近十年来，苹果烂果病普遍发生，并且越来越重，特别是苹果轮纹病引起的烂果尤为突出，在个别年份果园烂果率高达３０％～５０％。据调查，烂果病主要是轮纹病菌引起的，其次是炭疽病菌。其病原菌多以菌丝、分生孢子器等在被害树体及僵果上越冬，在适宜的条件下，靠风雨传... In recent ten years, the apple rotten fruit diseases are common and heavier and heavier, especially rotten fruit caused by apple ring rot disease is particularly prominent. In some individual orchards rotten fruit rate as high as 30% to 50%. According to the survey, rotten fruit disease is caused mainly by rotten germs, followed by anthrax bacteria. Most of its pathogens to hyphae, conidia and other trees in the victimization and winter fruit overwintering, in the right conditions, by rain ...