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1996年5月至8月，对我省长春、吉林等地樟子松人工林大面积枯黄现象进行了调查，并对调查中所见到的病虫种类及危害进行了分析，据此提出防治建议。
From May to August 1996, surveys were conducted on the large area yellowing of Pinus sylvestris var. Mongolica plantations in Changchun, Jilin and other places in the province. The types and hazards of the pests and diseases seen in the investigation were analyzed. Suggest.