Search claims · PlantClaims

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Mean infection-related leaf area decrease was 4%.

Outcome: leaf areae0
Direction: decreasee0
Value: 4%e0

Not reportedTaxon

Verbatim

e0
“mean decrease in leaf area was only 4%”
✓ located verbatim in the source · abstract, characters 965–1003

Title

AN ANALYSIS OF THE EFFECTS OF INFECTION WITH LEAF‐ROLL VIRUS ON THE GROWTH AND YIELD OF POTATO PLANTS, AND OF ITS INTERACTIONS WITH NUTRIENT SUPPLY AND SHADING

D. J. WATSON; J. H. WILSON Annals of Applied Biology 1956. doi:10.1111/j.1744-7348.1956.tb02134.x

Other claims from this paper (19)

Intervention effect Virus infection decreased total dry weight mainly through tuber dry weight loss.
Intervention effect Infection increased leaf and stem dry weight.
Intervention effect Infection slightly decreased root and stolon dry weight.
Intervention effect Nitrogenous fertilizer reduced virus-related tuber dry weight loss.
Intervention effect Phosphorus and potassium did not affect virus-related tuber loss.
Intervention effect Infection decreased net assimilation rate through early July.
Observation Infected plants had higher later net assimilation rate.
Intervention effect Infection decreased leaf area until early July.
Intervention effect Infection delayed leaf senescence and increased late leaf area.
Observation Mean infection-related net assimilation rate decrease was about 20%.
Mechanism Older rolled leaves had diminished photosynthetic efficiency underlying lower net assimilation.
Observation Nutrient effects on net assimilation and interactions with infection were small and rarely significant.
Intervention effect Nitrogenous fertilizer increased leaf area throughout growth.
Intervention effect Phosphorus increased early leaf area.
Intervention effect Phosphorus hastened senescence and decreased August leaf area.
Intervention effect Potassium increased leaf area particularly later in growth.
Observation Infected plants had more leaves than healthy plants beyond early growth.
Intervention effect Shading decreased net assimilation rate and increased leaf area without affecting yield.
Observation Virus-related yield loss was smaller in Up-to-Date than Craig’s Defiance.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

A 1% rise in seasonal pest-related queries was associated with a 0.028 t ha decrease in paddy yield, or 1.1% of the mean.

Taxon: paddye0
Interactor: peste0pest
Outcome: paddy yieldse0
Direction: decreasese0
Value: 0.028 t hae0
Qualifier: a decrease of 1.1% of average paddy yieldse0

Verbatim

e0
“an increase in seasonal pest attacks—proxied by a 1% increase in seasonal pest‐related queries from districts—decreases paddy yields by 0.028 t ha (i.e., a decrease of 1.1% of average paddy yields).”
✓ located verbatim in the source · abstract, characters 841–1039

Title

Access to Digital Extension Services and Crop Yield: Evidence From Paddy Cultivation in India

Chanchal Pramanik Agricultural Economics 2026. doi:10.1111/agec.70099

Other claims from this paper (3)

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Each g m−2 increase in weed dry weight corresponded to a 15 kg ha−1 decrease in rice grain yield.

Taxon: riceOryza sativae0
Interactor: weede0weed
Outcome: grain yielde0
Direction: falle0
Value: 15 kg ha−1e0

Verbatim

e0
“Every g m−2 increase in weed dry weight would result in 15 kg ha−1 fall in the grain yield of rice.”
✓ located verbatim in the source · abstract, characters 999–1098

Title

Bioefficacy of Bispyricbac-sodium for Weed Control in Direct Seeded Rice

Suresh Kumar; SS Rana Pesticide Research Journal 2013

Other claims from this paper (15)

Intervention effect Bispyribac 30 g ha−1 and specified alternatives significantly lowered Echinochloa colona count.
Intervention effect Bispyribac controlled Digitaria sanguinalis.
Intervention effect Cyhalofop-butyl followed by 2,4-D significantly lowered Panicum dichotomiflorum count.
Intervention effect Bispyribac and butachlor combinations reduced Commelina banghalensis and Cyperus iria counts.
Intervention effect All treatments reduced Ageratum conyzoides count similarly.
Intervention effect Season-long weed growth reduced grain yield by 48.2%.
Intervention effect Bispyribac at 30 g ha−1 raised grain yield 7.9% over farmer practice.
Association Rice grain yield correlated positively with height, panicle length, spikelets per panicle and effective tillers.
Association Rice grain yield correlated negatively with weed count and biomass.
Intervention effect Bispyribac at 30 kg ha−1 produced the highest net returns.
Intervention effect Cyhalofop butyl followed by metsulfuron methyl gave the highest profit per rupee invested.
Intervention effect Bispyribac 30 g ha−1 produced the highest weed control efficiency of 85.7%.
Intervention effect Bispyribac 30 g ha−1 produced highest crop resistance and herbicide efficiency indices.
Intervention effect Bispyribac 30 g ha−1 had the lowest weed index.
Observation Farmer practice had the lowest weed management index, followed by cyhalofop and bispyribac.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Weeds reduced maize yield 3.0 fold at 50 cm spacing.

