Search claims · PlantClaims

Associationauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

Excessive flowers or high initial fruit load were expected to decrease fruit weight and yield that year.

Taxon: Satsuma MandarinCitrus unshiut0
Treatment: high FLI just before fruit thinninge0
Outcome: average fruit weight and fruit yielde0
Direction: decreasee0
Qualifier: likelye0

Verbatim

e0
“If trees have excessive flowers or have a high FLI just before fruit thinning in a certain year, this is likely to decrease average fruit weight and fruit yield in that year at any FLI after fruit thinning”
✓ located verbatim in the source · abstract, characters 1123–1328

t0
“Satsuma Mandarin”
✓ located verbatim in the source · title, characters 100–116

Title

Influence of Fruit Load Just Before Fruit Thinning on Fruit Size, Yield and Flower Bud Formation in Satsuma Mandarin

Setsuo MORIOKA; Shigeki YAHATA Journal of the Japanese Society for Horticultural Science 1989. doi:10.2503/jjshs.58.97

Other claims from this paper (8)

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Yield decreased in some years because of climatic conditions in the Satsuma Mandarin experiment

Taxon: Satsuma MandarinCitrus unshiue0
Outcome: yielde2
Direction: decreasee2
Qualifier: because of climatic conditionse2

Verbatim

e0
“In 2001, a long term Satsuma Mandarin experiment was set up in Menzilat soil series”
✓ located verbatim in the source · abstract, characters 0–83

e2
“Some years, because of climatic conditions, a decrease in yield was observed”
✓ located verbatim in the source · abstract, characters 617–693

Title

Mycorrhizal species significantly increase citrus yield and nutrient concentration under field conditions

I. Ortas Acta Horticulturae 2018. doi:10.17660/actahortic.2018.1217.22

Other claims from this paper (7)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Phosphate deficiency decreased apparent quantum yield.

Taxon: satsuma mandarinCitrus unshiut0
Treatment: lack of phosphatee0
Outcome: apparent quantum yield (AQY)e0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“under the lack of phosphate, phosphate content, Rubisco activity, rate of RuBP regeneration, apparent quantum yield (AQY), photochemical efficiency of PSⅡ(Fv/Fm)and electron transport rate (ETR) decrease”
✓ located verbatim in the source · abstract, characters 163–366

t0
“satsuma mandarin”
✓ located verbatim in the source · title, characters 70–86

Title

Effects of different phosphorus nutrition levels on photosynthesis in satsuma mandarin (Citrus unshiu Marc.) leaves

Yan Guo Plant Nutrition and Fertilizing Science 2002

Other claims from this paper (16)

Intervention effect Phosphate deficiency decreased leaf phosphate content.
Intervention effect Phosphate deficiency decreased Rubisco activity.
Intervention effect Phosphate deficiency decreased RuBP regeneration rate.
Intervention effect Phosphate deficiency decreased PSII photochemical efficiency.
Intervention effect Phosphate deficiency decreased electron transport rate.
Intervention effect Phosphate deficiency increased the photorespiration to net photosynthesis ratio.
Observation PSII reaction centers were reversibly inactivated under phosphate deficiency.
Intervention effect Chlorophyll content changed insignificantly under phosphate deficiency.
Intervention effect Phosphate resupply rapidly restored Pn, Rubisco activity and RuBP regeneration rate.
Intervention effect Phosphate resupply rapidly restored AQY, PSII efficiency and reaction center activity.
Intervention effect Phosphate resupply rapidly restored electron transport rate.
Intervention effect Phosphate resupply decreased the Pr/Pn ratio.
Intervention effect Surplus phosphate reduced Pn, Rubisco activity and RuBP regeneration rate.
Intervention effect Surplus phosphate increased phosphorus content.
Intervention effect Chlorophyll content, photorespiration, AQY, fluorescence parameters and ETR were approximately stable under surplus phosphate.
Intervention effect Fo, Fv/Fm and ETR were approximately stable under surplus phosphate.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Phosphorus deficiency decreased quantum yield and electron transport rate.

