Valsa apple canker的意思|示意
瓦尔萨苹果溃疡病
Valsa apple canker的网络常见释义
烂病 苹果树腐烂病（Valsa apple canker）是我国苹果上普遍发生的一种严重病害，由于该病危害大，防治难，常造成严重的经济损失。
Valsa apple canker相关短语
1、 Apple Valsa Canker 苹果树腐烂病 ; 腐烂病
2、 valsa canker of apple 苹果树腐烂病
3、 apple tree valsa canker 苹果树腐烂病
Valsa apple canker相关例句
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。
It was revealed in an extensive survey that the occurrence of apple Valsa canker (Valsa ceratosperma) is correlated negatively with potassium content in bark.
矫治试验结果表明，春季增施钾肥，可提高树皮含钾量并减轻腐烂病发生程度。