论文部分内容阅读
继1982年在云南稻中发现抗褐稻虱品种——科砂3号后,近两年来,经苗期多次人工接史鉴定和
Following the discovery of a variety of brown planthopper resistant to brown planthopper in Yunnan rice in 1982 - Section 3, in the past two years,