Taxon: Citrus unshiuCitrus unshiut0
Treatment: phosphorus deficiency stresse0
Outcome: Quantum yield(Y), Electron transmit rate(ERT)e0
Direction: decrease remarkablye0

Not reportedComparator

Verbatim

e0
“After being dealt by different degree phosphorus deficiency stress, the Net photosynthetic rate(Pn), Photorespiration rate(Pr), Apparent quantum yield(AQY), Carboxylation efficiency(CE), Maximum fluorescence(Fm), Photochemical efficiency(Fv/Fm),Quantum yield(Y), Electron transmit rate(ERT) of the Citrus unshiu Marc. decrease remarkably”
✓ located verbatim in the source · abstract, characters 0–339

t0
“Citrus unshiu”
✓ located verbatim in the source · title, characters 61–74

Title

Effects of Phosphorus Deficiency Stress on Photosynthesis in Citrus unshiu Marc. Leaves

Ping Chen Yunnan Nongye Daxue xuebao 2003

Other claims from this paper (4)

Intervention effect Phosphorus deficiency markedly decreased eight photosynthetic and fluorescence measures in Citrus leaves.
Intervention effect Phosphorus deficiency decreased carboxylation efficiency, maximum fluorescence, and photochemical efficiency.
Intervention effect Phosphorus deficiency increased Pr/Pn and Fo.
Intervention effect Foliar KH2PO4 nearly restored phosphorus deficiency status to baseline within 24 hours.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Decreased irrigation tended to decrease leaf CO2 assimilation, especially at high deficit levels.

Taxon: Citrus unshiu Marc.Citrus unshiue0
Treatment: Decreased irrigatione1
Outcome: leaf C02 assimilation rate (A)e1
Direction: decreasee1
Qualifier: high deficit irrigation levels (above –70 kPa at 30 cm and –60 kPa at 60 cm soil depth)e1

Not reportedComparator

Verbatim

e0
“‘Mihowase’ satsuma (Citrus unshiu Marc.)”
✓ located verbatim in the source · abstract, characters 33–73

e1
“Decreased irrigation tended to decrease leaf C02 assimilation rate (A), with high deficit irrigation levels (above –70 kPa at 30 cm and –60 kPa at 60 cm soil depth) greatly reducing A.”
✓ located verbatim in the source · abstract, characters 1606–1790

Title

Effect of differing irrigation regimes on fruit quality, yield, fruit size and net CO₂assimilation of ‘Mihowase’ satsuma

Y. H. Peng; E. Rabe The Journal of Horticultural Science and Biotechnology 1998. doi:10.1080/14620316.1998.11510969

Other claims from this paper (7)

Intervention effect Deficit irrigation significantly increased total soluble solids versus normal irrigation.
Intervention effect Irrigation regimes slightly influenced peel colour, titratable acidity and TSS/TA ratio.
Intervention effect Irrigation regimes had no effect on juice content.
Intervention effect Irrigation regimes did not affect the percentage of fruit selectively picked by date.
Association Soil type affected irrigation cycles and intervals, affecting yield and fruit size distribution.
Intervention effect The –100 kPa regime significantly decreased leaf chlorophyll and nitrogen contents versus other regimes.
Recommendation Authors consider specified deficit irrigation viable for commercial increase of total soluble solids.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Phosphorus deficiency markedly decreased eight photosynthetic and fluorescence measures in Citrus leaves.

Taxon: Citrus unshiuCitrus unshiut0
Treatment: phosphorus deficiency stresse0
Outcome: Net photosynthetic rate(Pn), Photorespiration rate(Pr), Apparent quantum yield(AQY)e0
Direction: decrease remarkablye0

Not reportedComparator

Verbatim

e0
“After being dealt by different degree phosphorus deficiency stress, the Net photosynthetic rate(Pn), Photorespiration rate(Pr), Apparent quantum yield(AQY), Carboxylation efficiency(CE), Maximum fluorescence(Fm), Photochemical efficiency(Fv/Fm),Quantum yield(Y), Electron transmit rate(ERT) of the Citrus unshiu Marc. decrease remarkably”
✓ located verbatim in the source · abstract, characters 0–339

t0
“Citrus unshiu”
✓ located verbatim in the source · title, characters 61–74

Title

Effects of Phosphorus Deficiency Stress on Photosynthesis in Citrus unshiu Marc. Leaves

Ping Chen Yunnan Nongye Daxue xuebao 2003

Other claims from this paper (4)

Intervention effect Phosphorus deficiency decreased carboxylation efficiency, maximum fluorescence, and photochemical efficiency.
Intervention effect Phosphorus deficiency decreased quantum yield and electron transport rate.
Intervention effect Phosphorus deficiency increased Pr/Pn and Fo.
Intervention effect Foliar KH2PO4 nearly restored phosphorus deficiency status to baseline within 24 hours.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Phosphate deficiency decreased leaf phosphate content.

