PR 63 A 90
ActiveHelianthus annuus L. · Sunflower
Soper, John
Helianthus annuus L. Sunflower · Agricultural · bred by Rotaru Igor Tudor, Rotaru Vitalie Tudor, Rotaru Tudor Grigore,
also searched as: регина кл
10 August 2026
The Regina CL hybrid is intended for commercial cultivation using Clearfield technology with the application of imazamox-based herbicides, which ensures control of weeds and broomrape. The vegetation period is 105–110 days, and plant height reaches 165–170 cm.
The yield of the hybrid is 3.8–4.5 t/ha. The fat content in the seeds is within the range of 49–52%, and the thousand kernel weight is 60–80 g. The recommended sowing density is 55,000 – 60,000 plants per hectare. The hybrid possesses resistance to the main sunflower diseases and all races of broomrape.
2 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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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.
№ 0283014
№ 13039022
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 Rea, Reactor, Reall, Reasun, Rebecca, Recital, Redis, Reflex, Regal, Regia, Reginal, Regisol, REGUS, Rehion, Rehistr, Reiv, Rekol`d, Relax, Rembo, Remi