秋白梨贮藏期间“黑痘病”的防治方法近年来，我县秋白梨在贮藏期间发生一种严重病害，群众称之为“黑痘病”。一般是贮藏１个月左右梨果开始发病，果面出现褐色斑点，斑点逐渐扩大变黑，经２—３个月后发病达高峰，贮到４个月后果面全部变黑，严重影响果实外观，果肉也失... Autumn pear storage during the “black pox disease” prevention and control methods In recent years, my county autumn white pear occurred during storage of a serious disease, the masses call it “black pox disease.” Generally stored for about 1 month pears began to morbidity, brown spots appear on the fruit surface, the spots gradually expanded to black, the peak of incidence after 2-3 months, stored to 4 months after the fruit surface all black, seriously affecting the appearance of the fruit , The flesh also lost ...