: FPe0

Verbatim

e0
“As compared with FP, HN did not decrease rice yield significantly”
✓ located verbatim in the source · abstract, characters 370–435

Title

[Effects of seeding-box total fertilization on rice yield and nitrogen loss].

Ru-Liang Liu; You-Hong Li; Ai-Ping Zhang; et al. PubMed 2012

Other claims from this paper (7)

Intervention effect Medium-rate controlled-release urea (MN) increased the two-year average nitrogen use efficiency of rice by 26.2% compared with FP.
Intervention effect High-rate controlled-release urea (HN) increased the two-year average nitrogen use efficiency of rice by 20.7% compared with FP.
Intervention effect Total N concentration in surface water peaked 7-9 days after urea application in MN and HN, versus 1-3 days in FP.
Intervention effect Total N concentration in surface water in MN and HN was significantly lower than in FP throughout the rice growth period.
Intervention effect Nitrogen leaching loss occurred mainly at tillering stage in FP but was delayed to the tillering-flowering stage in MN and HN.
Observation In all treatments NO3(-)-N loss accounted for 59.7%-64.2% of the total N loss.
Intervention effect HN decreased total N leaching loss by 51.8% compared with FP.

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Local tarom was the most cold-sensitive variety, with 29% yield decrease.

Taxon: riceOryza sativat0
Material: local tarom varietye0
Outcome: yield decreasee0
Direction: moste0
Value: 29%e0

Verbatim

e0
“the most sensitive one with most percentage of yield decrease (29%) was local tarom variety.”
✓ located verbatim in the source · abstract, characters 1547–1639

t0
“Rice Cultivars”
✓ located verbatim in the source · title, characters 62–76

Title

Temperature Effect on Yield and Yield Components of Different Rice Cultivars in Flowering Stage

R. Ghadirnezhad; A. Fallah International Journal of Agronomy 2014. doi:10.1155/2014/846707

Other claims from this paper (5)

Intervention effect Low temperature significantly affected panicle number.
Intervention effect Low temperature significantly affected panicle length.
Intervention effect Low temperature significantly affected numbers of full, empty and total grains.
Intervention effect Low temperature significantly reduced rice yield.
Observation Shirudi was the most cold-tolerant variety, with 19% yield decrease.

Associationobservedoriginal resultnegativesimulated

Claim · model-written summary

Yield decrease was associated with shorter growth duration together with increasing temperature.

Taxon: riceOryza sativae0
Treatment: increasing temperaturee7
Outcome: Decrease in yielde7
Direction: Decreasee7
Qualifier: lowering growth duratione7

Verbatim

e0
“impact of climate change on rice production”
✓ located verbatim in the source · abstract, characters 529–572

e7
“Decrease in yield were mainly associated with lowering growth duration along with increasing temperature”
✓ located verbatim in the source · abstract, characters 2152–2256

Title

Modeling the sensitivity of CERES-Rice model: An experience of Nepal

A Lamsal; LP Amgai; A Giri Agronomy Journal of Nepal 2013. doi:10.3126/ajn.v3i0.8982

Other claims from this paper (15)

Method / resource The CSM-CERES-Rice model had an RMSE of 747.35 kg/ha for grain yield.
Method / resource The CSM-CERES-Rice model had a D-stat of 0.793 for grain yield.
Method / resource The CSM-CERES-Rice model had an RMSE of 1.106 days for anthesis.
Method / resource The CSM-CERES-Rice model had an RMSE of 2.58 days for maturity.
Method / resource The CSM-CERES-Rice model had a D-stat of 0.99 for anthesis and maturity.
Method / resource The CSM-CERES-Rice model had an RMSE of 0.004 kg/ha for individual grain weight.
Method / resource The CSM-CERES-Rice model had a D-stat of 0.633 for individual grain weight.
Intervention effect Under decreasing climatic scenarios, simulated Prithivi yield increased by 62%.
Intervention effect Under decreasing climatic scenarios, simulated Masuli yield increased by 41%.
Intervention effect Under decreasing climatic scenarios, simulated Sunaulo Sugandha yield increased by 42%.
Intervention effect Under increasing climate change scenarios, simulated Prithivi yield declined by 80%.
Intervention effect Under increasing climate change scenarios, simulated Masuli yield declined by 46%.
Intervention effect Under increasing climate change scenarios, simulated Sunaulo Sugandha yield declined by 40%.
Association Temperature was the most sensitive factor for simulated rice yield potential compared with other factors.
Association Hybrid rice showed more vulnerability to climate change than the other cultivars.

