PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by Remy ROUANET
also searched as: лг50529 скс
10 August 2026
The hybrid is characterized by an average plant height of about 165 cm and a convex head with a diameter of 17.5 cm. The thousand kernel weight averages 63 g, and the oil content in seeds varies from 45 to 50%. The plant possesses high initial growth vigor and drought tolerance.
The variety possesses genetic resistance to downy mildew and broomrape races A–G. It shows high tolerance to phomopsis, head and root sclerotinia, charcoal rot and dry rot, as well as phoma. Lodging resistance is estimated at 7 points out of 9.
The hybrid is intended for intensive and conventional cultivation technologies in the Steppe and Forest-Steppe zones. The recommended plant density at harvest time is from 45 to 55 thousand plants per hectare depending on the moisture level of the zone.
6 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.
The variety is listed in the national registry — its seeds are authorized for sale in this country.
№ 218R155
№ 18039062
№ 020261_A 020261
№ 4071016
№ 5146/1011.2021
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
The directory replicates the primary source. If an entry differs from the official publication, please specify the discrepancy and provide a link if possible. Corrections are added to the moderation queue.
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Nearby in the species list LG50512, LG50513, LG50515, LG50517, LG50520, LG50524 CLP, LG50525, LG50526 CLP, LG50527, LG50528 CL, LG50530 CLP, LG50531 CLP, LG50532, LG50537, LG50539 SX, LG50540 CLP, LG50541 CLP, LG50542, LG50545 CLP, LG50547