Search claims · PlantClaims

Associationobservedoriginal resultmeasured

Claim · model-written summary

Yield decrease relative to low-stress reference treatments showed a linear relationship to minimum leaf xylem pressure in corn and sunflower

Taxon: Corn and SunflowerHelianthus annuus Zea mays subsp. mayst0
Outcome: Yield decreasee0
Comparator: low-stress reference treatmentse0

Not reportedDirection

Verbatim

t0
“Corn and Sunflower Yield vs Management of Leaf Xylem Pressures”
✓ located verbatim in the source · title, characters 0–62

e0
“Yield decrease, relative to low-stress reference treatments, exhibited linear relationships to minimum levels of leaf xylem pressure that occurred just prior to stress relief”
✓ located verbatim in the source · abstract, characters 476–650

Title

Corn and Sunflower Yield vs Management of Leaf Xylem Pressures

E. C. Stegman Transactions of the ASAE 1983. doi:10.13031/2013.34133

Other claims from this paper (5)

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)

Observation Mean sunflower yield was 2100 kg/ha.
Observation Fertiliser requirement of the sunflower field is not constant.
Observation Fertilisation necessity of the sunflower field is spatially determined.
Recommendation For constant-rate application, 285 kg/ha ammonium sulphate (21%N) is required.
Recommendation For constant-rate application, 115 kg/ha calcium ammonium nitrate (26%N) is required.
Recommendation For variable-rate application, 115 kg/ha calcium ammonium nitrate (26%N) is applied to the whole field.
Recommendation For variable-rate application, 285 kg/ha ammonium sulphate (21%N) is applied to 250 ha.
Recommendation Urea (46%N) is suggested at 130 kg/ha for 100 ha.
Observation Soil texture of the sunflower field is mostly clay, with clay loam and sandy clay loam also present.
Observation Mean soil saturation point in the sunflower field was 57.35%.
Observation Mean soil pH in the sunflower field was 7.30.
Observation Mean soil salt in the sunflower field was 0.07.
Observation Mean soil lime in the sunflower field was 7.63.
Observation Mean soil organic material in the sunflower field was 1.29%.
Observation Mean soil P2O5 in the sunflower field was 18.22.
Observation Mean soil K2O in the sunflower field was 146.05%.
Observation Mean soil field capacity in the sunflower field was 30.34%.
Observation Mean soil wilting point in the sunflower field was 19.18%.

Associationobservedoriginal resultnegativeprojected

Claim · model-written summary

Continuing warming and declining April precipitation were projected to decrease yield.

Taxon: sunflowerHelianthus annuust0
Treatment: increase in temperaturese0
Outcome: yielde0
Direction: decreasinge0
Qualifier: decrease in precipitation in Aprile0

Verbatim

e0
“With the sustained tendency of the last 30 years towards an increase in temperatures and a decrease in precipitation in April, the growing season will keep shortening and the yield decreasing”
✓ located verbatim in the source · abstract, characters 836–1027

t0
“Peredovik sunflower variety”
✓ located verbatim in the source · title, characters 33–60

Title

An analysis of yield dynamics in Peredovik sunflower variety in the conditions of the North Caucasus Region

Liubov Novikova; Vera Gavrilova Biological Communications 2023. doi:10.21638/spbu03.2023.204

Other claims from this paper (8)

Intervention effectobservedoriginal resultnegativenot significant (as stated)measured

Claim · model-written summary

R453 grain yield tended to decrease with increased soil nitrogen.

Taxon: SunflowerHelianthus annuust0
Material: R453e0
Treatment: nitrogen availability was increasede0
Outcome: grain yielde0
Direction: decreasee0
Qualifier: a tendencye0

Not reportedComparator

Verbatim

e0
“R453 genotype did not show significant differences under varying nitrogen availability and exhibited a tendency to decrease grain yield when nitrogen availability was increased”
✓ located verbatim in the source · abstract, characters 1513–1689

t0
“Sunflower (Helianthus annuus L.)”
✓ located verbatim in the source · title, characters 88–120

Title

Ecophysiological and Molecular Analysis of Contrasting Genotypes for Leaf Senescence in Sunflower (Helianthus annuus L.) Under Differential Doses of N in Soil

Daniela E. Becheran; Melanie A. Corzo; Edmundo L. Ploschuk; et al. Plants 2024. doi:10.3390/plants13243540

Other claims from this paper (4)

Observation B481-6 delayed senescence starting at R5.5.
Intervention effect B481-6 intercepted more radiation with increased soil nitrogen.
Intervention effect B481-6 grain yield increased significantly with increased soil nitrogen.
Intervention effect R453 showed no significant differences across soil nitrogen levels.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

The 25-30 mm lower water reserve under antierosive tillage did not decrease the yield of sunflower hybrid Zaporozhskiy 9.

