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: манесса
10 August 2026
The Manessa RZ F1 hybrid (code 30-WC744 RZ) is characterized by high growth vigor and a powerful leaf apparatus. The heads have a uniform internal structure, their weight varies from 1.7 to 4.0 kg at a recommended planting density of 33,000 plants per hectare.
The plant possesses resistance to Fusarium wilt (HR: Foc:1). The variety is suitable for cultivation in the open field, including under covering material, is distinguished by a long "harvest window," and is intended primarily for fresh consumption and salad production.
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.
The variety is listed in the national registry — its seeds are authorized for sale in this country.
№ 296842
№ KWI834
Records are sourced from official registry publications. Data sources and legal status
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Nearby in the species list Mailman, Maja, Majic, Major, Małgosia, MAN 20, Manama, Mandarin, Mandi F1, Mandy, Manouk, Manrico, Manta, Manto, Marabou, Marabou F1, Marathon, Marcanta, Marcelina, Marcello