Chemical prevention and control: Do the right medicine, timely medication, pay attention to the rotation and rational use of pharmaceuticals, according to the required concentration, the number of annual use and safety intervals required to use. The use of chemical pesticides is strictly and accurately recorded.
Agricultural control: The end of the fruit picking and the timely removal of the fruit in the park in the winter, sick and diseased branches, diseased leaves, reduce the initial infestation of the orchard and insect sources, pay attention to post-harvest management to enhance tree vigor.
Major diseases and prevention:
1. Peach leaf thinning disease: It is an important disease that damages the leaves of winter peaches. Severe disease causes a large number of fallen leaves, causing tree nutrient deficiency, which ultimately leads to a decline in fruit quality.
The pathogenic bacteria used ascites to overwinter in diseased leaves. It occurred in late February to early April of the following year in Fuxian County, and it was affected by canopy shading, lack of sunlight, soil barrenness, potash fertilizer, and lack of organic fertilizer.
Control methods: 1 Clear Garden. Autumn and winter season, combined with pruning, concentrated burned or buried dead leaves, pests and branches. 2 Strengthen the cultivation management: In the management of the growing season, Hexico reasonably strengthens the management of soil, fertilizer, and water, and at the same time, it combines pruning to improve the air and light conditions of the trees. 3 spraying control: the early onset, that is, after the end of flowering period, spray 1500 g Baume 0.8 acres of lime sulfur agent agent for prevention and treatment.
The main pest control:
Locust: Damage to the young leaves of young shoots occurred in March and April.
Control methods: 1 Protect and use natural enemies such as ladybugs and pest control. 2 When pruning in winter and spring, cut dead branches and branches with high densities and focus on burning to reduce the source of insects. 3 spraying control: In the early stage of pest occurrence, 40mL of 10% Kanglin Lin Nicotinamide EC is used for spray prevention and treatment, which can achieve better results.
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