The sunflower hybrid Hysun 321 PR is officially approved for circulation and seed certification. Detailed information on maturity group, plant height, potential yield, and oil content is absent from open sources.
In scientific publications, this hybrid was mentioned in the context of field studies on susceptibility to Sclerotinia (head rot). A comprehensive assessment of lodging resistance or resistance to specific pathogens is not presented in the available materials.
Sources4
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Countries of admission
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.
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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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