Kohlrabi

Brassica oleracea var. gongylodes

Kohlrabi (Brassica oleracea var. gongylodes) is a crop receiving significant attention due to its unique appearance and diverse nutritional value.

Growth Characteristics- Plant Morphology: It is a biennial plant belonging to the cabbage family, characterized by its distinctive spherical stems.
- Growth Conditions: It thrives in temperate climates and exhibits optimal growth within a temperature range of 10–25°C.
- Soil: It prefers well-drained soil and grows well in slightly acidic to neutral soils with a pH of 6.0–7.5.
- Sunlight: It requires at least 6 hours of sunlight per day.

Propagation Methods- Seed Propagation: It is primarily propagated by seeds, with a germination temperature of approximately 15–20°C. The germination period is typically 5–10 days.

Cultivation Methods - Sowing Season: It is generally sown in spring and autumn. 2. Spacing: When sowing, maintain a spacing of approximately 20–30 cm between plants.
 - Watering: Consistent moisture supply is necessary, but avoid waterlogging.
 - Fertilization: Apply appropriate amounts of nitrogen, phosphorus, and potassium fertilizers during the growing season.
 - Harvesting: Generally, harvest between 55 and 70 days after sowing; the optimal time is when the stems have grown to a size of 5–10 cm.

Uses in the Garden
- Due to its unique appearance, it can also be used as a decorative plant in the garden.
- It is best placed in a section of a vegetable patch alongside other vegetables.

Important Pests and Control Methods
- Diseases:
- Black Spot: Preventable through proper ventilation and humidity control.
- Downy Mildew: If it occurs, use a fungicide and remove the affected parts.
- Pests:
- Cabbage Worm: In the early stages, remove them by hand or use organic pesticides. - Kale worms: Eliminate them by utilizing natural predators or using soapy water.

This allows you to grow healthy kohlrabi and protect them from pests and diseases. Thorough management and periodic observation are required during cultivation.

Plant Type
Plant Family	Cruciferae
Height	20∼40cm
Spread
Colors	yellow
Bloom Period	May to August
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-10°C

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Brassica oleracea var. italica

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Brassica oleracea var. gemmifera