Search claims · PlantClaims

Recommendationauthor interpretationoriginal resultnegativebasis n/a

Claim · model-written summary

Maintaining a high proportion of double-flowered plants may decrease seed yield.

Taxon: zinniaZinniat0
Outcome: seed yielde0
Qualifier: may decreasee0

Verbatim

e0
“maintaining a high percentage of plants with double-flowered capitula may decrease seed yield”
✓ located verbatim in the source · abstract, characters 840–933

t0
“Zinnia”
✓ located verbatim in the source · title, characters 12–18

Title

Analysis of Zinnia Capitulum Composition

Daiichiro Miyajima; Masaaki Nakayama Journal of the American Society for Horticultural Science 1994. doi:10.21273/jashs.119.4.683

Other claims from this paper (6)

Observation A capitulum accumulated fewer than 20 newly opened florets daily for more than 15 days.
Observation Kumamotonokagayaki had 210 to 330 florets per capitulum.
Observation Snowball had 220 to 290 florets per capitulum.
Observation Purple Zem had 160 to 240 florets per capitulum.
Association Tubular floret numbers were negatively correlated with ray floret numbers.
Observation Ornamentally superior capitula had more ray and fewer tubular florets than single-flowered capitula.

Recommendationhypothesisoriginal resultpositivebasis n/a

Claim · model-written summary

For high-yield producers, moderate stover harvest may decrease fuel use.

Taxon: CornZea mays subsp. mayst0
Treatment: moderate stover harveste6
Outcome: fuel usee6
Direction: decreasee6

Verbatim

e6
“moderate stover harvest may actually decrease fuel use”
✓ located verbatim in the source · abstract, characters 1422–1476

t0
“Corn Grain, Stover Yield”
✓ located verbatim in the source · title, characters 0–24

Title

Corn Grain, Stover Yield and Nutrient Removal Validations at Regional Partnership Sites

Douglas L. Karlen; Stuart J. Birrell; Jane M. F. Johnson; et al. Iowa State University Digital Repository (Iowa State University) 2012

Other claims from this paper (6)

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors infer that managing the identified factors could decrease the soybean yield gap.

Taxon: soybeanGlycine maxe0
Outcome: decrease the yield gape0

Verbatim

e0
“managing magnitude of these variables will decrease the yield gap in soybean crop”
✓ located verbatim in the source · abstract, characters 851–932

Title

Farm level yield gap analysis in soybean crop in Ahilyanagar district of Maharashtra State

Prajakta P Nikam; Manohar B Dhadwad; Kunal P Pawar; et al. International Journal of Agriculture Extension and Social Development 2025. doi:10.33545/26180723.2025.v8.i6a.1991

Other claims from this paper (9)

Observation 30.73 per cent of growers reported a low yield gap.
Observation 23.96 percent of growers reported a medium yield gap.
Observation Mean YGI was 10.04 per cent.
Observation Mean YGII was 16.11 per cent.
Observation Mean YG III was 29.06 per cent.
Association Land holding significantly contributed to the soybean yield gap.
Association Annual income significantly contributed to the soybean yield gap.
Association Management practices significantly contributed to the soybean yield gap.
Association Water stress significantly contributed to the soybean yield gap.

Recommendationauthor interpretationoriginal resultnegativebasis n/a

Claim · model-written summary

Selection for yield could decrease meat and oil content.

Taxon: peanutArachis hypogaeat0
Outcome: meat and oil contente0
Direction: decreasee0

Verbatim

e0
“but would decrease meat and oil content”
✓ located verbatim in the source · abstract, characters 1887–1926

t0
“Peanut”
✓ located verbatim in the source · title, characters 107–113

Title

Heritabilities and Genetic Correlations for Yield and Quality Traits of Advanced Generations in a Cross of Peanut1

Hee Yang Chiow; J. C. Wynne Peanut Science 1983. doi:10.3146/i0095-3679-10-1-5

Other claims from this paper (16)

Observation Progenies varied substantially for yield, seed weight, meat and protein content.
Observation Progenies varied less for fruit length, fruit weight, oil content and maturity index.
Observation Heritability was highest for yield, meat and protein content.
Observation Heritability was intermediate for fruit length, fruit weight and seed weight.
Observation Heritability was lowest for oil content and maturity index.
Observation Genotypic correlations were generally higher than phenotypic correlations.
Association Maturity index showed low phenotypic correlations with yield and yield components.
Association Fruit size was highly correlated with seed weight.
Association Fruit size and seed weight were significantly correlated with yield.
Association Protein content and yield correlations were low.
Association Oil content was negatively correlated with yield.
Recommendation Selecting yield components was less effective than selecting yield directly.
Recommendation Selection for yield could increase protein content and fruit and seed traits.
Observation Transgressive segregation occurred across all studied traits.
Observation Progeny trait means were closer to the Spanish than the Virginia parent.
Observation Some progeny combined early maturity, high yield and large fruit.

