Peanut leaf spot disease will enter the high incidence period
Peanut leaf spot disease is the main disease on peanuts. There are two kinds of brown spot and black spot disease. Each year has different degrees of occurrence. Leaf spot mainly damages the leaves, reduces the photosynthesis efficiency, causes early leaf fall and affects the accumulation of nutrients, generally can reduce production by 4%-15%, and when serious, it can reduce production by more than 30%. At present, with the onset of the rainy season, leaf spot disease will enter the high season, reminding peanut growers to pay close attention to the prevention and control in due course.
Control methods: When the diseased leaf rate reaches 10%-15%, or when the disease index is 3-5, the prevention and treatment will begin. Use 75% chlorothalonil WP 75-100 g per mu, or 40% phytomyozep WP 70-100 g, or 50% carbendazim WP, 30 kg evenly sprayed, since July Spray from 7 to 10 days from early to mid-August. Spray 2-3 times. Note: Do a good job of safety protection measures during the prevention and treatment. When applying pesticides, avoid high temperature periods and avoid the occurrence of human and animal poisoning.
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