Search claims · PlantClaims

Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

The point when the percentage increase peaked and then slowed marked when fruit-bearing percentage was destined.

Taxon: RiceOryza sativat0
Outcome: period in which fruit bearing percentage is destinede0

Not reportedComparatorValue

Verbatim

e0
“the period when the rate of increase in the percentage above mentioned reaches a maximum and thereafter the rate begins to decrease remarkably has been proved to be the period in which fruit bearing percentage is destined”
✓ located verbatim in the source · abstract, characters 2340–2561

t0
“Lowland Rice (Preliminary report)”
✓ located verbatim in the source · title, characters 45–78

Title

Crop-Scientific Studies on Yield-Forecast of Lowland Rice (Preliminary report) : XI. On Forecast of Fruit Bearing Percentage in Rice (1)

Seizo MATSUSHIMA; Takio MANAKA; Nobuyuki KOMATSU Japanese Journal of Crop Science 1954. doi:10.1626/jcs.23.41b

Other claims from this paper (9)

Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Infestation density was positively correlated with the grain responses.

Taxon: riceOryza sativat0
Treatment: infestation densitye0
Outcome: significant positive correlatione0
Direction: positivee0

Verbatim

e0
“The results showed that the four infestations resulted in a significant decrease in 1 000-grain weight(1 000GW) and rate of yield loss(RYL) but an increase in blighted grain rate(BGR), with a significant positive correlation with the infestation density.”
✓ located verbatim in the source · abstract, characters 852–1106

t0
“Rice Grain”
✓ located verbatim in the source · title, characters 0–10

Title

Rice Grain Damage by Combination and Sequence Infestations by the Rice Leaffolder, Cnaphalocrocis medinalis Guenee （Lepidoptera：Pyralidae）, and the White-Backed Rice Planthopper, Sogatella furcifera Horváth （Hemiptera：Delphacidae）

Jiang; Li-ben; Zhu -; et al. 农业科学学报：英文版 2014

Other claims from this paper (10)

Intervention effect The four pest infestations caused a significant decrease in 1 000-grain weight.
Intervention effect The four pest infestations caused a significant decrease in rate of yield loss.
Intervention effect The four pest infestations caused a significant increase in blighted grain rate.
Intervention effect Combined or sequential infestations had greater influence on 1 000 GW than single pest infestations.
Intervention effect Combined or sequential infestations had greater influence on BGR than single pest infestations.
Intervention effect Combined or sequential infestations had greater influence on RYL than single pest infestations.
Observation Combined and sequential effects were below the additive effect of the two pests.
Intervention effect At equal infestation pressure, 1 000 GW did not differ significantly between pest sequences or sequence and complex infestation.
Intervention effect At equal infestation pressure, BGR did not differ significantly between pest sequences or sequence and complex infestation.
Intervention effect At equal infestation pressure, RYL did not differ significantly between pest sequences or sequence and complex infestation.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Foliar compounds increased various agro physiological parameters by 9.7–37.9%.

Taxon: riceOryza sativat0
Treatment: Foliar application of different compoundse0
Outcome: various parameterse0
Direction: increasee0
Value: 9.7–37.9%e0
Comparator: untreated treatmente0

Verbatim

e0
“Foliar application of different compounds resulted in a 9.7–37.9% increase in various parameters and a 34.6–43.2% decrease in the number of unfilled grains (NUFG) per panicle compared to untreated treatment.”
✓ located verbatim in the source · abstract, characters 1197–1404

t0
“rice”
✓ located after whitespace/quote normalisation · title, characters 54–58

Title

Enhancing the Photosynthetic and Yield Performance of Rice in Saline Soil by Foliar-Applying Cost-Effective Compounds as Sources of Carbon Dioxide and Potassium

Bassiouni A. Zayed; Salah El-Hendawy; Yuncai Hu; et al. Agronomy 2024. doi:10.3390/agronomy14122850

Other claims from this paper (18)

