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Organism: Helianthus annuus ✕

Intervention effect 151

Show all 151 →
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Halving insect visits caused little decrease in sunflower yield.

Taxon
sunflowerHelianthus annuuse1
Treatment
insect visits were reduced by 50%e0
Outcome
yielde0
Direction
little decreasee0
Value
50%e0

Not reportedComparator

Verbatim

e0

“little decrease in yield when insect visits were reduced by 50%”

✓ located verbatim in the source · abstract, characters 630–693
e1

“in sunflower”

✓ located verbatim in the source · abstract, characters 208–220

Title

Supplementary material from "Pollination benefits are maximized at intermediate nutrient levels"

Tamburini, Giovanni; Lami, Francesco; Marini, Lorenzo Figshare 2017. doi:10.6084/m9.figshare.c.3827959.v2

Other claims from this paper (5)
Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Halving insect visits caused little sunflower yield decrease.

Taxon
sunflowerHelianthus annuust0
Treatment
insect visits were reduced by 50%e0
Outcome
yielde0
Direction
little decreasee0

Not reportedComparator

Verbatim

e0

“little decrease in yield when insect visits were reduced by 50%”

✓ located verbatim in the source · abstract, characters 632–695
t0

“in sunflower, combining a gradient in insect pollination”

✓ located verbatim in the source · abstract, characters 208–264

Title

Pollination benefits are maximized at intermediate nutrient levels

Giovanni Tamburini; Francesco Lami; Lorenzo Marini Proceedings of the Royal Society B Biological Sciences 2017. doi:10.1098/rspb.2017.0729

Other claims from this paper (4)
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Removal of 50% of the head produced the maximum seed yield decrease of 62.2%.

Taxon
SunflowerHelianthus annuust0
Treatment
50% removal of the heade0
Outcome
seed yielde0
Direction
decreasee0
Value
62.2%e0

Not reportedComparator

Verbatim

e0

“The maximum decrease in seed yield (62.2%) was observed in the treatment of 50% removal of the head.”

✓ located verbatim in the source · abstract, characters 789–889
t0

“Sunflower”

✓ located verbatim in the source · title, characters 39–48

Title

Impact of Source, Sink Manipulation on Sunflower Yield Physiology under Different Water Availability Conditions

Mojtaba Hassanzadehdelouei; Ahad Madani; Najmeh Yazdanparast Annals of Arid Zone 2023. doi:10.59512/aaz.2023.62.4.13

Other claims from this paper (7)

Association 64

Show all 64 →
Associationobservedreview summarynegativebasis n/a

Claim · model-written summary

Violations of plant-microorganism interrelations caused by cultivation technologies can decrease yield potential of sunflower.

Taxon
sunflowerHelianthus annuuse1
Treatment
cultivation technologiese2
Outcome
yield potentiale1
Direction
decreasee1

Verbatim

e1

“are able to decrease yield potential of agricultural crops including sunflower”

✓ located verbatim in the source · abstract, characters 741–819
e2

“such as cultivation technologies”

✓ located verbatim in the source · abstract, characters 707–739

Title

About rhizosphere of field crops and factors influencing on dynamics of its microbiota (review)

A.S. Bushnev; D.A. Kurilova; I.A. Kotlyarova Oil Crops 2023. doi:10.25230/2412-608x-2023-4-196-97-109

Associationobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Lower precipitation was associated with a decrease in oil yield.

Taxon
SunflowerHelianthus annuust0
Outcome
oil yielde0
Direction
decreasee0
Value
29.70%e0
Setting
research yearse0

Verbatim

e0

“The decrease in the amount of precipitation between research years caused a significant decrease in the plant height (16.57%), head diameter (18.90%), 1000 seed weight (20.00%), oil yield (29.70%) and seed yield (30.59%) of cultivars.”

✓ located verbatim in the source · abstract, characters 855–1089
t0

“Sunflower”

✓ located verbatim in the source · title, characters 30–39

Title

Comparing The Performances of Sunflower Hybrids in Semi-Arid Condition

İsmail DEMİR Türk Tarım ve Doğa Bilimleri Dergisi 2020. doi:10.30910/turkjans.688173

Other claims from this paper (9)
Associationobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Lower precipitation was associated with a decrease in seed yield.

