ULTRA
ks43 (Lactuca sativa)
Large, glossy-green heads. Robust and vigorous growth. Resistant to mildew of the strains 1-12.
Type: spring, summer
Colour: green
Leaf colour: glossy light green
Temperature requirements: medium
Nutrient requirements: medium
Recommended crop rotation: 3 years
Sowing calendar
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| Indoor sowing |
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| Outdoor sowing |
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| Harvest |
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Explanations
Pelleted seeds (pills). The seeds are coated with mineral fillers. The aim is to standardise size and shape to facilitate (technical) sowing. The biocompatible pills are sold per piece.
Conservation Breeding: For this variety Sativa practices conservation breeding in Rheinau. To ensure high-quality varieties, they must be maintained. They are regularly replicated and selected by their positive characteristics. In doing so the varieties are continually improved and adapted to growing conditions.