Technical guidance for pesticide control of amaranth leaf blight:
Spray spray 1 time before each cultivating amaranth, 50% carbendazim or 70% carbendazim WP 500 times solution, or 50% keering WP, 50% Nonglid WP 1000--1500 times liquid. Spray 40--50 kg of liquid per acre, focus on spraying the soil surface around the new leaves, and spray 2 times continuously.
In the early stage of the smog chamber, the smoke method or the dust method can be used. The 10% keeling agent can be used, 200-250 grams per mu, or 45% bactericide 250 grams per mu, and 6-8 points can be used. The fire is ignited, the shed is closed, and it is smoked for 3 to 4 hours.
Dust dust method spray 10% fungicide dust in the evening, or 5% chlorothalonil dust, 1000g per acre, 9--11 days, continuous or alternate with other control methods 2-- 3 times.
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