Search claims · PlantClaims

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Larger fields predicted lower sunflower yield.

Taxon: sunflowerHelianthus annuust0
Outcome: yielde0
Direction: decreasee0
Value: 6.1% (149 kg/ha)e0
Setting: field sizee0

Verbatim

e0
“a doubling in the field size from 40 ha to 80 ha predicted a 6.1% (149 kg/ha) yield decrease”
✓ located verbatim in the source · abstract, characters 926–1018

t0
“sunflower”
✓ located verbatim in the source · title, characters 53–62

Title

Landscape configuration is an important predictor of sunflower yield in the Argentinean Pampas Region

Matías G. Goldenberg; Fernanda A. Santibañez Ossa; Alfred Burian; et al. Ecología Austral 2023. doi:10.25260/ea.23.33.1.0.2061

Other claims from this paper (2)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Boron fertilization decreased sunflower yield in some cases.

Taxon: SunflowerHelianthus annuust0
Treatment: boron fertilizinge0
Outcome: yielde0
Direction: decreasee0
Qualifier: in some casese0

Not reportedComparator

Verbatim

e0
“The results obtained indicate that boron fertilizing did not provide an increase in yield, and in some cases led to its decrease.”
✓ located verbatim in the source · abstract, characters 469–598

t0
“Sunflower”
✓ located verbatim in the source · title, characters 58–67

Title

Influence of Foliar Application of Water-Soluble Boron on Sunflower Productivity

Oleksandr Dobrenkyi Journal of Water Research 2025. doi:10.33140/jwr.03.03.04

Other claims from this paper (2)

Intervention effect Boron fertilization did not increase sunflower yield.
Intervention effect Boron applied at R1-R2 at 1.5 l/ha produced the smallest yield decrease, nearly the Check level.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Sunflower seed yield decreased as irrigation water decreased.

Taxon: SunflowerHelianthus annuust0
Treatment: decrease in applied irrigation watere0
Outcome: seed yielde0
Direction: decreasede0

Not reportedComparator

Verbatim

e0
“growth parameter (biomass and seed yield) decreased with a decrease in applied irrigation water”
✓ located verbatim in the source · abstract, characters 967–1062

e1
“The statistical analysis showed significant differences in seed yield among the treatments”
✓ located verbatim in the source · abstract, characters 1282–1372

t0
“Sunflower Yield”
✓ located verbatim in the source · title, characters 33–48

Title

Root-Zone Soil Water Balance and Sunflower Yield under Deficit Irrigated in Zambia

Elijah Phiri; Simon Zimba Open Journal of Soil Science 2018. doi:10.4236/ojss.2018.81005

Other claims from this paper (6)

Intervention effect Sunflower biomass decreased as irrigation water decreased.
Observation Sunflower seed yield ranged from 0.22 to 1.40 ton per hectare.
Intervention effect T4 produced the highest grain yield and T1 the lowest.
Intervention effect T1 and T2 did not differ significantly in seed yield.
Intervention effect At 65% and 100% ETc, biomass, stover and seed yield did not differ significantly.
Recommendation The authors recommend 65% ETc irrigation for sunflower in semi-arid regions.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Sunflower biomass decreased as irrigation water decreased.

Taxon: SunflowerHelianthus annuust0
Treatment: decrease in applied irrigation watere0
Outcome: biomasse0
Direction: decreasede0

Not reportedComparator

Verbatim

e0
“growth parameter (biomass and seed yield) decreased with a decrease in applied irrigation water”
✓ located verbatim in the source · abstract, characters 967–1062

t0
“Sunflower Yield”
✓ located verbatim in the source · title, characters 33–48

Title

Root-Zone Soil Water Balance and Sunflower Yield under Deficit Irrigated in Zambia

Elijah Phiri; Simon Zimba Open Journal of Soil Science 2018. doi:10.4236/ojss.2018.81005

Other claims from this paper (6)

Intervention effect Sunflower seed yield decreased as irrigation water decreased.
Observation Sunflower seed yield ranged from 0.22 to 1.40 ton per hectare.
Intervention effect T4 produced the highest grain yield and T1 the lowest.
Intervention effect T1 and T2 did not differ significantly in seed yield.
Intervention effect At 65% and 100% ETc, biomass, stover and seed yield did not differ significantly.
Recommendation The authors recommend 65% ETc irrigation for sunflower in semi-arid regions.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Mutations causing n-7 lipid accumulation reduced oil yield.

