The bitter gourd has a well-developed root system, stems, and strong branching ability. Seed germination temperature 30 °C -35 °C, seedling growth suitable temperature 20 °C -25 °C, flowering results suitable temperature 25 °C -30 °C. The length of the light is not strict, and the flowering result requires strong light; the bitter gourd is warm and the heat is not cold.
Variety selection
Choose green or white varieties with strong growth potential, strong branching ability, heat resistance, disease resistance and high yield, and suitable for local consumption habits.
Cultivation Techniques
1. Sowing seedlings: soaking seeds before sowing, germination, put the seeds into the wet sand, after the seedlings into the nutrients culture. Bitter gourd is a short-day crop, and it controls about 8 hours of sunshine throughout the seedling stage to promote female flower differentiation. Seedling age 34-45 days, when there are 5-6 true leaves can be planted, 10 days before colonization began hardening seedlings. Nursery sheds maintain a temperature of 25°C-30°C during the day and 15°C-18°C during the night, with less watering. From the two true leaves of the seedlings began to increase with the bitter gourd production treatment, once every 3-4 days, a total of 3 times.
2. Timely planting: In the greenhouse, the soil temperature is stable above 10°C. When the temperature in the shed is not lower than 0°C, planting can be achieved. When composting, apply 6-8 kg of farmyard fertilizer per square meter, 100 g of superphosphate and 30 g of potassium sulfate, then plow the soil to make sorghum, cover the mulching film, and put drip irrigation pipe under the membrane to satisfy the plant pair. The demand for water can also reduce the air humidity in the shed. Two plants were planted on a row, with a 60-130 cm spacing, a 45-65 cm plant spacing, and 1000-1500 planting acres. Practice shows that bitter gourd and cabbage lettuce (or other leafy vegetables) interplanting effect is very good, spacing 60 cm, bitter gourd plant spacing 50 cm, lettuce lettuce spacing 25 cm or so, early harvest 1 wolfberry leaf increase income.
3. Field management: After the planting, no mulching film shall be cultivated and weeded in time. When the plants enter the vigorous growing season, they should always be watered to keep the soil moist. After the vines were hauled, they were promptly supported by ziggial melons, and the lateral buds and lateral branches below 50 cm from the ground were promptly removed to give full play to the advantage of the main vine. After the first melon, the collaterals of the base can also be removed, and excess female and female flowers can be eliminated promptly. Between the melon and the melon there are 2-3 joints. Tied around 5 times. After harvesting two fruits, see if there are female flowers in the lateral branches 1-3, and keep them without clipping. Two prunings are also required during the fruit period.
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