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“yield decrease”

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Organism: Helianthus annuus ✕

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%.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Mycorrhizal fungi compensated grain yield decrease by 29%.

Taxon: SunflowerHelianthus annuust0
Treatment: applying mycorrhizal fungie0
Interactor: mycorrhizal fungie0symbiont
Outcome: grain yield decreasee0
Direction: compensatede0
Value: 29%e0

Not reportedComparator

Verbatim

e0
“Results showed that seed yield reduced the by 42% under weedy conditions and applying mycorrhizal fungi compensated the grain yield decrease by 29%.”
✓ located verbatim in the source · abstract, characters 677–825

t0
“Sunflower”
✓ located verbatim in the source · title, characters 115–124

Title

Interaction Effect of Arbuscular Mycorrhiza and Redroot Pigweed (Amaranthus retroflexus L.) on Growth and Yield of Sunflower under Water Stress Conditions

Karami, Meysam; Kazemeini, Seyed Abdolreza; Zarei, Mehdi; et al. Journal of Crop production and processing 2020. doi:10.47176/jcpp.9.4.202711

Other claims from this paper (12)

Intervention effect Weeds reduced sunflower seed yield by 42%.
Intervention effect Weeds reduced seed yield reductions by 35.
Intervention effect Weeds reduced seed yield reductions by 52%.
Intervention effect Mycorrhizal fungi compensated grain yield loss by 4.
Intervention effect Mycorrhizal fungi compensated grain yield loss by 51%.
Intervention effect Weeds reduced oil yield by 57.
Intervention effect Weeds reduced biological yield by 36.
Intervention effect Weeds reduced harvest index by 25%.
Intervention effect Mycorrhizal fungi compensated oil yield by 63.
Intervention effect Mycorrhizal fungi compensated biological yield by 25.
Intervention effect Mycorrhizal fungi compensated harvest index by 20%.
Recommendation Mycorrhiza may improve sunflower growth and yield under water stress and weeds.

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 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)

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.

Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Coefficient of variability declined as plot size increased.

Taxon: SUNFLOWERHelianthus annuust0
Outcome: coefficient of variability (CV%)e0
Direction: decreasee0
Comparator: plot size (x)e0

Verbatim

e0
“As plot size (x) increased the vari‌ance per basic unit (Vx) and coefficient of variability (CV%) tended to decrease.”
✓ located verbatim in the source · abstract, characters 456–573

t0
“SUNFLOWER YIELD TRIALS”
✓ located verbatim in the source · title, characters 58–80

Title

OPTIMUM PLOT SIZE, SHAPE AND NUMBER OF REP- LICATIONS FOR SUNFLOWER YIELD TRIALS

SAED M. NASR Egyptian Journal of Agricultural Research 1998. doi:10.21608/ejar.1998.359112

Other claims from this paper (10)

Association Variance per basic unit declined as plot size increased.
Observation Soil heterogeneity index was 0.739 in 1996.
Observation Soil heterogeneity index was 0.698 in 1997.
Observation Mean soil heterogeneity index was 0.718.
Method / resource Smith method estimated an optimum plot size of 4.159 to 5.095 m2.
Method / resource Maximum curvature estimated optimum plot size as 11.326 m2.
Association Plot shape and direction affected variance.
Observation Plot shape mattered for small plots.
Recommendation Long narrow plots were recommended.
Association Increasing replication improved detection of mean differences more than increasing plot size.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

N,P treatment decreased sunflower empty husk rate.

Taxon: sunflowerHelianthus annuuse0
Treatment: N,P treatmente0
Outcome: sunflower rate of empty huskse0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“N,P treatment and N,P,K treatment can decrease sunflower rate of empty husks.”
✓ located verbatim in the source · abstract, characters 240–317

Title

Effect of Potassium Fertilizer on Sunflower Yield

Yu Hong Northern Horticulture 2010

Other claims from this paper (5)

Intervention effect Fertilizer application significantly increased sunflower yield over CK.
Intervention effect N,P,K treatment decreased sunflower empty husk rate.
Intervention effect N,P treatment increased sunflower yield 37.2% versus CK.
Intervention effect N,P,K treatment increased sunflower yield 73.0% versus CK.
Recommendation Authors concluded balanced N,P,K supply gave the best sunflower yield, quality and benefit.

Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Variance per basic unit declined as plot size increased.

Taxon: SUNFLOWERHelianthus annuust0
Outcome: vari‌ance per basic unit (Vx)e0
Direction: decreasee0
Comparator: plot size (x)e0

Verbatim

e0
“As plot size (x) increased the vari‌ance per basic unit (Vx) and coefficient of variability (CV%) tended to decrease.”
✓ located verbatim in the source · abstract, characters 456–573

t0
“SUNFLOWER YIELD TRIALS”
✓ located verbatim in the source · title, characters 58–80

Title

OPTIMUM PLOT SIZE, SHAPE AND NUMBER OF REP- LICATIONS FOR SUNFLOWER YIELD TRIALS

SAED M. NASR Egyptian Journal of Agricultural Research 1998. doi:10.21608/ejar.1998.359112

Other claims from this paper (10)

Association Coefficient of variability declined as plot size increased.
Observation Soil heterogeneity index was 0.739 in 1996.
Observation Soil heterogeneity index was 0.698 in 1997.
Observation Mean soil heterogeneity index was 0.718.
Method / resource Smith method estimated an optimum plot size of 4.159 to 5.095 m2.
Method / resource Maximum curvature estimated optimum plot size as 11.326 m2.
Association Plot shape and direction affected variance.
Observation Plot shape mattered for small plots.
Recommendation Long narrow plots were recommended.
Association Increasing replication improved detection of mean differences more than increasing plot size.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

N,P,K treatment decreased sunflower empty husk rate.

Taxon: sunflowerHelianthus annuuse0
Treatment: N,P,K treatmente0
Outcome: sunflower rate of empty huskse0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“N,P treatment and N,P,K treatment can decrease sunflower rate of empty husks.”
✓ located verbatim in the source · abstract, characters 240–317

Title

Effect of Potassium Fertilizer on Sunflower Yield

Yu Hong Northern Horticulture 2010

Other claims from this paper (5)

Intervention effect Fertilizer application significantly increased sunflower yield over CK.
Intervention effect N,P treatment decreased sunflower empty husk rate.
Intervention effect N,P treatment increased sunflower yield 37.2% versus CK.
Intervention effect N,P,K treatment increased sunflower yield 73.0% versus CK.
Recommendation Authors concluded balanced N,P,K supply gave the best sunflower yield, quality and benefit.

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“yield decrease”

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