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最近,山东省首次在安丘市(保护地西瓜)发现全国植物检疫性有害生物——瓜类果斑病菌。该病是西瓜、甜瓜等葫芦科作物的一种毁灭性病害,可导致80%的西
Recently, for the first time, Shandong Province found the national phytosanitary pest-Cucurbitaceae in Anqiu City (protected watermelon). The disease is a devastating disease of cucurbits such as watermelons and melons, which can cause 80% of the west