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对适用于玉米的RAPD实验体系进行研究，摸索出适用于玉米的RAPD的反应适宜条件，建立了稳定的玉米RAPD分析体系。应用这一体系对温敏核雄性不育玉米琼42－Qms及其可育的近等基因系琼42进行RAPD分析，在300多个引物中发现1个引物在两种材料中扩增带型有差异，经重复试验，初步认为此差异与玉米雄性不育基因连锁。
The RAPD experiment system suitable for maize was studied, and the suitable reaction conditions of RAPD for maize were explored, and a stable RAPD analysis system was established. Using this system, RAPD analysis was performed on the thermo-sensitive genic male sterile Qiong 42-Qms and its fertile near-isogenic Qiong42. More than one primer was found in more than 300 primers to amplify the genotype There are differences, after repeated tests, initially considered this difference and maize male sterility gene chain.