关于金冠苹果的果锈问题,笔者仅就生产实践所得,谈几点看法,仅供参考。 金冠苹果的果锈多在其幼果期发生,金冠苹果的角质层不发达,有时产生裂隙,造成表皮细胞裸露,在不良外界条件(低温多湿及农药危害等)下,裸露的表皮细胞便会木栓化形成果锈。金冠苹果,在幼果期(落花后10—40 Golden Delicious apple fruit rust problem, the author only on the production of practical income, talk about a few comments, for reference purposes only. Golden Delicious Apple fruit rust occurs in its young fruit period, Golden Delicious apple stratum corneum is not developed, and sometimes produce cracks, resulting in epidermal cells exposed under adverse conditions (low temperature and humidity and pesticide hazards, etc.), the exposed epidermal cells will Cork formation of fruit rust rust. Golden Delicious apple, in the young fruit (10-40 after the flower