PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by Remy ROUANET
also searched as: лг50550 клп
10 August 2026
The hybrid belongs to the mid-early maturity group with a growing season of 105–110 days. The plant reaches a height of 155–177 cm, and the head diameter is 15–17 cm. The thousand kernel weight averages 70–73 g.
The variety possesses high resistance to lodging, cold tolerance, and intensive initial growth energy. Genetic resistance includes a complex of tolerance to phomopsis, phoma, sclerotinia, downy mildew, and broomrape races A–G.
When cultivating using intensive technology, the recommended planting density at the time of harvest is 45–50 thousand plants per hectare in regions with insufficient moisture and up to 55 thousand plants per hectare in regions with sufficient moisture.
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.
The variety is listed in the national registry — its seeds are authorized for sale in this country.
№ 216248
№ 021107_A 021107
№ 20039071
№ 5150/1011.2021
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
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Nearby in the species list LG50530 CLP, LG50531 CLP, LG50532, LG50537, LG50539 SX, LG50540 CLP, LG50541 CLP, LG50542, LG50545 CLP, LG50547, LG50551 CLP, LG50554 CLP, LG50557 CLP, LG50558 CLP, LG50559 SX, LG50564 CLP, LG50569 SX, LG50572 CLP, LG50573, LG50574