Observationobservedoriginal resultnegativesimulated

Claim · model-written summary

The UKMO scenario was unfavourable and showed a considerable yield decrease.

Taxon: riceOryza sativae1
Outcome: yielde0
Direction: decreasee0
Qualifier: UKMO scenarioe0

Verbatim

e0
“the UKMO scenario is not favorable, showing a considerable yield decrease”
✓ located verbatim in the source · abstract, characters 836–909

e1
“rice, maize and wheat production in Japan”
✓ located verbatim in the source · abstract, characters 83–124

Title

The Impacts of Climatic Warming on Cereal Crop Production in Japan.

Hiroshi SEINO Journal of Agricultural Meteorology 1995. doi:10.2480/agrmet.51.131

Other claims from this paper (11)

Intervention effect Higher temperature decreased simulated cereal yields in many regions under current management.
Intervention effect Higher temperature shortened simulated cereal growing seasons in many regions.
Intervention effect Direct CO2 benefits may compensate for yield losses in central and northern Japan.
Intervention effect Direct CO2 benefits did not compensate for yield losses in Kyushu.
Association Simulated crop-yield changes varied greatly among GCM scenarios.
Observation The GISS scenario was generally favourable for Japanese crop production.
Observation Wheat production was vulnerable under every GCM climate-change scenario.
Intervention effect Earlier planting raised simulated yields under climate change in most cases.
Intervention effect Earlier planting did not improve simulated yields in Kyushu because of high temperature stress.
Recommendation Early planting and irrigation were proposed as adaptation strategies.
Recommendation New cultivars better adapted to climate change would be required in Kyushu.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Salt stress caused a linear decrease in paddy yield.

Taxon: RiceOryza sativat0
Treatment: Salt stresse0
Outcome: paddy yielde0
Direction: decreasee0

Not reportedComparator

Verbatim

t0
“Rice (Oryza sativa L.) Cultivars”
✓ located verbatim in the source · title, characters 78–110

e0
“Salt stress induced a linear decrease in biological and paddy yield and total plant biomass”
✓ located verbatim in the source · abstract, characters 597–688

Title

Consequence of Salinity on Biological Yield, Grain Yield and Harvest Index in Rice (Oryza sativa L.) Cultivars

Yogesh Mishra; D. K. Dwivedi; Pramila Pandey Environment and Ecology 2014

Other claims from this paper (14)

Intervention effect Salinity did not affect tiller number in rice.
Intervention effect Salinity significantly affected flag leaf area during grain filling.
Association Grain yield per plant had a highly significant positive genotypic correlation with biological yield.
Association Grain yield per plant had a highly significant positive genotypic correlation with harvest index.
Association Grain yield per plant had a highly significant positive phenotypic correlation with harvest index.
Association Grain yield per plant had a highly significant positive phenotypic correlation with biological yield.
Intervention effect Salt stress caused a linear decrease in biological yield.
Intervention effect Salt stress caused a linear decrease in total plant biomass.
Association Harvest index followed a second degree equation under salt stress.
Association Harvest index had the highest positive direct phenotypic effect on grain yield per plant.
Association Grains per panicle had the highest positive direct genotypic effect on grain yield per plant.
Observation Rice showed moderate resistance to salinity.
Observation Rice showed a great degree of genotypic variation for salinity response.
Recommendation The authors consider development of varieties with enhanced salt tolerance possible with appropriate strategies and advanced techniques.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

August 10 transplanting caused a drastic decrease in rice yield.

Taxon: RiceOryza sativat0
Treatment: transplanting on August 10e1
Outcome: rice yielde0
Direction: drastic decreasee0

Not reportedComparator

Verbatim

e0
“causing drastic decrease of rice yield”
✓ located verbatim in the source · abstract, characters 1948–1986

e1
“transplanting on August 10”
✓ located verbatim in the source · abstract, characters 1834–1860

t0
“Rice”
✓ located verbatim in the source · title, characters 91–95

Title

Effects of Pot Raising Seedling in Extremely Late Seasonal Cultivation for the Increase of Rice Production

Bon-Il Ku; Min-Kyu Choi; Shin-Ku Kang; et al. Korean Journal of Crop Science 2012. doi:10.7740/kjcs.2012.57.4.441

Other claims from this paper (10)