Taxon: cornZea mays subsp. mayst0
Interactor: weedse0weed
Outcome: maize yielde0
Direction: decreasee0
Value: 3.0-folde0
Setting: 50 cm spacinge0

Verbatim

e0
“weeds on the crop led to a 2.7-fold decrease in maize yield at 70 cm row spacing and a 3.0-fold decrease at 50 cm spacing”
✓ located verbatim in the source · abstract, characters 1646–1767

t0
“corn”
✓ located verbatim in the source · title, characters 40–44

Title

Competitive relations between weeds and corn in the process of common vegetation

V. Sergienko; O. Tyshchuk; G. Tkalenko; et al. Karantin i zahist roslin 2025. doi:10.36495/2312-0614.2025.3.24-34

Other claims from this paper (19)

Observation At +10°C weed seeds germinated worse than maize seeds.
Observation Insufficient soil moisture reduced weed growth and development.
Association Insufficient soil moisture increased weed sensitivity to herbicide.
Intervention effect Weeds dried out one month after herbicide application under low soil moisture.
Observation Maize showed edificatory properties up to the two leaf phase.
Observation Setaria glauca numbered 121.0 plants/m² at 70 cm row spacing.
Observation Echinochloa crus-galli numbered 17.5 plants/m².
Observation Barbarea vulgaris numbered 8.5 plants/m².
Observation Ambrosia artemisiifolia numbered 13.5 plants/m².
Observation Portulaca oleracea numbered 16 plants/m².
Observation Other weed species ranged from 0.5 to 4.5 plants/m².
Association Dominant weeds were less numerous with 50 cm row spacing.
Association Row spacing affected height, leaf area and biomass.
Association Weed infestation reduced soil moisture by 9.4% at the beginning of the growing season.
Association Weed infestation reduced soil moisture by 38.5% midseason.
Association Weed infestation reduced soil moisture by 5.2% at season end.
Association Weeds reduced maize yield 2.7 fold at 70 cm spacing.
Observation Maize competitiveness index averaged 62.3% at 70 cm spacing.
Observation Maize competitiveness index averaged 66.7% at 50 cm spacing.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Greater rust severity corresponded to marked garlic yield decreases.

Taxon: garlicAllium sativume0
Treatment: rust severitiese0
Outcome: yieldse0
Direction: decreasee0

Verbatim

e0
“Increase of rust severities resulted in remarkable decrease in yields of garlic”
✓ located verbatim in the source · abstract, characters 1073–1152

Title

Occurrence of Garlic Rust in Southern Regions of Korea

Dong-Hyun Lee; Jae-Seoun Hur; Young-Jin Koh Research in Plant Disease 2003. doi:10.5423/rpd.2003.9.3.121

Other claims from this paper (6)

Observation Garlic rust severity ranged from 1.2 to 85.8 across years and cultivars.
Observation Garlic rust severity was higher in 1998 than in 1999.
Mechanism Authors attributed greater 1998 rust severity to frequent rain and humidity.
Observation Rust was severe on Daeseo and low on Namdo.
Observation Cultivars differed substantially in susceptibility or resistance to rust.
Mechanism The authors considered rust capable of serious damage to garlic cultivation.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Disease reduced structural yield indicators of winter wheat varieties.

Taxon: wheatTriticum aestivumt0
Outcome: these indicatorse0
Direction: decreasee0

Not reportedInteractor

Verbatim

e0
“a decrease in these indicators was found under the influence of the disease”
✓ located verbatim in the source · abstract, characters 1752–1827

t0
“wheat varieties”
✓ located verbatim in the source · title, characters 22–37

Title

Assessing Kazakhstani wheat varieties by yield indicators and resistance to rust

T. Sekerova; Zh. Tileubayeva; A. Ydyrys; et al. International Journal of Biology and Chemistry 2021. doi:10.26577/ijbch.2021.v14.i1.06

Other claims from this paper (2)

Observation Almaly, Arap, Zhakut and Naz had field tolerance scores of 3–4 points.
Observation Samar and Zhalyn had field tolerance scores of 2 points.

Associationauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

Sucking pest damage decreases grape yield and quality.

