Darklet F₁ 

The plant type is vigorous, compact and very erect with a small base and dark green stalks and leaves. The leaf ribs are full, crisp and have a deep bright green color. The stalks are smooth and tasty, with few or no vanes. Darklet is resistant to "black hearts", "watery stalks" and Phoma. It has an excellent field-holding ability, forms no side shoots and shows a very good tolerance to premature flowering in early sowing or glasshouse production. Recommended planting density: Open field: 220,000 plants/ha (30 x 15 cm). Greenhouse: 160,000 plants/ha (30 x 20 cm). Positioning: Darklet is suitable for both open-field and greenhouse production and is recommended for year-round cropping. Growing technology.

Positioning	Sowing period	Planting period	Harvest period
Open field	April till August	May till September	August / November
Greenhouse	August till April	September till February	November till June