Colloidal disease is a common branch disease in stone fruit trees. There are non-invasive and infective two pathogenic factors, frost, alfalfa damage, pests and diseases, uneven fertilization, soil pH imbalance, excessive results, do not pay attention to the protection of pruning wounds, etc., can cause fluid gum disease.
The author's experience in preventing and treating this disease is to strengthen early cultivation and management, pay attention to the application of high-quality farmyard fertilizers every year, improve the soil, do a good job of drought irrigation, reasonable loads, and trimming seasons, minimize branches of wounds, and make the trees grow robustly. . Not only that, but also always pay attention to cut off the branches and burn them. Useful branches, early in the spring to wipe out the disease completely, the wound coated with 5 Baume degree of lime sulfur, spraying 5 Baume degrees of lime sulfur before budding, spraying from May to June 0.3 Baume degrees of limestone Mixture or 65% zein zinc WP 500 times, spray once every 15 days, spray 2-3 times.
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