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1997～ 1998年对大樱桃叶部主要病害———褐斑病和细菌性穿孔病在烟台地区的发生流行规律和药剂防治效果进行了研究。明确了两病的症状表现、侵染途径、发病时期及发病与环境条件的关系。药剂防治试验结果表明 ,在发病初期喷施 12 0 0倍宝丽安可湿性粉剂、80 0倍 80 %大生M - 45可湿性粉剂或 10 0 0倍70 %甲基托布津可湿性粉剂连续防治 2次效果良好。
From 1997 to 1998, the prevalence of brown spot and bacterial perforation in Yantai were studied, and the main diseases of big cherry leaf were studied. Clarified the symptoms of the two diseases, the path of infection, the onset of the disease and the relationship between environmental conditions. Pharmacological control test results showed that in the early onset of spraying 120 times Polaroid WP, 80 0 times 80% of Health M - 45 WP or 100% 70% thiophanate - methyl WP continuous control 2 times the effect is good.