Observation Geumobyeo 1 showed little decline in emerged leaves and no premature heading under late transplanting.
Observation Manjongbyeo showed little decline in emerged leaves and no premature heading under late transplanting.
Observation Rice ripening remained relatively good for transplanting through August 5.
Observation July 30 transplanting yielded 853 degrees C accumulated temperature before first frost and adequate ripening.
Intervention effect August 10 transplanting delayed rice heading under low temperature.
Intervention effect August 10 transplanting produced very poor ripening under accumulated temperature below 800 degrees C.
Intervention effect Transplanting pot-raised seedlings increased rice yield.
Observation The pot-seedling yield effect was greater for Geumobyeo 1.
Observation Short growth duration left insufficient panicles to secure rice yield.
Recommendation The authors recommend late-season rice cultivars with suitable growth duration and good low-temperature ripening.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Salt stress caused a linear decrease in biological yield.

Taxon: RiceOryza sativat0
Treatment: Salt stresse0
Outcome: biologicale0
Direction: decreasee0

Not reportedComparator

Verbatim

t0
“Rice (Oryza sativa L.) Cultivars”
✓ located verbatim in the source · title, characters 78–110

e0
“Salt stress induced a linear decrease in biological and paddy yield and total plant biomass”
✓ located verbatim in the source · abstract, characters 597–688

Title

Consequence of Salinity on Biological Yield, Grain Yield and Harvest Index in Rice (Oryza sativa L.) Cultivars

Yogesh Mishra; D. K. Dwivedi; Pramila Pandey Environment and Ecology 2014

Other claims from this paper (14)

Intervention effect Salinity did not affect tiller number in rice.
Intervention effect Salinity significantly affected flag leaf area during grain filling.
Association Grain yield per plant had a highly significant positive genotypic correlation with biological yield.
Association Grain yield per plant had a highly significant positive genotypic correlation with harvest index.
Association Grain yield per plant had a highly significant positive phenotypic correlation with harvest index.
Association Grain yield per plant had a highly significant positive phenotypic correlation with biological yield.
Intervention effect Salt stress caused a linear decrease in paddy yield.
Intervention effect Salt stress caused a linear decrease in total plant biomass.
Association Harvest index followed a second degree equation under salt stress.
Association Harvest index had the highest positive direct phenotypic effect on grain yield per plant.
Association Grains per panicle had the highest positive direct genotypic effect on grain yield per plant.
Observation Rice showed moderate resistance to salinity.
Observation Rice showed a great degree of genotypic variation for salinity response.
Recommendation The authors consider development of varieties with enhanced salt tolerance possible with appropriate strategies and advanced techniques.

Associationobservedoriginal resultnegativeprojected

Claim · model-written summary

Minimum temperature may decrease rice yield by 1.5% to 1.8% / ha.

Taxon: riceOryza sativae0
Treatment: Minimum temperaturee0
Outcome: yield of ricee0
Direction: decreasee0
Value: 1.5% to 1.8% / hae0

Verbatim

e0
“Minimum temperature may decrease the yield of rice by 1.5% to 1.8% / ha”
✓ located verbatim in the source · abstract, characters 217–288

Title

Impact assessment of climate change on rice yield using simulation model

Ashish Kumar Singh; AK Singh; AN Mishra Journal of Pharmacognosy and Phytochemistry 2017

Other claims from this paper (10)

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Grain yield decrease correlated with high stem diameter and infestation.

Taxon: riceOryza sativat0
Organ / stage: stem diametere0
Interactor: Chilo suppressalis WalkerChilo suppressalise1pest
Outcome: grain yielde0
Direction: decreasee0

Verbatim

e0
“the decrease of grain yield was correlated with high stem diameter, high infestation”
✓ located verbatim in the source · abstract, characters 848–932

e1
“striped stem borer (Chilo suppressalis Walker)”
✓ located verbatim in the source · abstract, characters 4–50

t0
“rice”
✓ located verbatim in the source · title, characters 50–54

Title

Evaluation of resistance to striped stem borer in rice.

Seydeh Zahra Hosseini; Nadali Babaeian-Jelodar; Nadali Bagheri 2010

Other claims from this paper (6)

Observation Rice lines varied in height, tiller number, leaf dimensions and stem diameter.
Association Infestation percentage significantly correlated with leaf width and stem diameter.
Association White head significantly correlated with plant height, stem diameter and infestation percentage.
Observation Four named rice lines had under 10% infestation and 0% white head.
Observation The four resistant rice lines had 0% white head.
Recommendation The authors suggest these rice lines as resistance sources for breeding in Iran.

“yield decrease”

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