How to prevent pests and diseases after grape harvest

The prevention and control of pests and diseases after grape harvesting is very important, especially downy mildew, powdery mildew, beetle, hornworm, etc., will cause premature defoliation of the whole tree, forcing winter buds to germinate in late autumn, severely affecting tree nutrient accumulation and flower bud differentiation and growth in the following year. As a result, great attention must be paid to it. It is possible to spray 300 times of aluminum alginate or 1,000 times of thixotox every 15 days from the time of film removal to defoliation, which can effectively prevent and control the occurrence of diseases. With 2.5% of the enemy to kill the beetles, grape hawk moth, etc., but also combined with autumn and winter pruning, the orchard litter, pests and fruits of the dead fruit completely cleared, concentrated destruction, reduce the number of pests and winter base, reduce pests in the following year Harm.

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