Cultivation Techniques of White Melon in Greenhouse

1. Cultivation technology

1. Site selection and site preparation should choose the surrounding open and new sandy land with superior microclimate as cultivation land. In the autumn of last year, the base fertilizer was applied according to the seeding line. The dosage was 2000 kg of decomposed cow dung, 25 kg of diammonium phosphate, 100 kg of oil residue or bean dregs, and 30 kg of phosphate fertilizer per acre. Spray enough water to save for later use.

2. Varieties choose small ripe red flesh white orchid melon, large ripe white orchid melon, yellow river honey and other varieties. Large-mature white orchid melon is a thick non-reticulated melon and is the main cultivated variety.

3. The span and length of the plastic shed to be built depends on the plot. Generally, the width is 3.5 to 5.5 meters, and the length is 70 to 90 meters. Fasten the greenhouse 7 to 10 days before planting to facilitate the rise of ground temperature, and prepare enough bamboo poles and film for planting rows to build small sheds. The film used in the greenhouse can generally be used for two seasons.

4. Timely sowing Seed sowing in early March is advisable, first wrap the seeds with gauze, soak the seeds in 55℃ warm water, and let them cool naturally in warm water. After 12 hours, rinse with clean water, and place the seed-containing container at a constant temperature of 25°C to 30°C to accelerate germination. After reaching the germination standard, sowing seeds.

2. Field management

1. Seedling management begins to emerge about 10 days after sowing. Miao Qi usually arrives in about 2 weeks. As the seedlings grow up and the temperature rises, the greenhouse should be ventilated during the day.

2. Sunman 3-1 pruning method is adopted for the cultivation of auxiliary pollination white orchid in greenhouse. Artificial pollination should be used during flowering to ensure normal setting of the melon.

3. Ventilation The time and intensity of ventilation should be determined according to the different growth stages of the white melon and the weather conditions of the day. The seedling period is in early spring, the weather factors outside the shed are changeable, and the ventilation should be less.

4. Temperature management generally requires 30℃~35℃ in the shed during the day, and the lowest temperature at night should not be lower than 15℃. After the fruit is set, in order to promote fruit expansion and sugar accumulation, ventilation should be increased during the day.

5. Timely harvest the white melon fruit. If the skin color of the touched part of the white melon fruit has changed to milky white and shiny, and the yellow river honey has changed to orange or golden yellow, the fruit is fully mature and ready for harvest.

Three, pest control

The main goal of damping-off control should be to cultivate strong seedlings, and do a good job of rotation and stubble to improve plant resistance. It can also be controlled by spraying roots with tricortisone solution.

Aphids can be controlled with aphid net aerosol, or sprayed with 1000 times dimethoate.

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