Grand Slam
ActiveBrassica oleracea L. (White Cabbage Group) · White cabbage
Yusuke KATO, JP
Brassica oleracea L. (White Cabbage Group) White cabbage · Vegetables · bred by Rijk Zwaan Zaadteelt en Zaadhandel B.V.
also searched as: секома
10 August 2026
Secoma (Secoma RZ F1) is a mid-late hybrid with a vegetation period from 90 to 110 days. The plant forms round-shaped heads weighing 2.0–6.5 kg with a short internal core. The outer leaves have a saturated green color and a strong waxy bloom; the inner leaves are characterized by uniform layering.
The hybrid possesses resistance to bacterial rot and Fusarium wilt and is capable of growing in drought conditions. The variety is versatile in use: suitable for fresh market sale, short-term storage, and processing, including fermentation. Developed without the use of cell fusion methods.
The plant is suitable for various climatic zones; in southern regions, cultivation in the second rotation is possible.
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Variety registered as early as 1 jurisdiction, data for which we do not publish: their registry licenses have not yet been verified.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.
The variety is listed in the national registry — its seeds are authorized for sale in this country.
№ 255573
№ KWI626
№ 58358
№ 12028002
Records are sourced from official registry publications. Data sources and legal status
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
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GOLDEN WEST SEED RESEARCH Co.
Nearby in the species list Scanida, Scanner, Scanta, Scanvi, Scimitar, Scirocco, Scopar, Score, Scorpio, Scout, Selantis, Selecta, Selma, Selma F1, Selma F1 / Selma F1, Semko IUvileinyi, Semko IUvileinyi 217 F1, Senechal, Seng 9002, Seng 9003