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目前,世界各地报道的苹果病毒病害有40余种。其中,苹果褪绿叶病毒最重。现将该病毒的危害性及研究进展情况综述如下。供爱好者参考。一、苹果褪绿叶斑病毒的危害概况及病状
At present, there are more than 40 kinds of apple virus diseases reported around the world. Among them, apple leaf green leaf virus the most. Now the danger of the virus and research progress are summarized below. For lovers reference. First, the apple green leaf spot virus damage profiles and symptoms