Taxon: satsuma mandarinCitrus unshiut0
Treatment: lack of phosphatee0
Outcome: phosphate contente0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“under the lack of phosphate, phosphate content, Rubisco activity, rate of RuBP regeneration, apparent quantum yield (AQY), photochemical efficiency of PSⅡ(Fv/Fm)and electron transport rate (ETR) decrease”
✓ located verbatim in the source · abstract, characters 163–366

t0
“satsuma mandarin”
✓ located verbatim in the source · title, characters 70–86

Title

Effects of different phosphorus nutrition levels on photosynthesis in satsuma mandarin (Citrus unshiu Marc.) leaves

Yan Guo Plant Nutrition and Fertilizing Science 2002

Other claims from this paper (16)

Intervention effect Phosphate deficiency decreased Rubisco activity.
Intervention effect Phosphate deficiency decreased RuBP regeneration rate.
Intervention effect Phosphate deficiency decreased apparent quantum yield.
Intervention effect Phosphate deficiency decreased PSII photochemical efficiency.
Intervention effect Phosphate deficiency decreased electron transport rate.
Intervention effect Phosphate deficiency increased the photorespiration to net photosynthesis ratio.
Observation PSII reaction centers were reversibly inactivated under phosphate deficiency.
Intervention effect Chlorophyll content changed insignificantly under phosphate deficiency.
Intervention effect Phosphate resupply rapidly restored Pn, Rubisco activity and RuBP regeneration rate.
Intervention effect Phosphate resupply rapidly restored AQY, PSII efficiency and reaction center activity.
Intervention effect Phosphate resupply rapidly restored electron transport rate.
Intervention effect Phosphate resupply decreased the Pr/Pn ratio.
Intervention effect Surplus phosphate reduced Pn, Rubisco activity and RuBP regeneration rate.
Intervention effect Surplus phosphate increased phosphorus content.
Intervention effect Chlorophyll content, photorespiration, AQY, fluorescence parameters and ETR were approximately stable under surplus phosphate.
Intervention effect Fo, Fv/Fm and ETR were approximately stable under surplus phosphate.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Phosphate deficiency decreased Rubisco activity.

Taxon: satsuma mandarinCitrus unshiut0
Treatment: lack of phosphatee0
Gene: Rubiscoe0
Outcome: Rubisco activitye0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“under the lack of phosphate, phosphate content, Rubisco activity, rate of RuBP regeneration, apparent quantum yield (AQY), photochemical efficiency of PSⅡ(Fv/Fm)and electron transport rate (ETR) decrease”
✓ located verbatim in the source · abstract, characters 163–366

t0
“satsuma mandarin”
✓ located verbatim in the source · title, characters 70–86

Title

Effects of different phosphorus nutrition levels on photosynthesis in satsuma mandarin (Citrus unshiu Marc.) leaves

Yan Guo Plant Nutrition and Fertilizing Science 2002

Other claims from this paper (16)

Intervention effect Phosphate deficiency decreased leaf phosphate content.
Intervention effect Phosphate deficiency decreased RuBP regeneration rate.
Intervention effect Phosphate deficiency decreased apparent quantum yield.
Intervention effect Phosphate deficiency decreased PSII photochemical efficiency.
Intervention effect Phosphate deficiency decreased electron transport rate.
Intervention effect Phosphate deficiency increased the photorespiration to net photosynthesis ratio.
Observation PSII reaction centers were reversibly inactivated under phosphate deficiency.
Intervention effect Chlorophyll content changed insignificantly under phosphate deficiency.
Intervention effect Phosphate resupply rapidly restored Pn, Rubisco activity and RuBP regeneration rate.
Intervention effect Phosphate resupply rapidly restored AQY, PSII efficiency and reaction center activity.
Intervention effect Phosphate resupply rapidly restored electron transport rate.
Intervention effect Phosphate resupply decreased the Pr/Pn ratio.
Intervention effect Surplus phosphate reduced Pn, Rubisco activity and RuBP regeneration rate.
Intervention effect Surplus phosphate increased phosphorus content.
Intervention effect Chlorophyll content, photorespiration, AQY, fluorescence parameters and ETR were approximately stable under surplus phosphate.
Intervention effect Fo, Fv/Fm and ETR were approximately stable under surplus phosphate.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Phosphate deficiency decreased RuBP regeneration rate.

