PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by NORTHRUP KING
also searched as: кс 2578
10 August 2026
The form is classified as resistant to the sunflower stem weevil (Cylindrocopturus adspersus LeConte). Under field conditions, the infestation level by this pest was about 10%.
The material is used in breeding programs aimed at creating hybrids possessing resistance to the specified pest. Information on the morphological and economic traits of the variety is unavailable in accessible sources.
1 jurisdiction
Green indicates countries where the variety is listed in the national catalogue and its seeds are authorized for sale. Expired registrations are marked separately: the variety was previously admitted, but sale is no longer permitted.
The variety is listed in the national registry — its seeds are authorized for sale in this country.
№ 19880429
Records are sourced from official registry publications. Data sources and legal status
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Same species
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NORTHRUP KING
Helianthus annuus L. · Sunflower
NORTHRUP KING
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Northrup King Semences SA (FR)
Nearby in the species list Wolverine, WONDER, Wonder CLP, WTA 1, WTB 1, X 1733, X 1739, X 2293 PROV., X 2453, X 2476, X 266, X 271, X 2785 PROV., X 2894 PROV, X 32 A, X 3993, X 4219, X 4237, X 4337, X 4413 V