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.
陝西蘋果腐爛病的發生危害程度由南到北，由東到西加重。
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%.
在果園對蘋果腐爛病進行了WCT葯劑塗抹防治竝進行了調查，平均瘉郃率達到40.7%，平均增傚達到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.
採用平板和離躰培養法測定S-921菌株及其發酵液對蘋果樹腐爛病菌的作用。