Spring fruit tree flow gum disease

Defoliation of fruit trees mainly damages the trunk and main branches of peach, plum, apricot and other fruit trees. Swelling at the site of the disease, after the brown part of the wood becomes brown, a clear gel is secreted from the lenticels or the wound. It gradually turns yellow-brown to brown in contact with the air. It becomes a black lump over time and the bark at the site of the disease is rough and turtles. Cracked, difficult to heal, when the disease is severe, the tree vigor is weakened, and even the whole plant dies.
Fruit tree gum disease mainly occurs on fruit trees with weak trees and large trees. The disease is mainly caused by pests and diseases, improper fertilization, poor drainage, excessive pruning in summer, freezing injury in winter, sunburn, and excessive results. The prevention and control of the disease is: increasing organic fertilizer, reasonable application of nitrogen, phosphorus, potassium and trace elements, enhance tree vigor, and increase resistance to disease.
Minimize wounds during pruning, apply 5 bumeite lime sulfur to large wounds, collect dead branches and burn, prevent pupal pests, and reduce sources and wounds.
Scratch treatment spots. The lesions are limited to the surface and should be promptly removed after the spring. At the same time, apply 402 anti-disease 50 times solution or 50 mg Formamide arsenic in the wound, and then apply Bordeaux slurry protection; or directly apply 5 Baume degree of lime sulfur agent for prevention and treatment, and the effect is remarkable.
Before serious orchard germination, spray 40% methine WP 100 times. The growth period is combined with other disease prevention and spraying protection on branches.

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