病毒病是果树主要病害之一。

Virus disease is one of the main diseases in fruit tree.

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基于PCR技术的检测方法是目前果树病毒检测的主要方法，许多果树病毒的PCR检测体系已经建立。

At present, the detection methods based on PCR are the main methods for fruit tree viruses, and many fruit tree viruses have been detected by PCR.

youdao

基于PCR技术的检测方法是目前果树病毒检测的主要方法，许多果树病毒的PCR检测体系已经建立。

At present, the detection methods based on PCR are the main methods for fruit tree viruses, and many fruit tree viruses have been detected by PCR.

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