Clever governance of peanut leaf spot
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 photosynthesis efficiency, causes early defoliation and affects the accumulation of nutrients, which generally leads to a reduction of 4% to 15%, and severely reduces the production by more than 30%. At present, with the arrival of the rainy season, leaf spot disease will enter the season of high incidence, reminding farmers to pay special attention to the cultivation of peanuts and timely prevention and treatment.
Control methods When the diseased leaf rate reaches 10% to 15%, or when the disease index reaches 3-5, the prevention and treatment begins. For every 667 square meters, 75% chlorothalonil WP 75-100 g, or 40% Phytonum WP 70-100 g, or 50% carbendazim wettable powder 30 kg water, evenly sprayed. Spray from 7 to 10 days from early July to mid-August and spray 2-3 times.
Precautions Take good safety precautions during prevention and control. Avoid high-temperature periods and avoid poisoning of humans and animals.
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