The 9661 A line was developed at the Trakya Agricultural Research Institute (TARI). It is not a commercial variety but serves as breeding material.
In scientific research, this line is classified as drought-sensitive based on the drought factor index (DFI). It is used in work focused on the interspecific hybridization of sunflower with wild species, such as Helianthus annuus and Helianthus argophyllus, to study their genetic potential.
Detailed morphological descriptions, including data on resistance to diseases or lodging, are not publicly available. The main focus in the literature is on the physiological responses of the line, in particular, chlorophyll fluorescence under stress conditions.
Sources5
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Countries of admission
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.
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data for which we do not publish: their registry licenses have not yet been verified.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.
Variety in registries
Regions of admission, rights holders, and status of plant breeders' rights
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