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Watermelon pest control
The main diseases of watermelon during the expansion period are blight, anthracnose, bacterial keratoses and blight, and attention should be paid to timely medication. In the absence of disease, the foliar spraying of 500 times fluid Wanjia + Pesson Zinc 600 times liquid + Yiwei 750 times liquid, once in about 10 days, can prevent most of the disease, at the same time with the spraying of new high-fat membrane 800 times liquid Consolidate the control effect, prevent and control the invasion of pathogens, and improve the resistance of plants. After the occurrence of diseases, the best agent for the control of bacterial blight and anthracnose is to take the enemy stable 3000 times solution plus 800 times the new high-fat film, and hold for a long period of time. More than 20 days, followed by good Lectra 3000 times, difenoconazole 1500 times, etc.; the best agent for the prevention and treatment of bacterial diseases is 500 times fluid. The control of fusarium wilt with Rui Miao Qing 2000 times liquid or light shield 1500 times liquid spray irrigation.