Association genotype significantly influenced most agro physiological parameters.
Association application time significantly influenced most agro physiological parameters.
Association compounds significantly influenced most agro physiological parameters.
Association potential two-way interactions significantly influenced most agro physiological parameters.
Observation Giza 179 had higher pigment contents than Giza 178.
Observation Giza 179 had higher photosynthetic capacity than Giza 178.
Observation Giza 179 had higher relative water content (RWC) than Giza 178.
Observation Giza 179 had higher grain yield than Giza 178.
Observation Giza 179 had higher most yield components than Giza 178.
Intervention effect Foliar compounds reduced unfilled grains per panicle by 34.6–43.2%.
Intervention effect Application before heading changed various parameters by 4.8–16.1% versus after heading.
Intervention effect Application before heading changed NUFG per panicle by 22.9% versus after heading.
Observation Liv before heading was the most effective treatment for various parameters.
Observation Liv before heading was the most effective treatment for NUFG.
Observation Eth before heading was next most effective for Giza 179.
Observation KC before heading was next most effective for Giza 179.
Intervention effect Eth after heading moderately improved most parameters in Giza 179 more than in Giza 178.
Intervention effect KC after heading moderately improved most parameters in Giza 179 more than in Giza 178.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Under elevated CO2, rice reproductive tillers increased by 22.1% relative to ambient CO2.

Taxon: riceOryza sativae0
Treatment: elevated CO2e1
Outcome: reproductive tillerse0
Direction: moree0
Value: 22.1%e0
Comparator: ambient CO2e0

Verbatim

e0
“rice plants had more vegetative tillers (18%) and reproductive tillers (22.1%), but there was a decrease in 1000-seed weight (11.2%), seed number per panicle (3.91%), and grain yield (18.8%) in comparison to ambient CO2 grown rice plants”
✓ located verbatim in the source · abstract, characters 359–596

e1
“Under elevated CO2”
✓ located verbatim in the source · abstract, characters 339–357

Title

EVALUATION OF THE EFFECT OF ELEVATED CO2 ON BIOEFFICACY OF BUPROFEZIN INSECTICIDE AGAINST BROWN PLANT HOPPER, Nilaparvata lugens (STÅL)

Srinivasa N; Subhash Chander; Padala Vinod Kumar Journal of Experimental Biology and Agricultural Sciences 2021. doi:10.18006/2021.9(1).5.11

Other claims from this paper (11)

Intervention effect Under elevated CO2, rice vegetative tillers increased by 18% relative to ambient CO2.
Intervention effect Under elevated CO2, rice 1000-seed weight decreased by 11.2% relative to ambient CO2.
Intervention effect Under elevated CO2, rice seed number per panicle decreased by 3.91% relative to ambient CO2.
Intervention effect Under elevated CO2, rice grain yield decreased by 18.8% relative to ambient CO2.
Intervention effect 700 l/ha spray gave higher BPH mortality at ambient than elevated CO2.
Intervention effect 600 l/ha spray gave higher BPH mortality at ambient than elevated CO2.
Intervention effect 500 l/ha spray gave higher BPH mortality at ambient than elevated CO2.
Intervention effect 400 l/ha spray gave higher BPH mortality at ambient than elevated CO2.
Observation BPH population was higher in 2017 than in 2018.
Mechanism Higher canopy size under elevated CO2 could explain lower efficacy of 500 l/ha spray against BPH.
Recommendation The authors recommend revising spray volumes for effective BPH management under climate change.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Salt and heat reduced activities of three nitrogen metabolism enzymes.

Taxon: RiceOryza sativat0
Treatment: salt + heat stresse1
Outcome: N-metabolism enzymese0
Direction: decreasee2

Not reportedComparator

Verbatim

e0
“N-metabolism enzymes (nitrate reductase, glutamine synthetase, and glutamate synthase), leading to 34.3% and 18.6% lower stem-sheath non-structural carbohydrate accumulation”
✓ located verbatim in the source · abstract, characters 1370–1543

t0
“Rice”
✓ located verbatim in the source · title, characters 140–144

e1
“salt + heat stress upregulated antioxidant defense-related genes, i.e., OsAPX2, OsSODCC1, and OsAPX1”
✓ located verbatim in the source · abstract, characters 918–1018

e2
“total N accumulation decreased by 42.9%, as compared with CK”
✓ located verbatim in the source · abstract, characters 1607–1667

Title

Combined Salt and Heat Stress Aggravates Oxidative Stress and Photosynthetic Damage, Disrupting Carbon and Nitrogen Metabolism and Yield in Rice

Lin Li; Jie Xu; Jinqi Liu; et al. Antioxidants 2026. doi:10.3390/antiox15030308

Other claims from this paper (14)

