Position: Home > Articles > Research on the Genetic Effect of ~(60)Co-γ Ray to Potato M2
Journal of Xichang University(Natural Science Edition)
2009,23
(3)
17-20+31
~(60)Co-γ射线对马铃薯M2代遗传效应的研究
作 者：
李世林;杨进武;雷建荔;何东;李佩华
单 位：
西昌学院农学系
关键词：
马铃薯M2代;60Co-γ射线;农艺性状;辐射诱变;遗传效应
摘 要：
试验用不同辐射剂量的60Co-γ射线对马铃薯品种L-55、T-66的休眠块茎进行辐射诱变,以期选育出优异的种质资源或新品种。试验结果表明,不同辐射剂量对同一马铃薯品种M2代群体主要农艺性状产生的变异程度不同;同一辐射剂量对不同马铃薯品种M2代群体主要农艺性状所产生的变异程度不同。60Co-γ射线诱变在改良一些性状(早熟、抗病性、高产、叶绿素含量)上比较有效。马铃薯的大多数突变都是隐性突变,对马铃薯进行辐射诱变育种难度较大。60Co-γ射线诱变马铃薯的适宜照射剂量为10～15GY,从M2后代群体中评价出41个优株系供进一步鉴定,60Co-γ射线诱变马铃薯可作为一种有效的育种手段。
译 名：
Research on the Genetic Effect of ~(60)Co-γ Ray to Potato M2
作 者：
LI Shi-lin,YANG Jin-wu,LEI Jian-li,HE Dong,LI Pei-hua(Department of Agriculture,Xichang College,Xichang,Sichuan 615013)
关键词：
PotatoM2;60Co-γRay;Agronomic character;Radiation mutagenesis;Genetic effect
摘 要：
The experiment used different radiation dosages of 60Co-γ ray radiation mutagenesis to the tuber dormancy of the potato variety of L-55 and T-66,in order to breed the excellent germplasm resources or new variety.The results indicated that the variation degree of main agronomic characters of the same potato variety M2 by the different radiation dosages of 60Co-γ ray is different,and that the variation degree of main agronomic characters of the different potato variety M2 by the same radiation dosages of 60Co-γ ray is different.The mutagenesis of 60Co-γ ray is a quite effective means to improve some characters,for example the precocious,the disease resistance,the high yield and the chlorophyll content.There are difficulties in the radiation mutagenesis breeding of the potato because most mutation of the potato are the recessive mutation.The optimum radiations dosages ranges of 60Co-γ ray mutation to potato are from 10GY to 15GY.41 superior plants are chosen from the M2 descendant for the further identification.It is an effective breeding method to mutate the potato by using the 60Co-γ ray.
相似文章
-
~(60)Co-γ射线辐射马铃薯块茎M2代群体的诱变效应 [李佩华, 李世林, 潘韬, 王安虎, 蔡光泽] 安徽农业科学 2009 (27) 13007-13009
