The treatment of winter melon leaf rot is as follows:
Winter melon leaf rot is generally bacterial angular spot disease. It mainly harms the leaves and can also damage the stems and fruits. At the beginning, water spots appeared on the leaves, which gradually expanded, and the diseased leaves turned yellow and brown.
Control methods: 1. Select resistant varieties, seed dressing with new high-fat film before sowing, can keep warm, moisturize, swell, increase seed germination rate, make seedlings strong. Repel underground pests and isolate viral infections. It can also be mixed with a seed coating. 2. Before the onset of disease, use the new high-fat membrane 600 times solution to prevent it. Once the disease is used in time, the targeted high-fat membrane and foliar fertilizer can be used together to prevent the spread of the bacteria and increase the utilization rate of the active ingredients of the pesticide. The transformation of highly toxic pesticides is poisoning, the poisoning pesticides are low toxicity, and the low toxicity pesticides are slightly toxic. Control the volatile and volatile pesticides, prevent the rainwater from scouring, reduce the dosage per acre (half), and improve the control effect (multiple times).
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