Search claims · PlantClaims

Observationobservedoriginal resultmeasured

Claim · model-written summary

Krichauff had the maximum decrease and recovery in quantum yield.

Taxon: wheatTriticum aestivume7
Material: Krichauffe0
Outcome: quantum yielde0
Direction: maximum decrease and recoverye0

Verbatim

e0
“maximum decrease and recovery in quantum yield was observed in Krichauff”
✓ located verbatim in the source · abstract, characters 1582–1654

e7
“wheat (Triticum aestivum)”
✓ located verbatim in the source · abstract, characters 33–58

Title

Screening Wheat Parents Of Mapping Population For Heat And Drought Tolerance, Detection Of Wheat Genetic Variation

H.R. Balouchi http://www.waset.org/journals/waset/v37/v37-178.pdf 2010. doi:10.5281/zenodo.1058454

Other claims from this paper (19)

Intervention effect Water stress decreased dry shoot weight and RWC in wheat varieties.
Intervention effect Water stress increased osmolarity and Fv/Fm except in Krichauff.
Observation Krichauff and Kukri had maximum RWC under drought.
Observation Trident had maximum WUE under water stress.
Observation Trident had osmolarity of 610 mM/Kg under water stress.
Observation Trident had maximum dry matter, quantum yield, and Fv/Fm under water stress.
Observation Quantum yield recovered four to seven days after stress.
Intervention effect Further water stress strongly decreased quantum yield.
Observation Leaf pigment content varied genetically among varieties under heat stress.
Intervention effect Heat stress significantly decreased total chlorophyll content.
Observation Krichauff had maximum anthocyanin content of 2.978 A/g FW.
Observation Krichauff had maximum chlorophyll a+b of 2.001 mg/g FW.
Observation Krichauff had maximum chlorophyll a of 1.502 mg/g FW.
Observation Kukri had maximum chlorophyll b of 0.515 mg/g FW.
Observation Kukri had maximum carotenoid content of 0.234 mg/g FW.
Association Quantum yield significantly decreased as temperature rose from 28 ÔùªC to 36 ÔùªC.
Observation Quantum yield recovered after day eight.
Observation Trident, Krichauff, Kukri and RAC875 were categorized as tolerant or moderately tolerant.
Observation Molineux, Berkut and Excalibur were categorized as sensitive or moderately sensitive.

Mechanismauthor interpretationoriginal resultmeasured

Claim · model-written summary

Longer maturation restricted the decrease in grain yield under stress.

Taxon: wheatTriticum aestivumt0
Outcome: decrease in grain yielde0
Qualifier: under stress conditionse0
Comparator: sensitive cultivare0

Verbatim

e0
“thus restricting heavy decrease in grain yield, under stress conditions, as compared to the sensitive cultivar”
✓ located verbatim in the source · abstract, characters 1485–1595

t0
“Wheat”
✓ located verbatim in the source · title, characters 47–52

Title

Stem Reserve Mobilization and Sink Activity in Wheat under Drought Conditions

Anil K. Gupta; Kamaljit Kaur; Narinder Kaur American Journal of Plant Sciences 2011. doi:10.4236/ajps.2011.21010

Other claims from this paper (9)

Intervention effect Drought significantly reduced internode biomass of the sensitive cultivar relative to the tolerant one.
Observation Mobilized dry matter was higher in tolerant internodes under control and stress.
Observation Mobilization efficiency was higher in tolerant internodes under control and stress.
Observation Stem reserve translocation to grain was enhanced in tolerant plants.
Observation Water soluble carbohydrates were higher in tolerant internodes.
Intervention effect Drought mobilized fructans more effectively from tolerant internodes.
Observation Tolerant grains had significantly higher sucrose synthase activity under drought.
Observation Sensitive grains matured earlier than tolerant grains under control and stress.
Mechanism Longer maturation in tolerant plants supported stem reserve mobilization.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Each additional sandstorm hour during the winter wheat growing season corresponded to a 1.4% yield decrease.

Taxon: winter wheatTriticum aestivume0
Treatment: sandstorme0
Outcome: yielde0
Direction: decreasee0
Value: 1.4%e0

Verbatim

e0
“Each additional hour of sandstorm during the winter wheat growing season corresponds to a 1.4% decrease in yield.”
✓ located verbatim in the source · abstract, characters 615–728

Title

Impacts of Sandstorms on Wheat Yield in Northern China

Jue Du; Lingling Hou; Yuanyuan Zhao; et al. American Journal of Agricultural Economics 2025. doi:10.1111/ajae.12532

Other claims from this paper (5)

Association Sandstorms reduced northern China winter wheat yield by 14.8%.
Association Sandstorms significantly decreased planted areas.
Observation Farmers increased fertilizer investments in response to sandstorms.
Observation Farmers increased labor investments in response to sandstorms.
Recommendation Timely irrigation after sandstorms, especially in drier areas, can mitigate adverse effects on wheat production.

Associationobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Yield decrease was associated with lower grain weight.

