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板栗枝枯病由栗棒盘孢(Chestnuttwigblight)所引起,以分生孢子盘在病部越冬,借风雨、昆虫传播,从伤口侵入。在外界影响下,引起树势衰弱时才会使该病发生。做好种植地立地条件选择、加强营林措施增强树势、减少伤口和及时清除病原是做好该病发生的最好预防措施,一旦发生。可于3月下旬、9月下旬各喷1次40%福美砷可湿性粉剂500倍,12月喷1次波美5度石硫合剂均可获得较好的治疗效果。
The chestnut branch blight is caused by the Chestnuttwigblight, which invades the wound with the spore disk overwintering in the diseased part, spreading by wind and rain and insects. Under the influence of the outside world, it will cause the disease to occur when the tree is weak. To do a good job planting site selection conditions, strengthen forest management measures to enhance the tree vigor, reduce the wound and timely removal of pathogen is the best preventive measures to prevent the occurrence of the disease, once it happens. May be in late March, late September spray 40% Fortune arsenic WP 500 times a month in December Bomei 5 degrees stone sulfur mixture can get better treatment.