【摘 要】
：
对提莫菲维小麦的根尖细胞染色体进行C-带分析,以明确提莫菲维小麦的染色体C-带带型特点.结果表明:提莫菲维小麦具有14对染色体,其染色体带型公式为:2 n=28 =4 IT+ +4IT+ +6
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对提莫菲维小麦的根尖细胞染色体进行C-带分析,以明确提莫菲维小麦的染色体C-带带型特点.结果表明:提莫菲维小麦具有14对染色体,其染色体带型公式为:2 n=28 =4 IT+ +4IT+ +6 CIT+ +6I+2IT+2CI+2CIT+S+2CIS,共包括98条带,其中长臂具有57条带纹,包括50条中间带(Ⅰ),7条端带(T);短臂具有35条带纹,包括30条中间带(Ⅰ),3条端带(T),2条随体带(S);另外还有着丝点带(C)6条.提莫菲维小麦G组染色体的异质化程度明显高于A组染色体,G组染色体的C-带带型与普通小麦B组染色体非常相似,因此G组染色体可能与B组染色体存在部分同源性.
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