Valsa
英[]
美[]
双语例句
- 1. It is discussed the occurrence and harmfulness of valsa sordida of poplar in 4 aspects.
- 从4个方面论述了杨树烂皮病的发生规律及危害性。
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- 2. 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。
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- 3. 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。
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- 4. 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。
youdao
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