The name «Duna» is mentioned in scientific research as a designation for a sunflower genotype. This genotype is classified as a variety with moderate drought tolerance and often acts as a comparison object when studying yield, product quality, and other plant characteristics.
A sunflower variety named «Kék Duna» (translated as «Blue Danube»), which belongs to the food-grade category, is officially registered in the Hungarian national variety registers. A direct registration of the variety specifically under the name «Duna» is not confirmed in official registers.
Sources2
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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 2
jurisdictions,
data for which we do not publish: their registry licenses have not yet been verified.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
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.
This is a directory, not an official registry: data is based on public disclosures and may have changed.
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