柑橘衰退病毒(CTV)存在严重的株系混合侵染现象，因此需要用一定的方法对混合株系进行识别。

Citrus tristeza virus (CTV) exists in the form of mixed infection, so it is necessary to differentiate the strains by using some technical methods.

youdao

柑橘衰退病毒(CTV)存在严重的株系混合侵染现象，因此需要用一定的方法对混合株系进行识别。

Citrus tristeza virus (CTV) exists in the form of mixed infection, so it is necessary to differentiate the strains by using some technical methods.

youdao