秋水仙素处理山丹新麦草幼苗的染色体加倍研究  

Study on chromosome doubling of Psathyrostachys perennis Keng. cv. shandan seedlings

作　　者：张秀丽[1] 张利军[2] 

机构地区：[1]内蒙古广播电视大学,内蒙古呼和浩特010011 [2]中国农业科学院草原研究所,内蒙古呼和浩特010010

出　　处：《草原与草业》2013年第3期49-52,共4页Grassland and Prataculture

摘　　要：本文用不同浓度秋水仙素和不同处理时间对山丹新麦草幼苗进行染色体加倍研究。结果表明:最适宜的处理浓度和时间是0.10%的秋水仙素处理24h的四倍体诱变率最高,达62.5%。In this paper, Psathyrostachys perennis Keng. cv. shandan seedlings were treated with colchieines of differ- ent concentrations and treatment time. The results showed that the effects of the treatment with 0. 10% colchieines for 24 hours was the best and plants of the 4X Psathyrostachys perennis Keng. cv. shandan were obtained, ratio of induction was 62. 5%.

关 键 词：山丹新麦草 幼苗 秋水仙素 染色体加倍 

分 类 号：S543[农业科学—作物学]