Answer: On the basis of isolation and disinfection, combined with autumn basal fertilization, in mid-October the strain (based on the size of the plant) Shi Mimi soil biological bacterial fertilizer 5 to 10 kg, and timely irrigation, can alleviate the symptoms of rust in the next year, but Can not be eradicated.
Second, there are many reasons that can cause flower face diseases, such as improper fertilization; less emphasis on soil management, resulting in soil compaction; in the fertilization process, applying a fertilizer, resulting in a serious imbalance of land fertilizer, tree nutrient supply is not On the other hand, body growth is debilitated and virus disease occurs seriously. Excessive fruiting of fruit trees, excessive tree load, and inadequate nutrient supplements cause tree nutrient deficits, severely weakening the tree vigor, weakening the disease resistance of the tree, and being prone to viruses. disease. Pathogens can be lurking on pears for a long time. Avoid mixing apples and pears.
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