Taxon: satsuma mandarinCitrus unshiut0
Treatment: lack of phosphatee0
Outcome: rate of RuBP regeneratione0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“under the lack of phosphate, phosphate content, Rubisco activity, rate of RuBP regeneration, apparent quantum yield (AQY), photochemical efficiency of PSⅡ(Fv/Fm)and electron transport rate (ETR) decrease”
✓ located verbatim in the source · abstract, characters 163–366

t0
“satsuma mandarin”
✓ located verbatim in the source · title, characters 70–86

Title

Effects of different phosphorus nutrition levels on photosynthesis in satsuma mandarin (Citrus unshiu Marc.) leaves

Yan Guo Plant Nutrition and Fertilizing Science 2002

Other claims from this paper (16)

Intervention effect Phosphate deficiency decreased leaf phosphate content.
Intervention effect Phosphate deficiency decreased Rubisco activity.
Intervention effect Phosphate deficiency decreased apparent quantum yield.
Intervention effect Phosphate deficiency decreased PSII photochemical efficiency.
Intervention effect Phosphate deficiency decreased electron transport rate.
Intervention effect Phosphate deficiency increased the photorespiration to net photosynthesis ratio.
Observation PSII reaction centers were reversibly inactivated under phosphate deficiency.
Intervention effect Chlorophyll content changed insignificantly under phosphate deficiency.
Intervention effect Phosphate resupply rapidly restored Pn, Rubisco activity and RuBP regeneration rate.
Intervention effect Phosphate resupply rapidly restored AQY, PSII efficiency and reaction center activity.
Intervention effect Phosphate resupply rapidly restored electron transport rate.
Intervention effect Phosphate resupply decreased the Pr/Pn ratio.
Intervention effect Surplus phosphate reduced Pn, Rubisco activity and RuBP regeneration rate.
Intervention effect Surplus phosphate increased phosphorus content.
Intervention effect Chlorophyll content, photorespiration, AQY, fluorescence parameters and ETR were approximately stable under surplus phosphate.
Intervention effect Fo, Fv/Fm and ETR were approximately stable under surplus phosphate.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Phosphate deficiency decreased electron transport rate.

Taxon: satsuma mandarinCitrus unshiut0
Treatment: lack of phosphatee0
Outcome: electron transport rate (ETR)e0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“under the lack of phosphate, phosphate content, Rubisco activity, rate of RuBP regeneration, apparent quantum yield (AQY), photochemical efficiency of PSⅡ(Fv/Fm)and electron transport rate (ETR) decrease”
✓ located verbatim in the source · abstract, characters 163–366

t0
“satsuma mandarin”
✓ located verbatim in the source · title, characters 70–86

Title

Effects of different phosphorus nutrition levels on photosynthesis in satsuma mandarin (Citrus unshiu Marc.) leaves

Yan Guo Plant Nutrition and Fertilizing Science 2002

Other claims from this paper (16)

Intervention effect Phosphate deficiency decreased leaf phosphate content.
Intervention effect Phosphate deficiency decreased Rubisco activity.
Intervention effect Phosphate deficiency decreased RuBP regeneration rate.
Intervention effect Phosphate deficiency decreased apparent quantum yield.
Intervention effect Phosphate deficiency decreased PSII photochemical efficiency.
Intervention effect Phosphate deficiency increased the photorespiration to net photosynthesis ratio.
Observation PSII reaction centers were reversibly inactivated under phosphate deficiency.
Intervention effect Chlorophyll content changed insignificantly under phosphate deficiency.
Intervention effect Phosphate resupply rapidly restored Pn, Rubisco activity and RuBP regeneration rate.
Intervention effect Phosphate resupply rapidly restored AQY, PSII efficiency and reaction center activity.
Intervention effect Phosphate resupply rapidly restored electron transport rate.
Intervention effect Phosphate resupply decreased the Pr/Pn ratio.
Intervention effect Surplus phosphate reduced Pn, Rubisco activity and RuBP regeneration rate.
Intervention effect Surplus phosphate increased phosphorus content.
Intervention effect Chlorophyll content, photorespiration, AQY, fluorescence parameters and ETR were approximately stable under surplus phosphate.
Intervention effect Fo, Fv/Fm and ETR were approximately stable under surplus phosphate.

“yield decrease”

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