Taxon: wheatTriticum aestivumt0
Outcome: grain weighte0
Direction: reductione0
Comparator: Yield decreasee0

Verbatim

e0
“Yield decrease was associated to a significant reduction in the number of grains per spike and in grain weight.”
✓ located verbatim in the source · abstract, characters 314–425

t0
“different wheat varieties”
✓ located verbatim in the source · title, characters 31–56

Title

Effects of Trinexapac-Ethyl on different wheat varieties under desert conditions of Mexico

Raúl Leonel Grijalva-Contreras; Rubén Macías-Duarte; Gerardo Martínez-Díaz; et al. Agricultural Sciences 2012. doi:10.4236/as.2012.35079

Other claims from this paper (6)

Intervention effect TE reduced wheat plant height at any growth stage.
Intervention effect TE decreased wheat grain yield at any growth stage.
Association Yield decrease was associated with fewer grains per spike.
Intervention effect TE delayed flowering time.
Intervention effect TE delayed grain maturity.
Intervention effect TE did not affect stem diameter or spikes per square meter.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Winter wheat yield did not decrease with cover crops.

Taxon: winter wheatTriticum aestivume5
Treatment: with CCe5
Outcome: yielde5
Direction: did not decreasee5

Not reportedComparator

Verbatim

e5
“Cover crops significantly increased vegetable crop yields and decreased the silage corn yield; however, grain corn, soybean, and winter wheat yield did not decrease with CC”
✓ located verbatim in the source · abstract, characters 1013–1185

Title

Do Cover Crops Increase Subsequent Crop Yield in Temperate Climates? A Meta-Analysis

Inderjot Chahal; Laura L. Van Eerd Sustainability 2023. doi:10.3390/su15086517

Other claims from this paper (15)

Intervention effect Legume cover crop species increased subsequent crop yield significantly more than grass, by 14%.
Intervention effect Legume cover crop species increased subsequent crop yield significantly more than nonlegume broadleaves, by 7%.
Intervention effect Legume cover crop species increased subsequent crop yield significantly more than mixtures, by 2%.
Intervention effect Incorporating cover crop residue into soil increased crop yield by about 15% compared with leaving the residue on the soil surface.
Intervention effect Grass cover crops enhanced crop yield by 14% relative to no cover crop in non-organic vegetable systems.
Intervention effect Legume cover crops enhanced crop yield by 19% relative to no cover crop in non-organic vegetable systems.
Intervention effect Legume cover crops increased crop yield by 18% relative to no cover crop in coarse textured soil.
Intervention effect Legume cover crops increased crop yield by 4% relative to no cover crop in medium textured soil.
Intervention effect Legume cover crops increased crop yield by 11% relative to no cover crop under high precipitation.
Intervention effect Cover crops significantly increased vegetable crop yields.
Intervention effect Cover crops decreased silage corn yield.
Intervention effect Grain corn yield did not decrease with cover crops.
Intervention effect Soybean yield did not decrease with cover crops.
Intervention effect Cover crops in no-tillage and plow tillage systems increased crop yield compared with the no-CC control.
Recommendation Crop yield response to cover crops might become more robust when pedo-climatic and agronomic factors are considered.

Intervention effectobservedreview summarynegativeprojected

Claim · model-written summary

Climate change is estimated to decrease wheat yield by 10-14%.

Taxon: wheatTriticum aestivume0
Treatment: CCe0
Outcome: wheat yielde0
Direction: decreasee0
Value: 10-14%e0

Not reportedComparator

Verbatim

e0
“By changing the environmental parameters, it is estimated that CC will lead to a 10-14% decrease in wheat yield.”
✓ located verbatim in the source · abstract, characters 479–591

Title

Effect of Climate Change on Wheat Yield and Water Productivity in Iran and the World

N. Heydari; F. Taran Iranica Journal of Energy and Environment 2024. doi:10.5829/ijee.2025.16.02.08

Other claims from this paper (11)

Intervention effect Climate change has adversely affected wheat yield, especially rain fed wheat in Iran and elsewhere.
Observation Some studies report wheat yield changes greater than the 10-14% estimate.
Mechanism Temperature increase and heat stress are identified as the most important factor in wheat climate impacts.
Intervention effect Climate change can reduce the wheat crop growth period.
Intervention effect Climate change can reduce the planting-to-flowering period.
Intervention effect Climate change can shorten the seed filling period.
Intervention effect Climate change can reduce the flowering-to-maturity and seed production period.
Recommendation Adaptation measures include heat-tolerant, low-water-requirement cultivars, longer-growing cultivars and planting date changes.
Recommendation Adaptation measures include improved on-farm water management, residue management and increased soil organic matter.
Recommendation Wheat adaptation strategies should focus on reducing temperature and heat stress effects, especially at critical growth stages.
Recommendation Climate effects on strategic crops should be mainstreamed and prioritized in national and sub-national research, especially in Iran, to ensure food security.

Mechanismauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

The primary reason for the yield decrease was increased wheat infestation by pathogens.