Taxon: grapese0
Interactor: sucking pestse0pest
Outcome: yield and quality of grapese0
Direction: decreasee0

Verbatim

e0
“damage by sucking pests leads to a decrease in the yield and quality of grapes.”
✓ located verbatim in the source · abstract, characters 425–504

Title

PREVALENCE OF SUCKING PESTS IN CONDITIONS OF DON REGION

M.I. Murzina Russian vine 2023. doi:10.32904/2712-8245-2023-26-88-91

Other claims from this paper (8)

Observation Sucking pests moved to grapevine plants during the past decade.
Association June dryness and July heat were unfavorable for cicada prevalence.
Intervention effect Kinfos was effective against sucking pests in Rostov vineyards.
Recommendation The authors recommend systematic pest-prevalence monitoring for protective decisions.
Recommendation The authors advise accounting for winter and growing-season weather to predict harmful organisms.
Observation Roseate cicada developed three generations in 2022.
Observation Humpback buffalo developed one generation in 2022.
Observation Grape thrips developed two generations in 2022.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Asparagus yield began falling at very low nematode infestation.

Taxon: asparagusAsparaguse1
Interactor: P. penetransPratylenchus penetranse0pathogen
Outcome: Yielde0
Direction: decreasee0
Qualifier: very low infestation levelse0

Verbatim

e0
“Yield started to decrease at very low infestation levels of P. penetrans”
✓ located verbatim in the source · abstract, characters 1367–1439

e1
“sowing of asparagus”
✓ located verbatim in the source · abstract, characters 1566–1585

Title

DAMAGE RESEARCH WITH P. PENETRANS IN ASPARAGUS PLANTS.

J Hoek; L P G Molendijk PubMed 2014

Other claims from this paper (6)

Association High Pratylenchus penetrans infestation caused maximum asparagus yield loss of 12%.
Observation That loss can mean a financial loss of 7.000 C per ha.
Method / resource No statistically reliable tolerance limit could be calculated.
Intervention effect Vydate 10 G nearly prevented nematode-caused asparagus yield loss.
Observation Postharvest nematode infestation was much lower than expected for a non-host asparagus crop.
Mechanism The authors suggest asparagus actively controls P. penetrans.

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

The largest decrease in thousand grain mass occurred in dry 2014.

Taxon: wheatTriticum aestivumt0
Outcome: mass of 1000 grainse0
Direction: largest decreasee1
Setting: dry 2014e0

Verbatim

e0
“the mass of 1000 grains – in the dry 2014”
✓ located verbatim in the source · abstract, characters 1198–1239

e1
“The largest decrease”
✓ located verbatim in the source · abstract, characters 1047–1067

t0
“SOFT WINTER WHEAT”
✓ located verbatim in the source · title, characters 30–47

Title

CEPHUS PYGMAEUS INFLUENCE FOR SOFT WINTER WHEAT ELEMENTS YIELD IN THE FOREST SAMARA REGION

Лысиков; Pavel Lysikov Bulletin Samara State Agricultural Academy 2016. doi:10.12737/18331

Other claims from this paper (12)

Observation Sawfly larvae damaged 0.5–1.2% of productive wheat stalks.
Association Sawflies favored more sparse wheat crops.
Observation Sawfly larvae reduced damaged ear stem length by no more than 5.2.
Observation Sawfly larvae reduced grains per ear by 14.4.
Observation Sawfly larvae reduced grain weight in the ear by 14.4.
Observation Sawfly larvae reduced thousand seed weight by 15,2%.
Observation The largest spike length decrease occurred in 2012.
Observation The largest decreases in grains per ear and their weight occurred in wet 2011.
Association Sawfly harm increased toward the bottom of the slope from wet to dry years.
Observation Productivity decreases were smallest in the upper slope.
Observation Adult cephus pygmaeus abundance was similarly low across slopes.
Observation Cephus pygmaeus caused minor wheat grain productivity losses of 3-35 kg/h.

Mechanismauthor interpretationreview summarynegativebasis n/a

Claim · model-written summary

Leaf rust defoliation can decrease photosynthesis.

Taxon: southern highbush blueberriese1
Outcome: photosynthesise0
Direction: decreasee0
Qualifier: defoliatione0

Verbatim

e0
“Severe leaf rust causes defoliation in the fall or early winter, which can decrease floral bud differentiation, photosynthesis, and the next season’s fruit yield”
✓ located verbatim in the source · abstract, characters 151–312

e1
“southern highbush blueberries”
✓ located verbatim in the source · abstract, characters 37–66

Title

Leaf Rust Disease of Southern Highbush Blueberry in Florida

Philip F. Harmon; Christ Mane Belizaire; Douglas A. Phillips EDIS 2025. doi:10.32473/edis-pp385-2025

Other claims from this paper (4)

“yield decrease”

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