Critical period of Pesticide Application in Fruit trees

In fruit tree planting, how to improve fruit yield and quality, reduce pesticide spraying times, and enhance tree growth years, we should mainly master the following key periods in the prevention and control of diseases and insect pests.

The main results are as follows: 1. The bud is obviously enlarged, that is, the bare rod medicine. During this period, a high concentration of fungicides and pesticides should be sprayed thoroughly both on and under the trees. Mainly control a variety of overwintering pathogens and pests.

2. Spraying high concentration fungicides and insecticides at flower bud stage, mainly to control flower rot and so on.

3. Fungicides and insecticides are sprayed one week after falling flowers, mainly to prevent a variety of diseases and aphids, red spiders, pear planthoppers, etc.

4. Spraying high concentration of fungicides and insecticides before falling leaves after fruit picking can mainly eliminate overwintering diseases and insects and reduce the damage in the second year. Pay attention to the mixture between alkaline and slightly acidic drugs during mixed spraying.