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1990～1992年调查了大庆市44种栽培蔬菜上的病害种类、分布及为害情况.鉴定出病害280种,分析了病害发生的特点。
From 1990 to 1992, 44 kinds of cultivated vegetables in Daqing city were investigated for disease types, distribution and damage, 280 kinds of diseases were identified, and the characteristics of disease occurrence were analyzed.