食醋防治苹果腐烂病效果好山东省肥城县西岭村２０亩的老果园，１９８１年苹果腐烂病发病率为８６．３０％。为防止发生蔓延，在加强土、肥、水管理的基础上，连续１１年坚持用食醋涂抹病疤，取得了良好效果，当年治愈率为９６％，第二年复发率为０．５％以下，现在产量在... Vinegar prevention and control of apple rot disease effect Feicheng County, Shandong Province Xiling village of 20 acres of old orchard, in 1981 the incidence of apple rot disease was 86.30%. In order to prevent the spread, on the basis of strengthening the management of soil, fertilizer and water, we insisted on smearing the scars with vinegar for 11 consecutive years and achieved good results. The cure rate was 96% in the year and the recurrence rate in the second year was 0.5% Now, the output is in ...