Garlic white rot occurs seriously in spring, the incidence rate of the disease is 10%-20%, and the serious field is as high as 35%.
1. Seed treatment The garlic seeds are treated with 50% thiophanate-methyl WP or 50% carbendazim WP to be sown. The specific method is: mix 0.5 kg of pharmacy with water 3-5 kg, mix 50 kg of garlic, and dry it for sowing.
2. Rotation for cropping Because the continuous cropping field is prone to disease, it is effective to prevent and cure this disease for the continuous cropping of non-garlic crops 3-4 times. The effect is obvious and the control effect can reach more than 90%.
3, field management early spring to carry out topdressing and seedlings, loose soil, drainage and dewatering, promote garlic growth, improve disease resistance, found that the diseased plants in time to excavate and burn, prohibiting manure, in order to prevent the bacteria from being brought into the field.
4, the initial stage of the drug prevention and treatment, spraying 50% carbendazim WP 500 times solution or 50% thiophanate-methyl WP 600 times solution; 2 with 50% chlorhexidine WP 1000-1500 times solution Rooting of the roots; 3 with 20% methyl chlorophosphorus emulsifiable concentrate 1000 times or with 75% of garlic leaf WP 1500 times solution sprayed for about 10 days.
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