Search claims · PlantClaims

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%.

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)

Recommendation Own seed production of Bulgarian sunflower hybrids is a partial solution to sunflower production problems.

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%.

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.

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

Plant density of 10 plants/m2 could be recommended to decrease seed consumption.

Taxon: SunflowerHelianthus annuust0
Outcome: 10 plants/m2e6

Verbatim

t0
“Sunflower”
✓ located verbatim in the source · title, characters 60–69

e6
“Therefore, to decrease seed consumption, it seems that 10 plants/m2 could be recommended”
✓ located verbatim in the source · abstract, characters 1194–1282

Title

Effect of Plant Density on Yield and Quality Traits of Four Sunflower Genotypes

Z. Emami Bistgani; S. A. Siadat; A. Bakhshande; et al. DOAJ (DOAJ: Directory of Open Access Journals) 2011

Other claims from this paper (5)

Associationobservedreview summarynegativebasis n/a

Claim · model-written summary

Oil content of sunflower decreases as nitrogen fertilizer raises yield.

Taxon: SunflowerHelianthus annuust0
Treatment: nitrogen fertilizere2
Outcome: oil contentse2
Direction: decreasee2

Verbatim

t0
“Sunflower performance”
✓ located verbatim in the source · title, characters 0–21

e2
“generally as yields increase in response to nitrogen fertilizer there is a corresponding decrease in oil contents”
✓ located verbatim in the source · abstract, characters 665–778

Title

Sunflower performance — Agronomic aspects

Alvin J. Jarvi Journal of the American Oil Chemists Society 1983. doi:10.1007/bf02702090

Other claims from this paper (10)

Observation Plant populations of 35,000 to 60,000 per hectare are used in the major sunflower production areas.
Observation Sunflower planting depth ranges from 3 cm to 10 cm depending on soil moisture.
Association Sunflower yields increase in response to nitrogen fertilizer.
Recommendation Adequate weed control is very important during the first three weeks after sunflower emergence.
Observation Sunflower is frost-tolerant at the seedling stage and after flowering.
Observation Sunflower is most susceptible to frost during the period of rapid growth and flowering.
Observation Sunflower is not highly drought-resistant.
Observation Sunflower effectively utilizes soil moisture to a depth of over 2 m.
Association Sunflower performance is influenced by cultivar, environment and their interaction.
Recommendation Good agronomic practices lead to optimum use of the sunflower growing season.

Recommendationauthor interpretationoriginal resultpositivebasis n/a

Claim · model-written summary

The authors recommend against planting race E resistant hybrids in race G infested fields because yield decreases greatly.

Taxon: sunflowerHelianthus annuuse1
Material: race E resistant hybridse0
Interactor: Orobanche cumana Wallr.Orobanche cernua var. cumanae2parasite
Outcome: not recommended to plant race E resistant hybridse0
Qualifier: very high yield decreasee0

Verbatim

e0
“For the host spots infested with race G is not recommended to plant race E resistant hybrids because of the very high yield decrease.”
✓ located verbatim in the source · abstract, characters 1974–2107

e1
“sunflower crop”
✓ located verbatim in the source · abstract, characters 86–100

e2
“Broomrape (Orobanche cumana Wallr.)”
✓ located verbatim in the source · abstract, characters 0–35

Title

RESEARCH REGARDIG THE VIRULENCE OF BROOMRAPE PARASIT (OROBANCHE CUMANA WALLR.) IN SOUTHEASTERN OF ROMANIA

G. Dicu; Elena Andreea Teodorescu; N. Boaghe; et al. 2011

Other claims from this paper (4)

“yield decrease”

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