Which diseases should be controlled in summer when planting grapes?

What diseases should be prevented in summer? Please give the following introduction grape summer should strengthen the control of three diseases: downy mildew: this disease mainly occurs in grape leaves and shoots. Yellow or brown spots appear on the leaves when the disease occurs, and there is a layer of gray mold on the leaves when it is wet. The disease usually begins in late July. Control method: In the middle of July, spray 25% Ruidumei wettable powder 1000 times solution or 600-800 times solution of Tuijunte, spray once every 10-15 days. Powdery mildew: brown, water-stained spots occur on fruit stalks or fruit axes at the initial stage of the disease, gradually spreading to fruit grains; leaf disease mostly starts from leaf edges, yellow brown spots occur at the initial leaf edges, and gradually spread to the center of leaves. Control method: spray 30% compound carbendazim suspension 500 times solution or 75% chlorothalonil wettable powder 500 times solution in early July, spray once every 10 days, spray 4-5 times in total. Anthrax: occurs only on colored or nearly mature grapes. At the beginning of the disease, there are needle-sized brown spots on the surface of the fruit, which gradually expand, the spots are concave, the color deepens, and red mucus overflows when wet, and finally become stiff fruit. Control method: spray 75% chlorothalonil wettable powder 600-800 times before fruit coloring, spray once every 10 days, spray 2-3 times in total. Stop spraying half a month before grape harvest. Click for more grape growing techniques Click for more fruit growing techniques