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通过对核桃树（Juglans regin lina）的调查,发现了12种病虫害,其中病害5种,虫害7种,并初步了解了病虫害发生史和生物学特性,提出了相应的防治措施。
Through the investigation of Juglans regina lina, 12 kinds of pests and diseases were found, including 5 kinds of diseases and 7 kinds of pests. The history and biological characteristics of pests and diseases were preliminarily understood, and the corresponding control measures were put forward.