苹果烂果病在晋南果区的发生与防治

Occuring and Prevention and Cure of Rot Disease of apple in the South of Shanxi

通过 1998～ 1999年对苹果烂果病的研究 ,明确了引起烂果的主要病害种类是苹果轮纹病和苹果干腐病。室内孢子萌发试验表明 :此病的发生与湿度关系密切。大田药剂防治试验表明 :喷药期决定着防治效果 ,烂果病防治应在谢花后。

This paper by studied on apple which was rotted in 1998～1999, has made clear main disease kinds of rotted apples, which were apple ring rot and Botryosphaeria canker of apple. An experiment with indoor spore sprowting have indicated that happening of the disease in close relation to humidity, and an experiment with field prevention and cure of medicament has indicated that effects of prevention cure depended on the term of spraying drug and prevention and cure of rotted apples should go on, when stoma and skin opening began to form after flowers wither.