Taxon: sunflowerHelianthus annuuse1
Material: new mutante0
Outcome: oil yielde0
Direction: decreasee0

Verbatim

e0
“the mutations responsible for the n ‐7 lipid accumulation induced an important decrease in the oil yield of the new mutant.”
✓ located verbatim in the source · abstract, characters 909–1032

e1
“sunflower ( Helianthus annuus L.) mutant”
✓ located verbatim in the source · abstract, characters 65–105

Title

Characterization of the glycerolipid composition of a high‐palmitoleic acid sunflower mutant

Joaquín J. Salas; Antonio J. Moreno‐Pérez; Enrique Martínez‐Force; et al. European Journal of Lipid Science and Technology 2007. doi:10.1002/ejlt.200600285

Other claims from this paper (5)

Observation Sunflower mutant accumulated up to 20% n ‐7 fatty acids.
Observation Mutant oil contained previously unidentified sunflower TAG species.
Observation Palmitoleic acid was esterified unexpectedly at all three TAG positions.
Observation High-palmitoleic mutant accumulated n-7 fatty acids in polar lipids, especially phosphatidylcholine.
Observation Total polar lipid content was unaffected.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Fenugreek sowing before sunflower significantly decreased yield in both weed-control conditions.

Taxon: sunflowerHelianthus annuuse0
Treatment: sowing of fenugreek before sunflowere0
Outcome: yielde0
Direction: decreasee0
Qualifier: control and non-control conditionse0

Not reportedComparator

Verbatim

e0
“In control and non-control conditions sowing of fenugreek before sunflower led to significant decrease of yield”
✓ located verbatim in the source · abstract, characters 1272–1383

Title

Application of Fenugreek Living Mulch and Cultivar for Weed Control in Sunflower

Bita Abbasi; Gholamreza Mohammadi; Alireza Bagheri DOAJ (DOAJ: Directory of Open Access Journals) 2020

Other claims from this paper (11)

Intervention effect Fenugreek mulch reduced weed biomass and density early and late in the season.
Observation Progress was superior for weed control.
Observation Progress competitive index was 1.67.
Observation Farrokh competitive index was 0.5.
Observation Lakomka competitive index was 0.89.
Intervention effect Without weeding, weeds reduced grain yield by 75.8%.
Intervention effect Mulch did not improve yield without weed control.
Intervention effect Simultaneous fenugreek sowing improved yield by 1083 kg.ha-1 with weed control.
Intervention effect Fenugreek sowing after sunflower improved yield by 703 kg.ha-1 with weed control.
Observation With weed control, Lakomka yielded 3426 kg.ha-1, higher than Progress and Farrokh.
Observation Without weed control, cultivar yield differences were not significant.

Intervention effectobservedoriginal resultnegativeprojected

Claim · model-written summary

High manure rates decreased modeled sunflower yield.

Taxon: sunflowerHelianthus annuuse0
Treatment: high rates of animal manuree0
Outcome: yielde0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“The high rates of animal manure showed a decrease on yield providing evidence that water stress becomes the main limit factor for sunflower growth.”
✓ located verbatim in the source · abstract, characters 1097–1244

Title

Assessment of Nitrogen Management on Sunflower Yield and Its Economic Response in Smallholder Farms in a Semi-Arid Region

Elisa Vilvert; Peter Zander; Charles Peter Mgeni; et al. International Journal of Plant Production 2022. doi:10.1007/s42106-022-00224-1

Other claims from this paper (5)

Associationobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Yield loss was associated with smaller head diameter and fewer seeds per head.

