How to control watermelon acute physiological wilting?

The main results are as follows: 1. The prevention and control of acute physiological wilt of watermelon should start with protecting and promoting root growth, coordinate the relationship between root growth and stem and leaf growth, and maintain plant water metabolism balance.

2. After planting slow seedlings of watermelon, it is necessary to properly reduce the night temperature in the greenhouse, increase the temperature difference between day and night, control the aboveground growth and promote the deep root system.

3. Do not use immature manure when planting watermelon, and do not use too much chemical fertilizer at one time.

4. in case of continuous cloudy and rainy days, return to the curtain to shade during the high temperature period at noon after clearing up, and remove the grass curtain after relaxation. Do not rush to ventilate. If wilting has occurred, you can spray water into the air, increase air humidity, or spray water directly to the plant.