The Hysun 266 hybrid was mentioned in a number of research papers, where its yield and oil content indicators appeared in comparative tables along with other sunflower hybrids.
A detailed description of morphological traits, information on maturity group, plant height, or disease resistance for this hybrid is not provided in the public domain. In 2026, the hybrid was removed from official catalogs of agricultural plants.
Sources5
Loading…
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data for which we do not publish: their registry licenses have not yet been verified.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.
Also known as
A single variety may be registered in different countries under different names. All records are consolidated into one profile based on the breeder's code—an internal number that is identical for the variety across all registries.
Hysun 266primaryMD, PT, QM, QZ
HYSUN266IT
The primary name shown is the one under which the variety is registered in the largest number of jurisdictions. Search finds the variety by any of its names.
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.
More about sources