Cucumber Disease Prevention and Control
First, the law of occurrence: cucumber blight commonly known as "card neck", the entire growth period can be affected, the main harm to cucumber leaves, stems and fruits, the young part of the most vulnerable to growth. During the seedling period, the seedlings were affected. At the beginning of the growth stage, they appeared dark hot water stains and soft rot. After the last dry point, they were dry and sharp. When they were severe, they wilted and died. In the adult stage, they developed from the base of the ground stem, and were first stained with dark green. Lesions, diseased areas softened and shrunk. After the leaves drooped, the whole plant withered and the leaves were blue and dry, but the vascular bundle of the diseased plants did not change color.
Second, control methods: to pay attention to the protection of the neck, can be combined with the control of bacterial blight, in time after planting with 200 times liquid Tianda 2116 seedlings dedicated +3000 times liquid 96% hymexazol +3000 times liquid silicone liquid Apply the root neck and pour the roots, apply to a height of 20 cm or more, 10-15 days, 2-3 times in succession.
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