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.

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 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 resultnegativebasis n/a

Claim · model-written summary

The authors conclude direct-seeded zero tillage may decrease rice grain yield relative to conventional tillage.

Taxon: riceOryza sativae0
Treatment: direct-seeded ZT systeme0
Outcome: rice grain yield might decrease under a direct-seeded ZT systeme0
Comparator: conventional systeme0

Verbatim

e0
“rice grain yield might decrease under a direct-seeded ZT system more than the conventional system”
✓ located verbatim in the source · abstract, characters 1680–1777

Title

Response of Rice to Tillage, Wheat Residue and Weed Management in a Rice-Wheat Cropping System

Bisheshwor P. Pandey; Tanka P. Kandel Agronomy 2020. doi:10.3390/agronomy10111734

Other claims from this paper (5)

Intervention effect Conventional tillage yielded 4.8 t ha−1 of rice grain, significantly more than zero tillage at 4.4 t ha−1.
Intervention effect Increasing wheat residue retention consistently increased rice grain yield in all three years.
Intervention effect Weed management system did not influence rice grain yield.
Recommendation The authors conclude retaining wheat residue can significantly increase rice grain yield.
Recommendation The authors conclude bispyribac-sodium may be as effective as manual weeding for weed control in both rice planting systems.

Recommendationauthor interpretationoriginal resultnegativebasis n/a

Claim · model-written summary

The authors suggest selecting for long green leaf or glume duration to stabilize grain yield may decrease bread-making potential.

Outcome: decrease in bread‐making potentiale0
Qualifier: maye0

Not reportedTaxon

Verbatim

e0
“selection for long green leaf or green glume duration after heading to stabilize grain yield in a warmer climate may also result in a decrease in bread‐making potential”
✓ located verbatim in the source · abstract, characters 1243–1411

Title

Maturity Traits Related to Climate Adaptation Affect Quality Characteristics in Hard Red Spring Wheat

N. K. Blake; A. C. Varella; B. Bicego; et al. Crop Science 2018. doi:10.2135/cropsci2018.04.0228

Other claims from this paper (4)

Recommendationauthor interpretationoriginal resultnegativebasis n/a

Claim · model-written summary

The authors project warming could decrease yield for late wheat plantings and shift optimum planting earlier in desert southwest settings.

Taxon: wheatTriticum aestivume0
Outcome: decrease wheat yield for late plantings and shift optimum planting windows to earlier datese0
Setting: desert southwest of the United Statese0

Verbatim

e0
“possible future increases in temperature may decrease wheat yield for late plantings and shift optimum planting windows to earlier dates in areas of the world similar to the desert southwest of the United States”
✓ located verbatim in the source · abstract, characters 1287–1498

Title

Wheat Growth Response to Increased Temperature from Varied Planting Dates and Supplemental Infrared Heating

M. J. Ottman; B. A. Kimball; J. W. White; et al. Agronomy Journal 2012. doi:10.2134/agronj2011.0212

Other claims from this paper (4)

Association Wheat grain yield declined 42 g m −2 or 6.9% per 1°C above 16.3°C seasonal temperature.
Intervention effect Supplemental heating had no effect on grain yield in winter plantings.
Intervention effect Supplemental heating decreased grain yield in spring plantings from 510 to 368 g m −2.
Intervention effect Supplemental heating increased early fall grain yield from 3 to 435 g m −2 where frost limited unheated plots.

Recommendationauthor interpretationoriginal resultnegativebasis n/a

Claim · model-written summary

The authors caution that competition for water and nutrients under hot and dry conditions can substantially decrease yield and vine capacity.

Taxon: GrapevineVitist0
Outcome: substantial decrease in yield and vine capacitye0
Qualifier: particularly if it occurs at sensitive stages (such as bloom and berry set)e0
Setting: hot and dry conditionse0

Verbatim

e0
“under hot and dry conditions, competition for water and nutrients, particularly if it occurs at sensitive stages (such as bloom and berry set) can lead to a substantial decrease in yield and vine capacity.”
✓ located verbatim in the source · abstract, characters 1100–1305

t0
“Grapevine”
✓ located verbatim in the source · title, characters 52–61

Title

Influence of Vineyard Floor Management Practices on Grapevine Vegetative Growth, Yield, and Fruit Composition

Dejan Tesic; Markus Keller; Ronald J. Hutton American Journal of Enology and Viticulture 2007. doi:10.5344/ajev.2007.58.1.1

Other claims from this paper (7)

Intervention effect Increasing floor cover decreased early-season soil moisture.
Intervention effect Increasing floor cover decreased petiole nutrient status.
Intervention effect Increasing floor cover strongly reduced vine vegetative growth.
Intervention effect Floor cover limited grape yield after three experimental years.
Association Treatment differences in growth, canopy structure and yield contributed to differences in berry weight and composition.
Association Vine response to floor covers was less pronounced in mild than hot and dry conditions.
Recommendation The authors identify total or partial floor cover as a tool to control grapevine vegetative growth.

Recommendationauthor interpretationoriginal resultnegativebasis n/a

Claim · model-written summary

The authors conclude that under lower water levels, selecting tall fescue cultivars for low discrimination will likely decrease forage yield.

Taxon: tall fescueLolium arundinaceume0
Outcome: decreased forage yielde0
Qualifier: under lower water levelse0

Verbatim

e0
“under lower water levels, selection for low Δ in tall fescue cultivars will likely lead to decreased forage yield”
✓ located verbatim in the source · abstract, characters 1526–1639

Title

Carbon isotope discrimination of tall fescue cultivars across an irrigation gradient

Kevin B. Jensen; Kay H. Asay; Douglas A. Johnson; et al. Canadian Journal of Plant Science 2004. doi:10.4141/p02-196

Other claims from this paper (7)

Recommendationauthor interpretationoriginal resultnegativebasis n/a

Claim · model-written summary

Managers should expect a short-term decrease in total standing crop after Japanese brome removal.

Taxon: western wheatgrasse1
Outcome: total standing crope7
Direction: decreasee7
Qualifier: short-terme7

Verbatim

e1
“in a western wheatgrass dominated northern mixed grass prairie community”
✓ located verbatim in the source · abstract, characters 477–549

e7
“managers should also expect a short-term decrease in total standing crop”
✓ located verbatim in the source · abstract, characters 1484–1556

Title

Influence of Japanese Brome on Western Wheatgrass Yield

Marshall R. Haferkamp; R. K. Heitschmidt; Michael G. Karl Journal of Range Management 1997. doi:10.2307/4002704

Other claims from this paper (6)

Intervention effect Removal of Japanese brome reduced total standing crop by 500 kg ha-1 in the western wheatgrass community.
Intervention effect Removal of Japanese brome increased standing crop of western wheatgrass by 220 kg ha-2.
Intervention effect Removal of Japanese brome increased tiller density of western wheatgrass by 153 tillers m-2.
Mechanism The increase in western wheatgrass standing crop appeared to result from increased tiller density rather than increased weight per tiller.
Intervention effect Western wheatgrass water relations were essentially unaffected by removal of Japanese brome in 1992.
Recommendation Removal of Japanese brome may increase production of associated perennial grasses.

“yield decrease”

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