From July to August each year, vegetables and fruits in the fields often suffer from vegetable virus disease due to the danger of high temperature and fire. Therefore, in the hot season, attention should be paid to the prevention and control of fruit and vegetable virus disease. Prevention methods include:
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 each single plant per hole for the cultivation of 2 to 3 per hole, 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 has been a viral disease in the field of fruit and vegetables, in the field management, it should first operate the health strain, and then operate the diseased strain; the serious disease strain should be promptly removed, buried.
Fourth, on the non-pathogenic fruits and vegetables, can be used 100 to 150 times the resistance agent and Yi Zhi Jian II 1000 times the mixture sprayed to prevent and cure, the incidence of fruit and vegetables, 400 times the enemy can use lobular and Ji Jianbao II1000 times mixture of control.
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