Recommendationauthor interpretationoriginal resultnegativebasis n/a

Claim · model-written summary

The authors suggest ethephon may decrease grain yield without lodging.

Taxon: maizeZea mayst0
Outcome: decrease grain yielde0
Qualifier: in the absence of lodginge0

Verbatim

e0
“may decrease grain yield in the absence of lodging because of its potential deleterious effect on kernel number and growth”
✓ located verbatim in the source · abstract, characters 1708–1830

t0
“Maize”
✓ located verbatim in the source · title, characters 39–44

Title

Growth, Yield, and Yield Components of Maize as Influenced by Ethephon

W. J. Cox; H. F. Andrade Crop Science 1988. doi:10.2135/cropsci1988.0011183x002800030023x

Other claims from this paper (11)

Intervention effect Ethephon did not affect phytomass, NAR, or CGR in the dry 1985 season.
Intervention effect Ethephon reduced phytomass, NAR, and CGR in the wet 1986 season.
Association Plant density and hybrid did not influence growth response to ethephon.
Intervention effect Ethephon reduced lodging by 64%.
Intervention effect Ethephon had no overall effect on grain yield.
Intervention effect Ethephon increased Cornell 281 grain yield from 7.78 to 8.24 Mg ha −1.
Intervention effect Ethephon decreased Pioneer 3901 grain yield from 9.63 to 8.56 Mg ha −1.
Intervention effect Ethephon increased Cornell 281 kernel weight from 263 to 266 mg.
Intervention effect Ethephon decreased Pioneer 3901 kernel weight from 282 to 264 mg.
Intervention effect Ethephon significantly decreased kernels per ear in both hybrids from 494 to 474.
Recommendation The authors suggest ethephon may enhance maize yield where lodging is a problem.

Recommendationauthor interpretationoriginal resultmeasured

Claim · model-written summary

A concomitant decrease in autumn plant height may not affect autumn yield.

Taxon: AlfalfaMedicago sativat0
Outcome: autumn yielde0

Verbatim

e0
“A concomitant decrease in autumn plant height may not affect autumn yield”
✓ located verbatim in the source · abstract, characters 1567–1640

t0
“Alfalfa”
✓ located verbatim in the source · title, characters 41–48

Title

Improving Winter Hardiness in Nondormant Alfalfa Germplasm

Mindy A. Weishaar; E. Charles Brummer; Jeffrey J. Volenec; et al. Crop Science 2005. doi:10.2135/cropsci2005.0060

Other claims from this paper (6)

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors conclude that TE application is a potential strategy to decrease lodging probability without affecting sunflower yield.

Taxon: sunflowerHelianthus annuuse0
Treatment: application of TEe0
Outcome: decrease lodging probability without affecting sunflower yielde0

Verbatim

e0
“the application of TE is a potential strategy to decrease lodging probability without affecting sunflower yield”
✓ located verbatim in the source · abstract, characters 943–1054

Title

Are plant growth retardants a strategy to decrease lodging and increase yield of sunflower?

Marcia Eugenia Amaral Carvalho; Paulo Roberto de Camargo e Castro; Marcos Vinicius de Castro Ferraz Junior; et al. Comunicata Scientiae 2016. doi:10.14295/cs.v7i1.1286

Other claims from this paper (7)

Intervention effect Trinexapac-ethyl (TE) decreased sunflower plant height by 16.9%.
Intervention effect Maleic hydrazide (MH) decreased sunflower plant height by 35.9%.
Intervention effect Only TE positively influenced capitulum diameter, by 46.7% compared with control at 60 days after planting.
Intervention effect Only TE positively influenced capitulum dry mass, by 311% compared with control at 60 days after planting.
Intervention effect At 81 DAP, capitulum dry mass did not differ between control and TE-treated plants.
Intervention effect MH impaired capitulum diameter by 92.9%.
Intervention effect MH impaired capitulum dry mass by 74.7%.

