Search claims · PlantClaims

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Each post-flowering frost was associated with a 5% yield decrease.

Taxon: chickpeaCicer arietinumt0
Treatment: post-flowering froste0
Outcome: yielde0
Direction: decreasee0
Value: 5%e0

Verbatim

e0
“Each post-flowering frost was associated with a 5% decrease and a low-temperature day with a 1% decrease in yield”
✓ located verbatim in the source · abstract, characters 943–1056

t0
“chickpea”
✓ located verbatim in the source · title, characters 104–112

Title

Relationships of frequencies of extreme low temperatures with grain yield of some Australian commercial chickpea cultivars

Yashvir S. Chauhan; Sam Allard; Steve Krosch; et al. International Journal of Biometeorology 2022. doi:10.1007/s00484-022-02344-9

Other claims from this paper (7)

Observation Mean chickpea yield varied from 1 to 3 t/ha.
Association Yield was negatively associated with post-flowering frosts.
Association Yield was negatively associated with low-temperature days.
Association Yield was positively associated with pre-flowering frosts.
Association Each low-temperature day was associated with a 1% yield decrease.
Association Cultivar by site interaction was significant only in experiments with six cultivars.
Recommendation Management and breeding to overcome post-flowering cold are expected to increase and stabilize yield.

Mechanismauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

Fruit growth tended to decrease over years, probably because of higher yield loads.

Taxon: applesMalus domesticat0
Outcome: fruit growth to decrease over yearse0
Direction: decreasee0
Qualifier: increased yield loadse0

Verbatim

e0
“The tendency for fruit growth to decrease over years was probably due to increased yield loads.”
✓ located verbatim in the source · abstract, characters 670–765

t0
“apples”
✓ located verbatim in the source · title, characters 22–28

Title

Growth and quality of apples as affected by different irrigation treatments

J. De V. Lötter; D. J. Beukes; H. W. Weber Journal of Horticultural Science 1985. doi:10.1080/14620316.1985.11515617

Other claims from this paper (14)

Intervention effect Fruit circumference growth increased linearly with TAW level in phases 2 and 3.
Observation Most total fruit growth was completed during phase 2.
Observation Most shoot extension growth was completed during phase 1.
Intervention effect Shoot growth was more vigorous at 85% TAW than 25% TAW during phase 2.
Observation At 85% and 65% TAW, trunk growth was completed mainly at the end of phase 2.
Observation At 45% and 25% TAW, trunk growth was completed by the end of phase 1.
Association Trunk growth correlated positively with water application in phases 1 and 2 and slightly in phase 3.
Intervention effect Lower TAW during main fruit development reduced apple fruit size.
Recommendation Growers should favor 85% TAW in phases 2 and 3.
Intervention effect Watercore worsened as TAW increased.
Intervention effect Sunburn increased strongly as TAW decreased.
Intervention effect Superficial scald varied with irrigation treatment, though the result was difficult to interpret.
Association Scald incidence tended to correlate positively with TAW in phases 3 and 4.
Intervention effect Bitter pit occurrence increased with higher TAW during every phase.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Maize yield tended to decrease above 32°C.

Taxon: MaizeZea mayse0
Outcome: Maize yielde0
Direction: decreasee0
Qualifier: temperatures exceed 32°Ce0
Setting: Upper East regione0

Verbatim

e0
“Maize yield in the Upper East region tends to decrease when temperatures exceed 32°C”
✓ located verbatim in the source · abstract, characters 774–858

Title

Marginal Impact of climate variability on crop yields in Ghana

Samuel Asante Gyamerah; Victor Owusu; Stephen Oppong Kwakye Scientific African 2024. doi:10.1016/j.sciaf.2024.e02314

Other claims from this paper (3)

Association Maximum and minimum temperature were the strongest climate indicators for maize yield.
Association Maize yield tended to increase around 24°C.
Association Across studied districts, maize yield tended to be maximal around 24°C.

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.

Observationobservedoriginal resultnegativeprojected

Claim · model-written summary

The largest projected alfalfa yield decrease is 9% in Siirt.

