apple canker

基本解释

The result was:1 . From South to North, and From East to West, the infection of apple canker in shaanxi province becomes more serious.
陕西苹果腐烂病的发生危害程度由南到北，由东到西加重。
In the field, apple canker disease was treated by WCT, with an average healing rate of 40.7%, with an average efficiency increase of 66.1%.
在果园对苹果腐烂病进行了WCT药剂涂抹防治并进行了调查，平均愈合率达到40.7%，平均增效达到66.1%。
The effects of S-921 strain (Streptomyces aureus) and its fermented broth on apple tree canker, Valsa mali, were tested by plating and free culture methods.
采用平板和离体培养法测定S-921菌株及其发酵液对苹果树腐烂病菌的作用。