Taxon: sunflowerHelianthus annuust0
Organ / stage: heade0
Outcome: yield lossese0
Direction: lossese0
Qualifier: decrease at head diameter and seeds per heade0

Verbatim

e0
“Significant yield losses were arisen with decrease at head diameter and seeds per head.”
✓ located verbatim in the source · abstract, characters 943–1030

t0
“Sunflower”
✓ located verbatim in the source · title, characters 119–128

Title

Effects of Stand Reduction Applied at Different Plant Growth Stages on the Yield and Yield Components of Components of Sunflower

Abdurrahim Tanju Göksoy DergiPark (Istanbul University) 1999

Other claims from this paper (8)

Intervention effect A 25% stand reduction did not significantly reduce sunflower seed yield relative to the check.
Intervention effect A 50% stand reduction significantly reduced sunflower seed yield relative to the check.
Intervention effect A 50% stand reduction at the four-leaf stage caused 22% yield loss.
Intervention effect A 50% stand reduction at the eight-leaf stage caused 17% yield loss.
Intervention effect A 50% stand reduction at the 16-leaf stage caused 29% yield loss.
Intervention effect A 50% stand reduction at bud stage caused 33% yield loss.
Intervention effect Later 50% stand losses at 16-leaf and bud stages caused significant yield loss.
Association Head diameter and seeds per head were positively correlated with yield at the lowest population.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

TR3080 root and shoot growth did not decrease under Pb concentrations.

Taxon: sunflowerHelianthus annuuse0
Material: TR3080e1
Treatment: Pb concentrationse1
Outcome: root and shoot growthe1
Direction: did not decreasee1

Not reportedComparator

Verbatim

e0
“TR3080 (sunflower), Blackwell (swtichgrass) and Linas (safflower) varieties toward lead and cadmium heavy metals”
✓ located verbatim in the source · abstract, characters 94–206

e1
“In Pb concentrations of TR3080, root and shoot growth did not decrease”
✓ located verbatim in the source · abstract, characters 339–409

Title

EVALUATION OF PLANT METAL CONTENT AND BIOMASS YIELD FOR THE PHYTOEXTRACTION OF Pb AND Cd BY HYDROPONICALLY CULTIVATED CROP

Celebı, Seyda Zorer; Ekin, Zehra Van Yüzüncü Yıl University Academic Data Management System 2017

Other claims from this paper (10)

Observation Blackwell absorbed the highest amount of Pb in its root and shoot.
Observation TR3080 showed high BCF and TF values under Pb concentrations.
Observation Blackwell showed high BCF and TF values under Pb concentrations.
Observation Linas showed high BCF and TF values under Pb concentrations.
Observation The three varieties show hyperaccumulation capacity for Pb.
Intervention effect High Cd concentrations decreased growth in all varieties.
Observation All varieties stored high amounts of Cd under high Cd concentrations.
Observation All varieties showed high BCF values for Cd.
Observation TF values of all varieties for Cd were low.
Recommendation TR3080, Blackwell and Linas should be considered for phytostabilization remediation of Cd contaminated areas.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Treated zeolite reduced sunflower yield by more than 60%.

Taxon: sunflowerHelianthus annuuse1
Treatment: treated zeolitee0
Outcome: plant yielde0
Direction: decreasee0
Value: >60% reductione0

Not reportedComparator

Verbatim

e0
“the application of treated zeolite resulted in a large decrease in plant yield (>60% reduction)”
✓ located verbatim in the source · abstract, characters 716–811

e1
“sunflower (Helianthus annus L.)”
✓ located verbatim in the source · abstract, characters 246–277

Title

Effect of treated zeolite, iron waste, and liming on phytoavailability of Zn, Cu, and Ni in long-term biosolids-amended soils

Z. Talebi Gheshlaghi; R. G. McLaren; J. A. Adams Soil Research 2008. doi:10.1071/sr08092

Other claims from this paper (8)

Intervention effect Under original soil acidity, neither amendment substantially changed plant metal concentrations.
Intervention effect With lime, zeolite reduced sunflower Ni and Zn concentrations versus lime alone.
Intervention effect Best amendment and lime combinations brought shoot Ni below detection.
Intervention effect Best combinations reduced shoot Zn by 91% in moderately contaminated soil.
Intervention effect Best combinations reduced shoot Zn by 75% in highly contaminated soil.
Intervention effect Iron waste with lime lowered soluble soil Zn by over 90%.
Intervention effect Iron waste with lime increased sunflower yield 63% in highly contaminated soil.
Intervention effect Treatments had little effect on sunflower Cu concentrations.

“yield decrease”

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