Intervention effect Combined stress raised H2O2 content to 1.3 times CK.
Intervention effect Combined stress raised O2− content to 1.5 times CK.
Intervention effect Combined stress increased SOD activity by 64.6%.
Intervention effect Combined stress increased POD activity by 69.5%.
Intervention effect Combined stress increased CAT activity by 74.8%.
Intervention effect Salt and heat upregulated OsAPX2, OsSODCC1 and OsAPX1.
Intervention effect Salt and heat downregulated four ion homeostasis genes.
Intervention effect Salt and heat downregulated three photosynthesis genes.
Intervention effect Salt and heat reduced activities of three carbon metabolism enzymes.
Intervention effect Stem-sheath nonstructural carbohydrate accumulation was 34.3% lower.
Intervention effect Stem-sheath carbohydrate translocation rate was 18.6% lower.
Intervention effect Total nitrogen accumulation decreased 42.9%.
Intervention effect Combined stress inhibited panicle development.
Intervention effect Combined stress reduced rice yield.

Mechanismhypothesisoriginal resultnegativemeasured

Claim · model-written summary

The authors suggest that root injuries retard potassium and silica absorption, contributing to disease outbreaks.

Taxon: riceOryza sativat0
Organ / stage: rootse0
Compound: potassium and silicae0
Outcome: outbreak of sesame spot disease and stem rote0
Qualifier: retardation of absorption of nutritive elementse0
Setting: ill-drained paddy fieldse0

Verbatim

e0
“The remarkable outbreak of sesame spot disease and stem rot in ill-drained paddy fields might be attributable to the retardation of absorption of nutritive elements, especially of potassium and silica, caused by injuries in roots.”
✓ located verbatim in the source · abstract, characters 737–967

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

Title

On the Mechanism of decrease of rice yield in ill-drained paddy field

Mitsuo KIDO; Takeyasu MUSHA; Yoshio ICHIKAWA Japanese Journal of Crop Science 1954. doi:10.1626/jcs.22.3-4_51

Other claims from this paper (4)

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Combined tillage increased grain yield to 6.95 t/ha.

Taxon: riceOryza sativat0
Treatment: winter plowing to a depth of 0.25–0.27 m in combination with spring deep loosening to a depth of 0.40 me0
Outcome: yielde0
Direction: increasee0
Value: 6.95 t/hae0
Comparator: traditional winter plowing in one stepe0

Verbatim

t0
“rice cultivation”
✓ located verbatim in the source · title, characters 118–134

e0
“winter plowing to a depth of 0.25–0.27 m in combination with spring deep loosening to a depth of 0.40 m, in comparison with traditional winter plowing in one step, provides a decrease in soil density in a layer of 0.0–0.4 m by 0.10 (after sowing) and 0.12 t/cubic m (during the period of full ripeness of grain), which contributes to the yield increase to 6.95 t/ha”
✓ located verbatim in the source · abstract, characters 1402–1767

Title

The effect of agro-reclamation techniques on water-physical characteristics of light chestnut heavy loamy soil during rice cultivation against the background of sprinkling under the conditions of the Lower Volga region

Ivan P. Kruzhilin; Muslim A. Ganiev; Konstantin A. Rodin; et al. Land Reclamation and Hydraulic Engineering 2024. doi:10.31774/2712-9357-2024-14-1-155-166

Other claims from this paper (10)

Observation Post-sowing soil density ranged from 1.19 to 1.41 t/cubic m.
Observation A2B3 had the minimum reported soil density of 1.23 t/cubic m.
Observation A1B1 had maximum soil compaction of 1.34 t/cubic m.
Observation Soil compacted in every tillage option by grain maturity.
Intervention effect Winter plowing plus spring deep loosening had minimum maturity-stage compaction of 1.34 t/cubic m.
Observation A2B3 gave the minimum water consumption coefficient, 851.7 cubic m/t.
Observation A2B3 gave minimum irrigation water loss, 703.6 cubic m/t.
Intervention effect Combined winter plowing and spring deep loosening lowered post-sowing soil density by 0.10.
Intervention effect Combined tillage lowered maturity-stage soil density by 0.12 t/cubic m.
Intervention effect Combined tillage reduced irrigation water loss by 112.4 cubic m per ton of grain.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

In Shanyou 63, Fv/Fm decreased more under natural conditions, indicating sensitivity to photooxidation.

