The study shows that the initial infection source of the disease is the disease spot on the branches. In the growing season branches, leaves and fruits can infect one another.

研究发现，病害的初侵染源来自枝干病斑，生长季节枝、叶、果互相交叉传染。

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The study shows that the initial infection source of the disease is the disease spot on the branches. In the growing season branches, leaves and fruits can infect one another.

研究发现，病害的初侵染源来自枝干病斑，生长季节枝、叶、果互相交叉传染。

youdao