Hysun 321 (also known as Hysun 321 PR) belongs to oilseed sunflower hybrids. This hybrid is mentioned in scientific literature in the context of assessing its apical value for honey bees and in experiments studying the influence of plant density on productivity indicators.
Detailed morphological descriptors, such as plant height, exact maturity group, or quantitative disease resistance indicators, are absent from open publications. The variety belongs to early breeding developments, which is confirmed by data from official registration lists.
Sources6
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Countries of admission
3 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data for which we do not publish: their registry licenses have not yet been verified.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.
Variety in registries
Regions of admission, rights holders, and status of plant breeders' rights
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This is a directory, not an official registry: data is based on public disclosures and may have changed.
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