Taxon: wheatTriticum aestivume3
Interactor: pathogense3pathogen
Outcome: yield decreasee3

Verbatim

e3
“The primary reason for yield decrease in a given growing season was increased wheat infestation by pathogens”
✓ located verbatim in the source · abstract, characters 598–706

Title

Inorganic Fungicides (Phosphites) Instead of Organic Fungicides in Winter Wheat—Consequences for Nitrogen Fertilizer Productivity

Witold Grzebisz; Szymon Łączny; Witold Szczepaniak; et al. Agronomy 2023. doi:10.3390/agronomy13030627

Other claims from this paper (9)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Yield started to decrease considerably in later years without fertilization.

Taxon: winter wheat and summer maizeTriticum aestivum Zea mayse0
Treatment: without fertilizatione2
Outcome: yielde2
Direction: decrease considerablye2

Not reportedComparator

Verbatim

e0
“comprising winter wheat and summer maize as an annual rotation”
✓ located verbatim in the source · abstract, characters 479–541

e2
“The yield did not decrease in the first year without fertilization but started to decrease considerably in later years”
✓ located verbatim in the source · abstract, characters 1046–1164

Title

Long-term legacy impacts of nitrogen fertilization on crop yield, nitrate accumulation, and nitrogen recovery efficiency

Shuang Lei; Sajjad Raza; Annie Irshad; et al. European Journal of Agronomy 2025. doi:10.1016/j.eja.2025.127513

Other claims from this paper (11)

Intervention effect N fertilization increased grain yield compared with the control.
Intervention effect DCD addition caused additional increases in grain yield, mainly at 500 kg N ha-1.
Intervention effect Yield did not decrease in the first year without fertilization.
Intervention effect N fertilization increased grain N uptake by more than 100 % compared with the control in fertilized years and the first unfertilized year.
Intervention effect Grain N uptake decreased strongly in the second year without fertilization.
Intervention effect Cumulative fertilizer N recovery did not differ among N fertilized treatments during fertilized years.
Intervention effect Cumulative fertilizer N recovery increased strongly when N uptake in unfertilized years was incorporated.
Intervention effect Cumulative fertilizer N recovery in N340 + DCD increased from 37 %–44 % in fertilized years to 74 %–80 % in unfertilized years.
Observation A residual nitrate accumulation of 237–489 kg N ha-1 accumulated in the soil profile after two years of fertilization.
Intervention effect Residual N accumulation decreased by 31 %–41 % in the first unfertilized year.
Observation Soil N accumulation became less than 60 kg ha-1 after four years of cropping without fertilization, with no difference among treatments including control.

Intervention effectobservedoriginal resultnegativesimulated

Claim · model-written summary

For winter wheat, a gradual increase in air temperature resulted in a simulated yield decrease.

Taxon: winter wheatTriticum aestivume0
Treatment: gradual increase in air temperaturee0
Outcome: yielde0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“For winter wheat, a gradual increase in air temperature resulted in a yield decrease”
✓ located verbatim in the source · abstract, characters 751–835

Title

Potential impact of climate change on selected agricultural crops in north‐eastern Austria

Vesselin Alexandrov; Josef Eitzinger; Vesna Cajic; et al. Global Change Biology 2002. doi:10.1046/j.1354-1013.2002.00484.x

Other claims from this paper (9)

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Chlorsulfuron did not decrease mature grain nutrient concentrations or grain yield.

Taxon: wheatTriticum aestivumt0
Treatment: Chlorsulfuron treatmente0
Outcome: nutrient concentrations in mature grain or grain yielde0
Direction: did not decreasee0

Not reportedComparator

Verbatim

e0
“Chlorsulfuron treatment did not decrease nutrient concentrations in mature grain or grain yield”
✓ located verbatim in the source · abstract, characters 639–734

t0
“wheat”
✓ located verbatim in the source · title, characters 70–75

Title

The impact of chlorsulfuron and diclofop-methyl on nutrient uptake by wheat.

LD Osborne; AD Robson; DG Bowran Australian Journal of Agricultural Research 1993. doi:10.1071/ar9931757

Other claims from this paper (11)

Intervention effect Chlorsulfuron decreased wheat shoot and root weights and root length in glasshouse experiments.
Intervention effect Chlorsulfuron decreased phosphorus uptake, particularly with low phosphorus supply.
Intervention effect Chlorsulfuron decreased potassium uptake.
Intervention effect Nitrogen, calcium and magnesium uptake was unaffected.
Intervention effect Field chlorsulfuron reduced shoot element concentrations during early growth by up to 30%.
Observation The reduction in shoot element concentrations faded as wheat aged.
Association Kulin was more sensitive to chlorsulfuron than Reeves.
Intervention effect Diclofop-methyl had little effect on shoot nutrient concentrations.
Intervention effect Diclofop-methyl reduced zinc and copper concentrations during vegetative growth.
Intervention effect Diclofop-methyl reduced copper concentration in mature Kulin grain.
Intervention effect Herbicides reduced uptake of diffusion-moved nutrients more than mass-flow nutrients.

“yield decrease”

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