Taxon
SunflowerHelianthus annuust0
Outcome
seed yielde0
Direction
decreasee0
Value
30.59%e0
Setting
research yearse0

Verbatim

e0

“The decrease in the amount of precipitation between research years caused a significant decrease in the plant height (16.57%), head diameter (18.90%), 1000 seed weight (20.00%), oil yield (29.70%) and seed yield (30.59%) of cultivars.”

✓ located verbatim in the source · abstract, characters 855–1089
t0

“Sunflower”

✓ located verbatim in the source · title, characters 30–39

Title

Comparing The Performances of Sunflower Hybrids in Semi-Arid Condition

İsmail DEMİR Türk Tarım ve Doğa Bilimleri Dergisi 2020. doi:10.30910/turkjans.688173

Other claims from this paper (9)

Observation 19

Show all 19 →
Observationobservedoriginal resultmeasured

Claim · model-written summary

The decrease in harvest index under water deficit varied among sunflower genotypes.

Taxon
sunflowerHelianthus annuuse0
Outcome
decrease in HIe4
Qualifier
varied among genotypese4

Verbatim

e0

“Field experiments were conducted between 1981 and 1983 at Cordoba, Spain, to evaluate the yield responses to drought of 53 sunflower genotypes”

✓ located verbatim in the source · abstract, characters 0–142
e4

“Water deficits reduced harvest index (HI) in all genotypes but the decrease in HI varied among genotypes”

✓ located verbatim in the source · abstract, characters 486–590

Title

Genetic variability in sunflower cultivars under drought. I. Yield relationships

E Fereres; C Gimenez; JM Fernandez Australian Journal of Agricultural Research 1986. doi:10.1071/ar9860573

Other claims from this paper (8)
Observationobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Head rot decrease oil content.

Taxon
SunflowerHelianthus annuust0
Interactor
Head rote0pathogen
Outcome
oil contente0
Direction
decreasee0

Verbatim

e0

“Head rot caused a small but significant decrease in oil content and a significant increase in free fatty acid content.”

✓ located verbatim in the source · abstract, characters 0–118
t0

“Sunflower”

✓ located verbatim in the source · title, characters 24–33

Title

Sclerotinia Head Rot of Sunflower in North Dakota: 1986 Incidence, Effect on Yield and Oil Components, and Sources of Resistance

T. J. Gulya Plant Disease 1989. doi:10.1094/pd-73-0504

Other claims from this paper (5)
Observationobservedoriginal resultno effectmeasured

Claim · model-written summary

The decrease in chloroplast quantum yield could not be attributed to differences in respiration rates, chlorophyll content or absorption spectrum.

Taxon
sunflowerHelianthus annuuse0
Outcome
The decreasee5
Qualifier
could not be attributed to differences in rates of respiration by the leaves or the chlorophyll content or absorption spectrume5

Verbatim

e0

“Quantum yields were measured for CO(2) fixation by sunflower (Helianthus annuus L.) leaves having various water potentials”

✓ located verbatim in the source · abstract, characters 0–122
e5

“The decrease could not be attributed to differences in rates of respiration by the leaves or the chlorophyll content or absorption spectrum of the leaves and chloroplasts”

✓ located verbatim in the source · abstract, characters 810–980

Title

Chloroplast Response to Low Leaf Water Potentials

Prasanna Mohanty; John S. Boyer PLANT PHYSIOLOGY 1976. doi:10.1104/pp.57.5.704

Other claims from this paper (5)

Recommendation 6

Show all 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)
Recommendationhypothesisoriginal resultpositivebasis n/a

Claim · model-written summary

Own sunflower seed production is expected to decrease the cost price, with yield equal to imported hybrids.

