MySheen

Control methods of grape downy mildew

Published: 2024-11-22 Author: mysheen
Last Updated: 2024/11/22, Prevention and control methods: 1, remove fallen leaves, diseased branches buried or burned. 2. Timely coring, pruning, drainage and weeding, and increasing application of phosphorus and potassium fertilizer. 3, in the early stage of the disease, that is, after July, we can see that there are mild disease spots on the back of the leaves, and the drugs are: Paebo, Ruidui, disinfectant alum, metalaxyl, downy mildew, etc.

Prevention and control methods: 1, remove fallen leaves, diseased branches buried or burned. 2. Timely coring, pruning, drainage and weeding, and increasing application of phosphorus and potassium fertilizer. 3. In the early stage of the disease, that is, after July, the medicine was used immediately when there was a slight disease spot on the back of the leaf. The drugs were used alternately, such as Paebo, Ruidui, disinfectant alum, metalaxyl, downy mildew, etc., and sprayed 4 times in a row for 5 times.

 
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