Taxon: riceOryza sativae1
Material: Shanyou 63e2
Outcome: F v/F me2
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)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Omission of P decreased rice grain yield to 42.5 g per pot compared with the all-nutrient treatment.

Taxon: riceOryza sativae1
Treatment: omission of Pe3
Outcome: grain yieldse2
Direction: decreaseinferrede3
Value: 42.5 pot-1e3
Comparator: the treatment receiving all the nutrientse4

Verbatim

e1
“The result revealed that the omission of nutrients N, P and S significantly reduced the plant height, tillers pot-1, effective tillers pot-1, filled grains panicle-1, grain and straw yield of rice and uptake of N, P, K, S, Ca, Mg, Cu, Zn, Mn, Fe and B by rice in comparison to treatment that received all nutrients”
✓ located verbatim in the source · abstract, characters 555–869

e2
“and that of lowest grain yields 34.8 pot-1 were recorded under omission of N”
✓ located verbatim in the source · abstract, characters 970–1046

e3
“followed by omission of P (42.5 pot-1) and S (56.3 pot-1) nutrients”
✓ located verbatim in the source · abstract, characters 1048–1115

e4
“The highest grain yield 66.4 g pot-1 were recorded under the treatment receiving all the nutrients”
✓ located verbatim in the source · abstract, characters 871–969

Title

Assessment of Yield Limiting Nutrients through Response of Rice (Oryza sativa L.) to Nutrient Omission in Inceptisols of Bastar District of Chhattisgarh State in India

Bhupendra Kumar; G.K. Sharma; V.N. Mishra; et al. International Journal of Current Microbiology and Applied Sciences 2018. doi:10.20546/ijcmas.2018.708.410

Other claims from this paper (14)

Intervention effect Omission of N gave the lowest rice grain yield (34.8 g per pot), below the all-nutrient treatment (66.4 g per pot).
Intervention effect Omission of S decreased rice grain yield to 56.3 g per pot compared with the all-nutrient treatment.
Intervention effect Omission of N significantly reduced rice plant height and tiller numbers.
Intervention effect Omission of N significantly reduced rice filled grains per panicle and grain and straw yield.
Intervention effect Omission of N significantly reduced rice uptake of N, P, K, S, Ca, Mg, Cu, Zn, Mn, Fe and B.
Intervention effect Omission of P significantly reduced rice plant height and tiller numbers.
Intervention effect Omission of P significantly reduced rice filled grains per panicle and grain and straw yield.
Intervention effect Omission of P significantly reduced rice uptake of N, P, K, S, Ca, Mg, Cu, Zn, Mn, Fe and B.
Intervention effect Omission of S significantly reduced rice plant height and tiller numbers.
Intervention effect Omission of S significantly reduced rice filled grains per panicle and grain and straw yield.
Intervention effect Omission of S significantly reduced rice uptake of N, P, K, S, Ca, Mg, Cu, Zn, Mn, Fe and B.
Observation N, P and S were identified as the yield-limiting nutrients for rice in the kharif season.
Intervention effect SSNM dose gave higher wheat grain yield than the farmer practice dose.
Intervention effect SSNM dose increased wheat grain yield by about 13.3% over the farmer practice dose.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Tillers number, panicles number and panicle length of rice were highest in the control treatment, compared with arsenic-amended irrigation water.

Taxon: riceOryza sativae1
Treatment: arsenic (As) concentration in irrigation watere1
Outcome: tillers number, panicles number, panicle lengthe1
Direction: higheste1
Comparator: control treatmente1

Verbatim

e1
“The tillers number, panicle length and grain yield of BR-11 rice were found to decrease significantly (p?0.05) with increase of arsenic (As) concentration in irrigation water. The highest values of plant height and straw yield was observed in 0.5 mgL-1 treatment, whereas highest tillers number, panicles number, panicle length and grain yield were found in control treatment. The lowest values of these parameters were …” Show full quote
✓ located verbatim in the source · abstract, characters 557–1062

Title

Effect of Arsenic Amended Irrigation Water on Growth and Yield of BR-11 Rice (Oryza sativa L.) Grown in Open Field Gangetic Soil Condition in Rajshahi

MAK Azad; AHMFK Mondal; MI Hossain; et al. Journal of Environmental Science and Natural Resources 2012. doi:10.3329/jesnr.v5i1.11553

Other claims from this paper (4)

“yield decrease”

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