Taxon: alfalfaMedicago sativae1
Outcome: yielde0
Direction: decreasee0
Value: 9%e0
Setting: Siirte0

Verbatim

e0
“the maximum yield decrease will be noted in Siirt (9%)”
✓ located verbatim in the source · abstract, characters 1674–1728

e1
“Alfalfa yield for years 2020-2060”
✓ located verbatim in the source · abstract, characters 1019–1052

Title

Estimation of Alfalfa (Medicago sativa l.) yield under RCP4.5 and RCP8.5 climate change projections with ANN in Turkey

MuhammetAli Pekin; NurdanSahin Demirbag; KhalidMahmood Khawar; et al. MAUSAM 2023. doi:10.54302/mausam.v74i3.5598

Other claims from this paper (5)

Method / resource The ANN calculated alfalfa yield with a coefficient of determination of 0.827.
Method / resource The ANN calculated alfalfa yield with a Nash-Sutcliff coefficient of 0.813.
Association Projected alfalfa yield increases where precipitation increases.
Association Projected alfalfa yield decreases where precipitation decreases.
Observation The largest projected alfalfa yield increase is 6% in Artvin.

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.

Associationobservedreview summarybasis n/a

Claim · model-written summary

Breeding for high protein (above 48%) enhances a decrease in oil and yield.

Taxon: soybeansGlycine maxt0
Treatment: breed for high protein (above 48%)e0
Outcome: oil and yielde0
Direction: decreasee0

Verbatim

t0
“soybeans”
✓ located verbatim in the source · title, characters 34–42

e0
“To breed for high protein (above 48%) enhances a decrease in oil and yield”
✓ located verbatim in the source · abstract, characters 834–908

Title

Production and nutritive value of soybeans.

A Lam-Sánchez PubMed 1978

Other claims from this paper (10)

Observation World soybean production has been increasing at 5.2% per year.
Observation Average world soybean yield is around 1,400 kg/ha.
Observation Brazil, the third largest producer, has had a yearly rate of soybean production increase of 32% in recent years.
Observation Average soybean yields in Brazil are low, around 1,500 kg/ha.
Observation In experimental results, soybean yields over 3,000 kg/ha have been obtained.
Association Protein and oil contents of soybean are highly negatively correlated.
Observation New soybean varieties containing 43% protein with a good yielding capacity have been developed.
Observation Methionine content of soybean varies from 1.0 to 1.6% g/16g N.
Association Methionine in the protein is correlated (0.56 to 0.58) with protein in the seed.
Intervention effect The effect of trypsin inhibitors on methionine availability or utilization can be eliminated by heat.

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 effectauthor interpretationreview summarynegativebasis n/a

Claim · model-written summary

Temperatures above optimum decrease cotton yield.

Taxon: cottonGossypium hirsutume0
Treatment: increase in temperatures above optimume0
Outcome: cotton yielde0
Direction: decreasee0
Comparator: optimume0

Verbatim

e0
“In contrast, increase in temperatures above optimum decrease cotton yield due to increased boll abscission and smaller boll size.”
✓ located verbatim in the source · abstract, characters 325–454

Title

Crop Responses to Elevated Carbon Dioxide and Interactions with Temperature

K. Raja Reddy; P. V. Vara Prasad; V. Gopal Kakani Journal of Crop Improvement 2005. doi:10.1300/j411v13n01_08

Other claims from this paper (10)

Intervention effect Elevated CO2 improves cotton productivity.
Intervention effect Elevated CO2 improves cotton carbon exchange rates.
Intervention effect Elevated CO2 improves cotton vegetative growth.
Intervention effect Elevated CO2 improves cotton boll number.
Intervention effect Temperatures above optimum increase cotton boll abscission.
Intervention effect Temperatures above optimum make cotton bolls smaller.
Intervention effect Doubling CO2 did not ameliorate high temperature effects on reproductive growth.
Intervention effect Doubling CO2 did not ameliorate high temperature effects on fiber quality.
Observation In future climates with warmer temperatures and elevated CO2, cotton yield will decrease.
Observation In future climates with warmer temperatures and elevated CO2, cotton quality will decrease.

Associationobservedoriginal resultmeasured

Claim · model-written summary

Under drought, the PSII quantum yield decrease coincided with a decrease in PSII core complexes.

Taxon: Jatropha curcasJatropha curcast0
Outcome: core complexes of PSIIe0
Direction: decreasee0
Qualifier: under droughte0
Comparator: quantum yield of PSIIe0

Not reportedOrgan / stage

Verbatim

e0
“the decrease in the quantum yield of PSII was accompanied by a decrease in the core complexes of PSII while light-harvesting complexes are maintained under drought.”
✓ located verbatim in the source · abstract, characters 628–792

t0
“Jatropha curcas”
✓ located verbatim in the source · title, characters 117–132

Title

Reversible down-regulation of photosystems I and II leads to fast photosynthesis recovery after long-term drought in Jatropha curcas

Sapeta, Helena; Yokono, Makio; Takabayashi, Atsushi; et al. Institutional Repositories DataBase (IRDB) 2022

Other claims from this paper (7)

“yield decrease”

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