我们是怎样防治苹果树腐烂病

• 作 者: 吴树森
• 机 构: 山西省屯留果树场,
• 出 处: 中国果树
• 发表日期: 1982年01期
• 关键词: 苹果树腐烂病 冻害 刮治 干性 就更 福美砷 发病株率 病害 中央领导干 刮皮

苹果树腐烂病是一种严重威胁苹果树的枝干性病害。1968年我场果树遭受了一次大冻害,此后全场1400亩果树(大部分为苹果),相继感染上了腐烂病,发病株率高达45—80%。由于该病的危害,仅1969年就死掉大树800余株,至于树体残缺不全的就更多了。面对这一严重问题,十多年来我们一直

Apple tree rot disease is a serious threat to apple tree branches dry disease. In 1968 my fruit tree suffered a big frost injury, after the audience of 1400 acres of fruit trees (mostly apples), have been infected with the rot disease, the incidence of strains as high as 45-80%. As a result of the disease, more than 800 dead trees died in 1969 alone. As a result, tree defects were even more incomplete. In the face of this serious problem, we have been for more than a decade