The Yucaipa variety belongs to the iceberg lettuce category. It possesses resistance to lettuce root aphid (Nasonovia ribisnigri, biotype Nr:0). In studies conducted in 2024, the variety demonstrated variable market suitability under conditions of Fusarium wilt infestation.
Specific morphological characteristics, such as head size and density, as well as maturity dates, are not available in open sources.
Sources3
Loading…
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.
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data for which we do not publish: their registry licenses have not yet been verified.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
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