Deutsche Saatveredelung AG (DSV)
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Oil radish (Raphanus sativus)

Black number one

BLACK JACK is named after its distinctive black root. The variety has two nematode resistances, namely against Heterodera schachtii, category 1, and against Meloidogyne chitwoodi. Registered in Germany, BLACK JACK, a very late type, is the variety with the lowest tendency for flowering. This, combined with very slow and low growth, ensures that this variety has a very low to low tendency for lodging.

Planting tips
Sowing rate 20-25 kg/ha
Sowing date Begin of august till end of august
Usage Green manuring
Special characteristics Double resistance


Official German variety list 2016 (Beschreibende Sortenliste 2016)

Dry matter production at the beginning2 (very low to low)
Tendency for flowering2 (very low to low)
Tendency for lodging 2 (very low to low)
Susceptibility for beet nematodes1 (absent or very low)
All specified information is given to the best of our knowledge and belief, but without guarantee on completeness and correctness. Despite care we cannot guarantee that the described characteristics are repeatable / comprehensive in agricultural practice in each case. Deutsche Saatveredelung AG excludes adhesion for damage or claims for damages, resulting of the use for the variety specified in this description.