Taxon
SunflowerHelianthus annuuse0
Outcome
cost pricee2
Direction
decreasee2
Comparator
imported hybridse2

Verbatim

e0

“Sunflower is a main oil seed crop in Bulgaria”

✓ located verbatim in the source · abstract, characters 0–45
e2

“the cost price will decrease sharply and the obtainable yield will equal the productivity of the imported hybrids”

✓ located verbatim in the source · abstract, characters 1165–1278

Title

Technological solutions in sunflower hybrid production

Galin Georgiev Bulgarian Journal of Crop Science 2025. doi:10.61308/emkm6105

Other claims from this paper (1)
Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Variable-rate fertiliser application is expected to increase sunflower yield and quality and decrease fertilisation cost and environmental effects.

Taxon
SunflowerHelianthus annuust0
Outcome
Fertiliser application with spatial variable ratee3
Qualifier
will increase yield, quality and decrease fertilisation cost and environmental effectse3

Verbatim

t0

“Determination of Spatial Variability in Sunflower Production”

✓ located verbatim in the source · title, characters 0–60
e3

“Fertiliser application with spatial variable rate will increase yield, quality and decrease fertilisation cost and environmental effects”

✓ located verbatim in the source · abstract, characters 1927–2063

Title

Determination of Spatial Variability in Sunflower Production

Fatih Bakanogulları; Ulaş Ay; Bahattin Akdemir International Journal of Crop Science and Technology 2018. doi:10.26558/ijcst.373589

Other claims from this paper (18)

Mechanism 3

Show all 3 →
Mechanismauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

Planting delay reduced seed weight, which the authors linked to lower grain yield.

Taxon
sunflowerHelianthus annuuse0
Treatment
A delay of the planting datee0
Outcome
seed weighte0
Direction
decreasee0

Verbatim

e0

“A delay of the planting date significantly decreased grain yield of sunflower due to a decrease in the number of seeds per head and in seed weight and seed yield.”

✓ located verbatim in the source · abstract, characters 1469–1631

Title

Influence of plant spacing and sowing time on yield of sunflower (Helianthus annus L.)

Ali Baghdadi; Mohd Ridzwan Abd Halim; Alireza Nasiri; et al. Universiti Putra Malaysia Institutional Repository (Universiti Putra Malaysia) 2014

Other claims from this paper (11)
Mechanismauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

Planting delay reduced seeds per head, which the authors linked to lower grain yield.

Taxon
sunflowerHelianthus annuuse0
Treatment
A delay of the planting datee0
Outcome
number of seeds per heade0
Direction
decreasee0

Verbatim

e0

“A delay of the planting date significantly decreased grain yield of sunflower due to a decrease in the number of seeds per head and in seed weight and seed yield.”

✓ located verbatim in the source · abstract, characters 1469–1631

Title

Influence of plant spacing and sowing time on yield of sunflower (Helianthus annus L.)

Ali Baghdadi; Mohd Ridzwan Abd Halim; Alireza Nasiri; et al. Universiti Putra Malaysia Institutional Repository (Universiti Putra Malaysia) 2014

Other claims from this paper (11)
Mechanismauthor interpretationoriginal resultnegativeprojected

Claim · model-written summary

Water stress was inferred to become the main limitation to sunflower growth at high manure rates.

Taxon
sunflowerHelianthus annuuse0
Treatment
high rates of animal manuree0
Outcome
sunflower growthe0
Qualifier
water stress becomes the main limit factore0

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)

Method / resource 1

Show all 1 →
Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

The crop water stress index threshold at which sunflower seed yield started to decrease was 0.33 from infrared thermometer measurements at irrigation time.

Taxon
sunflowerHelianthus annuuse0
Outcome
Crop water stress index value thresholde0
Value
0.33e0

Verbatim

e0

“Crop water stress index value threshold at which sunflower seed yield started to decrease was calculated as 0.33 using the infrared thermometer measurements at the time of irrigation”

✓ located verbatim in the source · abstract, characters 970–1152

Title

Determination of Irrigation Time Using Plant Water Stress Index Values of Second Crop Sunflower in Semi-Arid Climate Conditions

Ali Beyhan Uçak; Halis Seçme Turkish Journal of Agriculture - Food Science and Technology 2021. doi:10.24925/turjaf.v9i12.2289-2295.4641

Other claims from this paper (5)

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