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors conclude prohexadione calcium can decrease vine growth and increase yield in virginia and runner peanut.

Taxon: peanutArachis hypogaeae0
Treatment: Prohexadione calciume0
Outcome: decrease vine growth and increase yielde0

Verbatim

e0
“Prohexadione calcium can be beneficial in virginia market type and runner market type peanut cultivars to decrease vine growth and increase yield.”
✓ located verbatim in the source · abstract, characters 2121–2267

Title

Influence of Prohexadione Calcium Rate on Growth and Yield of Peanut (Arachis hypogaea)

S.P. Studstill; W.S. Monfort; R.S. Tubbs; et al. Peanut Science 2020. doi:10.3146/ps20-11.1

Other claims from this paper (8)

Intervention effect Treated peanut had greater row definition.
Intervention effect Prohexadione calcium often shortened peanut main stem height, varying by location and year.
Intervention effect In virginia market type small plots, average mainstem height was 23 cm with prohexadione calcium versus 26 cm untreated.
Intervention effect Prohexadione calcium did not significantly raise yield in any small plot experiment.
Intervention effect Reduced prohexadione calcium rates significantly increased yield in all large on-farm experiments.
Intervention effect Across on-farm experiments, yield increases for all treatments ranged from 453 to 731 kg/ha.
Intervention effect The 0.75x rate gave the greatest return on investment, increasing revenue by $210 ha−1.
Association The authors infer a stronger growth and yield response where soil variability is greater.

Recommendationauthor interpretationoriginal resultnegativebasis n/a

Claim · model-written summary

Excessive shade was concluded to decrease cocoa yield.

Taxon: cocoaTheobroma cacaoe0
Treatment: excessive shadee0
Outcome: yielde0
Direction: decreasese0

Verbatim

e0
“excessive shade decreases yield of cocoa”
✓ located verbatim in the source · abstract, characters 1873–1913

Title

Micro-Climate Conditions, Weed Diversity, Flowering and Yield of Young Cacao Plants as Affected by Shade Regimes

Idowu Babadele Famuwagun; Samuel O. Agele International Letters of Natural Sciences 2021. doi:10.56431/p-f18s7i

Other claims from this paper (10)

Intervention effect No-shade plots had significantly higher air temperature than shaded plots in 2015 and 2016.
Intervention effect No-shade plots had significantly higher soil temperature than shaded plots in 2015 and 2016.
Intervention effect Soil temperature did not differ significantly by shade in 2017.
Intervention effect Weed vigour was significantly higher without shade.
Intervention effect Flower production was significantly higher without shade in 2015 and 2016.
Intervention effect Pod production was significantly higher without shade in 2016 and 2017.
Intervention effect Cherelle wilt rate was higher in shaded plots.
Intervention effect Pod yield parameters were significantly higher without shade.
Association Air temperature of 30°C to 33.7°C during flowering and pod setting positively influenced bean yield.
Mechanism Temperature and relative humidity increases were concluded to boost physiological processes for pod production.

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Coir-based growing media can be reused for another short-cycle crop such as lettuce without yield loss or phytonutrient decrease.

Taxon: lettuceLactuca sativae0
Outcome: without yield loss or phytonutrients decreasee0

Verbatim

e0
“Coir-based growing media can be reused for another short-cycle crop, like lettuce, without yield loss or phytonutrients decrease”
✓ located verbatim in the source · abstract, characters 1099–1227

Title

Reusing Coir-Based Substrates for Lettuce Growth: Nutrient Content and Phytonutrients Accumulation

Rui Machado; Isabel Alves-Pereira; Inês Alves; et al. Horticulturae 2023. doi:10.3390/horticulturae9101080

Other claims from this paper (6)

Intervention effect Lettuce grown in reused mixes had macronutrient concentrations similar to those grown in coir for the first time.
Intervention effect N and K concentrations differed from those in new coir in plants grown in the third reused mix (coir, biochar and pine bark).
Intervention effect Lettuce grown in reused mixtures had yields similar to those in new coir.
Observation Lettuce heads yielded 4.6–4.9 kg/m2.
Intervention effect Plants grown in reused mixtures had equal or higher total phenols than those in new coir.
Intervention effect Ascorbic acid content was higher in plants cultivated in reused mixes.

“yield decrease”

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