用面碱和生石灰液体涂抹患部,防治杨树腐烂病和溃疡病,方法简便,成本低,不污染环境,防治效果好。我们用此法经过4年多的反复试验,每亩成本费仅为0.12元,防治效果可达100％。用面碱和生石灰液体防治杨树腐烂病和溃疡病,涂药时间最好选在病害发生初期。熊岳地区每年发病3次,病害发生初期分别为4月上中旬、7月上中旬、9月下旬, Smear and lime liquid smear the affected area, prevention and treatment of poplar decay and ulcer disease, the method is simple, low cost, does not pollute the environment, prevention and treatment is good. We use this method after more than 4 years of repeated testing, the cost per acre is only 0.12 yuan, prevention and control of up to 100%. With the surface alkali and quicklime liquid poplar rot and ulcer disease prevention and control, the best time to choose the best disease in the early stages. Xiong Yue area incidence of 3 times a year, the initial occurrence of disease were in April on the middle, July on the middle, late September,