Cucumber brown spot, from the beginning of the cucumber melon period, the general disease in the middle and lower leaves first, upward development. At the beginning, small gray-brown spots appeared on the leaves and gradually expanded into unequal round or near-circular edges of light brown or brown spots of unequal size. The lesions in the middle of the lesions become lighter, sometimes grayish and grayish brown on the edges. When the humidity is high, sparse grayish-brown moulds are sparse on the front and back of the lesion. In severe cases, the lesions fuse and the leaves are yellow. Cucumber downy mildew, generally the frontier of the greenhouse is heavy, the symptoms are obvious, there are yellow-brown lesions on the leaves, limited by the veins, when the humidity is large, the back of the leaf has gray or black mold layer. Bacterial leaf spot, the lesions on the leaves were pale gray, smaller than the downy mildew lesions, but also by the veins, but when the humidity is large, the back of the leaves is not the black mold layer but the white bacteria pus, there is a clear symptom is Late lesions perforation. Anthracnose of cucumber, leaf lesions were gray-brown or red-brown, severe when the leaves dry, high humidity, melon spots pink viscous material. Most of the above-mentioned diseases are mixed. At this time, attention must be paid to the compounding of medicines and the flexible control of the amount of medicine used during different disease periods. Such as: A, for cucumber downy mildew and bacterial leaf spot, leaf blight mixed, the early onset, can be used Cream Bell 30ml + fine cut 30ml + silicone (1 bag), watered 15 kg, 3 days medication once , Play twice; in the late stage of disease, use cream bell 50ml + 50ml + fine cut silicone (1 bag), watered 15 kilograms, once a day medication, use twice. B, mixed downy mildew and brown spot, the early onset, can be used Cream Bell 30ml + speed net 30ml + silicone (1 bag), watered 15 kilograms, 3 days of medication once, hit twice; middle and late onset, Use cream bell 50ml + speed net 50ml + silicone (1 bag), water 15 kg, once every 1 day, use twice. Monkfish-Sliced,Monkfish-Fillets,Monkfish Tails With Skinless,Monkfish Tails With Skin-On GOLD STAR FISHERY ZHOUSHAN CO.,LTD. , https://www.goldstar-aquatic.com