Taxon: sunflowerHelianthus annuuse2
Material: Zaporozhskiy 9e2
Treatment: antierosive tillagee1
Outcome: yielde2
Direction: did not decreasee2
Qualifier: 25-30 mme2
Comparator: conventional plowinge1

Verbatim

e1
“after antierosive tillage, the black steppe soil accumulates less water reserve than after conventional plowing”
✓ located verbatim in the source · abstract, characters 314–425

e2
“the difference which amounted to 25-30 mm, did not decrease the yield of the sunflower hybrid Zaporozhskiy 9”
✓ located verbatim in the source · abstract, characters 436–544

Title

Yield of sunflower on black steppe soil of Ukraine

Igor Aksyonov Helia 2003. doi:10.2298/hel0339161a

Other claims from this paper (2)

Associationobservedoriginal resultmeasured

Claim · model-written summary

Water deficit showed an effect on sunflower oil yield (r=-0.98), a decrease in the same genotype.

Taxon: SunflowerHelianthus annuust0
Treatment: water deficite3
Outcome: oil yielde3
Direction: decreaseinferrede3
Value: r=-0.98*e3

Verbatim

t0
“Sunflower Cultivated in the Cerrado”
✓ located verbatim in the source · title, characters 69–104

e3
“In addition, effect of the water deficit on the oil yield (r=-0.98*) was verified for the same genotype”
✓ located verbatim in the source · abstract, characters 1174–1277

Title

Impacts of Meteorological Attributes on Agronomic Characteristics of Sunflower Cultivated in the Cerrado

Dayana Aparecida de Faria; Dryelle Sifuentes Pallaoro; Murilo Ferrari; et al. Journal of Experimental Agriculture International 2019. doi:10.9734/jeai/2019/v34i530186

Other claims from this paper (9)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Boron applied at R1-R2 at 1.5 l/ha produced the smallest yield decrease, nearly the Check level.

Taxon: SunflowerHelianthus annuust0
Treatment: boron was applied in the R1-R2 phase at a rate of 1.5 l/hae0
Outcome: yielde0
Direction: smallest decreasee0
Comparator: Checke0

Verbatim

e0
“The smallest decrease was observed when boron was applied in the R1-R2 phase at a rate of 1.5 l/ha, where the yield remained almost at the Check level.”
✓ located verbatim in the source · abstract, characters 599–750

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 fertilization decreased sunflower yield in some cases.

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Increasing the share of sunflower in crop rotation was accompanied by a decrease in sunflower yield, in particular due to deteriorated moisture supply.

Taxon: sunflowerHelianthus annuuse1
Treatment: increase in the share of sunflower in crop rotatione1
Outcome: yielde1
Direction: decreasee1
Qualifier: due to the deterioration of moisture supplye1

Verbatim

e1
“The increase in the share of sunflower in crop rotation was accompanied by a decrease in its yield, in particular, due to the deterioration of moisture supply”
✓ located verbatim in the source · abstract, characters 1090–1248

Title

INFLUENCE OF SHORT-TERM CROP ROTATIONS WITH DIFFERENT PROPORTIONS OF SUNFLOWER ON SOIL WATER REGIME

Z. O. Dehtiarova Міжвідомчий тематичний науковий збірник Меліорація і водне господарство 2023. doi:10.31073/mivg202301-349

Other claims from this paper (8)

Recommendationauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

Under limited irrigation, full irrigation at 50% depletion of available water avoids a significant decrease in seed yield; authors recommend it.

