PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by May Agro Seed Corp.(TR)
also searched as: реина
10 August 2026
The vegetation period of the hybrid is from 90 to 105 days. The plant reaches a height of 160–170 cm, possesses high initial growth energy and the ability to avoid heat stress during the flowering period. The capitulum is medium-sized, convex in shape, and fully declined; the stem does not branch, and the leaves are medium-sized and green.
Oil content in seeds varies from 43% to 52%. The hybrid is resistant to lodging and shedding, and possesses pronounced resistance to Phomopsis, downy mildew, and Sclerotinia. The recommended stand density at the time of harvest is from 45 to 55 thousand plants per hectare depending on the moisture level.
5 jurisdictions
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.
Variety registered as early as 2 jurisdictions, data for which we do not publish: their registry licenses have not yet been verified. This section will be available upon verification.
The variety is listed in the national registry — its seeds are authorized for sale in this country.
№ Reyna_HELIANTHUS ANNUUS L.
№ 217636
№ 06017012
№ 1686/23
№ 014069_A 014069
№ 0282881
The right is granted for a limited term: propagation of the variety requires a license from the rights holder.
Records are sourced from official registry publications. Data sources and legal status
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