1. Pay attention to the occurrence and prevention of pests and diseases. Pay special attention to brown spot disease. Use soft water to pass 4000 times tebuconazole 1000 to 1500 times (or 5000 times of propiconazole) with soft water. Use 1:2:200 Bordeaux mixture to prevent brown spot disease before it occurs. If brown spot disease occurs, use Nanoxin, Tebuconazole and Gaosheng as soon as possible, and spray more than twice in an interval of 7 to 10 days.
2. While using drugs to prevent and control, also use the Amino Acid Phillips to spray the leaves to rapidly enhance tree vigor and leaf function, and improve the disease resistance of fruit trees. Insects such as spider mites, cotton aphids, long beetles and other pests should be based on Appropriate selection of pesticides for the occurrence of insects. Focus on the prevention and control of spider mites and cotton aphids, using Chongqing No. 4 6000 times chlorpyrifos 1500 times.
3. Prevent the spread of rot disease. Remove old warped bark from tree trunks in the whole garden, apply 10~30 times of Pudak's solution to the trunk while it is sunny, add 1 small bottle of propiconazole (Goldenlux) to each bag of Pudak's solution to promote rapid peeling off of the peeling layer and reduce decay Disease infestation and survival sites.
4. Increase the air permeability of the orchard soil. When it rains and the ground is slightly dry, timely intertillage, spray the orchard ground to avoid deep plowing, and increase the orchard with organic fertilizer Mu Mei Tuli or Longfei Dasanyuan, Guojindao, etc., which can enhance soil permeability and increase soil oxygen content.
5. Nourishment. Excessive rainfall can easily cause soil nutrient infiltration, and there will be a lack of nitrogen and potassium, and organic fertilizer should be added in time.
6. Enhance the light transmittance of fruit trees. Excessive rain can easily cause disorder of the tree. The dense branches and long branches should be removed in time. The branches that bend upwards should be turned and hang down at the bends, and the branches should be staggered by pulling or hanging branches to open the light-transmitting space. Increase the light transmittance of fruit trees to about 30%.
7. Control shoots. For the non-stop growing branches, topping or removing the leaves can control the prolonged growth of the branches and promote the rejuvenation of the weak and prosperous branches. The control time of topping is shorter, and the effect of topping and removing leaves is obviously better than that of topping. Topping and removing leaves is to remove 3-5 leaves from the tops of the branches while leaving the petioles.
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