Taxon: sunflowerHelianthus annuuse0
Outcome: product seed yielde7

Verbatim

e0
“water use efficiency of sunflower (Helianthus annus L. )”
✓ located verbatim in the source · abstract, characters 325–381

e7
“We therefore recommend that in case of limited irrigation water by %60 by the need of the full irrigation (50 % depletion of available water) without a significant decrease in product seed yield”
✓ located verbatim in the source · abstract, characters 2165–2359

Title

ROLE OF PROLINE ACID IN IMPROVING SUNFLOWER YIELD AND YIELD COMPONENTS UNDER DEFICIT CONDITIONS WATER

Abass & Alag IRAQI JOURNAL OF AGRICULTURAL SCIENCES 2016. doi:10.36103/ijas.v47i2.586

Other claims from this paper (17)

Intervention effect Seed yield at 60% of control irrigation did not differ significantly from the full-irrigation control.
Intervention effect Number of leaves, relative water content and leaf nitrogen concentration at 60% of control irrigation did not differ significantly from control.
Intervention effect Fertilization percentage, seed number per head and 100-seed weight at 60% of control irrigation did not differ significantly from control.
Intervention effect Period from planting to 50% flowering at 60% of control irrigation did not differ significantly from control.
Observation Saving 40% of irrigation water would be possible, about 1920 and 2960 m3 per ha, without yield reduction.
Intervention effect Seed yield at 50% irrigation fell by 14.61% in spring relative to control.
Intervention effect Seed yield at 40% irrigation fell by 19.74% in spring relative to control.
Intervention effect Seed yield at 50% irrigation fell by 21.95% in autumn relative to control.
Intervention effect Seed yield at 40% irrigation fell by 33.33% in autumn relative to control.
Intervention effect Irrigation at 40% and at 60% of control gave the best water use efficiency in both seasons.
Association Proline acid concentration significantly affected most of the studied sunflower traits.
Intervention effect Proline acid at 60 mg/L increased sunflower fertilization percentage compared with control.
Intervention effect Proline acid at 60 mg/L increased sunflower seed yield to 3.75 and 2.21 t/ha compared with control.
Intervention effect Proline acid at 60 mg/L increased 100-seed weight, reported as 7.12 g.
Intervention effect Proline acid at 60 mg/L increased water use efficiency, reported as 0.84 kg seed per m3 water.
Association The interaction of irrigation and proline acid significantly affected all seed yield component traits in both seasons.
Recommendation Treating sunflower with proline acid at 60 mg/L is recommended to improve capacity against water stress.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

At 75 and 150 mM NaCl, XF-4619 shoot dry matter yield decreased by 13% and 50% relative to the control.

Taxon: SunflowerHelianthus annuuse1
Material: XF-4619e2
Treatment: 75 and 150 mM NaCle2
Outcome: shoot dry matter yielde2
Direction: decreasee2
Value: 13 and 50%e2
Comparator: controle2

Verbatim

e1
“Sunflower growth deceased drastically with increasing concentration of NaCl in root medium”
✓ located verbatim in the source · abstract, characters 510–600

e2
“XF-4619 exhibited 14 and 53% decrease in shoot fresh weight, 11 and 35% decrease in root fresh weight, 6 and 34% decrease in stem length, 12 and 34% decrease in stem diameter, 10 and 40% decrease in leaf area, 2 and 31% decrease in root dry matter and 13 and 50% decrease in shoot dry matter yield at 75 and 150 mM NaCl, respectively, as compared with the control”
✓ located verbatim in the source · abstract, characters 798–1161

Title

EVALUATION AND PERFORMANCE OF DIFFERENT COMMERCIAL SUNFLOWER HYBRIDS UNDER SALINE CONDITIONS

Arshad Ali; Muhammad Salim 2001

Other claims from this paper (12)

Intervention effect Increasing NaCl concentration in the root medium drastically decreased sunflower growth.
Observation Hybrid XF-4619 registered the maximum shoot and root fresh weight.
Observation Hybrid XF-4619 registered the maximum stem diameter and leaf area.
Intervention effect Hybrid XF-4619 showed the least decrease in these parameters under saline conditions.
Intervention effect At 75 and 150 mM NaCl, XF-4619 shoot fresh weight decreased by 14% and 53% relative to the control.
Intervention effect At 75 and 150 mM NaCl, XF-4619 root fresh weight decreased by 11% and 35% relative to the control.
Intervention effect At 75 and 150 mM NaCl, XF-4619 stem length decreased by 6% and 34% relative to the control.
Intervention effect At 75 and 150 mM NaCl, XF-4619 stem diameter decreased by 12% and 34% relative to the control.
Intervention effect At 75 and 150 mM NaCl, XF-4619 leaf area decreased by 10% and 40% relative to the control.
Intervention effect At 75 and 150 mM NaCl, XF-4619 root dry matter decreased by 2% and 31% relative to the control.
Observation XF-4619 took up Ca and K efficiently in both saline and non-saline root medium.
Association XF-4619 is indicative of better yield potential than the other commercial sunflower hybrids.

“yield decrease”

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