In order to improve the yield and quality of fruit, reduce the number of spraying of pesticides, and increase the growth period of trees, the following key periods are mastered in the prevention and control of pests and diseases.
First, the buds are obviously inflated, that is, the light rod medicine. In this period, spray a high concentration of fungicide plus insecticide, spray on the tree and under the tree. Mainly control a variety of wintering bacteria and pests.
The second is to spray a higher concentration of fungicides and insecticides during the bud period, mainly to control flower rot.
The third is to spray fungicides and insecticides one week after falling flowers, mainly to prevent a variety of diseases and aphids, red spiders, pear hibiscus and so on.
Fourth, after picking the fruit, spray a higher concentration of fungicides and insecticides before the leaves, mainly to eliminate the wintering pests and reduce the damage in the second year.
First, the buds are obviously inflated, that is, the light rod medicine. In this period, spray a high concentration of fungicide plus insecticide, spray on the tree and under the tree. Mainly control a variety of wintering bacteria and pests.
The second is to spray a higher concentration of fungicides and insecticides during the bud period, mainly to control flower rot.
The third is to spray fungicides and insecticides one week after falling flowers, mainly to prevent a variety of diseases and aphids, red spiders, pear hibiscus and so on.
Fourth, after picking the fruit, spray a higher concentration of fungicides and insecticides before the leaves, mainly to eliminate the wintering pests and reduce the damage in the second year.
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