1996～1998年 ,通过在抗病虫鉴定圃人工接种接虫的方法 ,结合生产的实际情况 ,对吉林省中部地区累计131份玉米生产骨干品种和后备品种进行对玉米苗病、丝黑穗病、茎腐病、叶斑病和玉米螟的抗性研究。结果表明 :参试品种的综合抗性总体表现较差。相对表现较好的品种有四密21号、四密25号、四单152、四单151、吉单321、西单2号、丹703、中单321、吉单209。针对这些品种的抗性特点 ,提出合理推广使用的建议 From 1996 to 1998, 131 varieties of maize and backcrossed maize varieties were selected for maize seedling disease, head smut disease , Stalk rot, leaf spot and corn borer. The results showed that the overall resistance of tested varieties was poor. Relatively good performance of the varieties are Si Mi 21, Si Mi 25, Ssingle 152, Ssingle 151, Kyrgyzstan 321, Xidan 2, Dan 703, the single 321, Jidan 209. In response to the characteristics of these varieties of resistance, put forward the reasonable promotion of the use of recommendations