From July to August every year, the fruits and vegetables in the fields often suffer from viral diseases due to high temperature and fire. The onset of fruit and vegetable performance showed that the shoots were not growing. The young leaves were yellowed and shrivelled. If the damage was serious, the flowers and fruits would shrink. Therefore, in the hot season, attention should be paid to the prevention and control of fruit and vegetable virus disease. For fruit and vegetable virus disease, comprehensive prevention and control measures should be taken.

First, increase the application of phosphorus and potassium fertilizers to promote plant growth and robustness.

Second, the pepper and other fruits and vegetables, to change the single plant per hole for each hole 2 - 3 strains of cultivation, to increase the shade to each other. It is also possible to plant high-stem shade crops in the fields or cover them with shade nets.

Third, if there is a virus in fruit crops in the field, in the field management, the healthy strain should be operated first, and then the diseased plant should be handled; the severely ill strain should be removed and buried in a timely manner. After handling the diseased plants, hands and instruments must be washed with detergent.

Fourth, for disease-free fruits and vegetables, can be used to increase the resistance of 100 times to 150 times and 1000 times Zhi Yibao II 1000 times mixed liquid spray control, every 7 days - 10 days prevention and control, continuous control 2 - 3 times. For the diseased fruits and vegetables, available 400 times lobular enemy and planted Bao Jian II1000 times the mixture, and potassium permanganate 1000 times -1500 times alternating spray, spray 5 days - 7 days, continuous spray 3 times.

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