文献类型： 外文期刊
第一作者： Zhu, Jianshu
作者： Zhu, Jianshu;Wang, Xiaolu;Gu, Mengxue;Wang, Yi;Kang, Houyang;Fan, Xing;Sha, Lina;Zhang, Haiqin;Zhou, Yonghong;Yang, Chuntao;Zhou, Yonghong;Jiang, Yun;Xuan, Pu
作者机构：
期刊名称：SCIENTIFIC WORLD JOURNAL （ 影响因子：1.219； 五年影响因子：1.3 ）
ISSN： 1537-744X
年卷期： 2014 年
页码：
收录情况： SCI
摘要： 10 accessions of tetraploid wheat were radiated with 100 Gy Co-60 gamma-ray. The germination energy, germination rate, special characters (secondary tillering, stalk with wax powder, and dwarf), meiotic process, and high-molecular-weight glutenin subunits (HMW-GSs) were observed. Different species has different radiation sensibility. With 1 seed germinated (5%), T. dicoccum(PI434999) is the most sensitive to this dose of radiation. With a seed germination rate of 35% and 40%, this dose also affected T. polonicum (As304) and T. carthlicum (As293). Two mutant dwarf plants, T. turgidum (As2255) 253-10 and T. polonicum (As302) 224-14, were detected. Abnormal chromosome pairings were observed in pollen mother cells of both T. dicoccoides (As835) 237-9 and T. dicoccoides (As838) 239-8 with HMW-GS 1Ax silent in seeds from them. Compared with the unirradiated seed of T. polonicum (As304) CK, a novel HMW-GS was detected in seed of T. polonicum (As304) 230-7 and its electrophoretic mobility was between 1By8 and 1Dy12 which were the HMW-GSs of Chinese Spring. These mutant materials would be resources for wheat breeding.
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