Variety traits
Helianthus annuus L.
Sunflower achene shattering is a key breeding trait that determines yield losses during mechanical harvesting. It is assessed as the percentage of fallen achenes under simulated combine impact.
In the reference 142 varieties crop Sunflower, where this is mentioned in the description.
To evaluate shattering, capitula at the physiological maturity stage are dropped face down from a height of 70 cm, after which the percentage of fallen seeds relative to the total count is calculated. Depending on the obtained values, hybrids and lines are classified as having low (0.6–1.6%), medium (3.7–8.2%), or high shattering.
A high level of shattering leads to significant yield losses during combine harvesting, especially under adverse weather conditions with high humidity prior to harvest. Morphologically, plants with a convex-shaped capitulum are often the most resistant to shattering, although no stable correlation with capitulum height or diameter has been identified.
General information about the subject — on the page Shattering.
Selection based on the description text, not on official evaluation: these data are absent from registers. For specific variety details, please refer to its profile.
Helianthus annuus L. · Sunflower
Sadik El Sayed
Helianthus annuus L. · Sunflower
May Agro Seed Corporation (TR)
Helianthus annuus L. · Sunflower
SOLTIS S.A.S
Helianthus annuus L. · Sunflower
Syngenta Crop Protection AG
Helianthus annuus L. · Sunflower
Miklie Vladimir, Jocie Sinisa, Cvejie Sandra,
Helianthus annuus L. · Sunflower
Ukrainian Scientific Institute of Plant Breeding (VNIS) LLC
Helianthus annuus L. · Sunflower
Olivier Soulie
Helianthus annuus L. · Sunflower
Verneuil Recherche (FR)
Helianthus annuus L. · Sunflower
UPL FRANCE
Helianthus annuus L. · Sunflower
Pierre GARRAUD
Helianthus annuus L. · Sunflower
Steve Thompson
Helianthus annuus L. · Sunflower
Verneuil Recherche SA (FR)
Helianthus annuus L. · Sunflower
PIONEER OVERSEAS CORPORATION
Helianthus annuus L. · Sunflower
Saaten Union, RO
Helianthus annuus L. · Sunflower
Vronskikh Mykhailo Dmytrovych, Lesnik Volodymyr Stepanovych, Rantsev Dmytro Vasyl`ovych, Odynets` Serhii Ivanovych, Schudria Larysa Ivanivna, Kutischeva Nataliia Mykolaivna, Lytovchenko Borys Kyrylovych,
Helianthus annuus L. · Sunflower
MAY AGRO SEED COPR.
Helianthus annuus L. · Sunflower
LABOULET SEMENCES
Helianthus annuus L. · Sunflower
RAGT 2N S.A.S
Helianthus annuus L. · Sunflower
SAATEN UNION ROMANIA S.R.L.
Helianthus annuus L. · Sunflower
LABOULET SEMENCES
Helianthus annuus L. · Sunflower
Euralis Semences
Helianthus annuus L. · Sunflower
HIBRISOL S.L.
Helianthus annuus L. · Sunflower
RUSTICA (FR)
Helianthus annuus L. · Sunflower
Dusanic Nenad, Miklik Vladimir, Gvozdenovic Sandra, Jocic Sinisa,