Analysis on Genetic Diversity and Genetic Basis of the Main Sesame Cultivars Released in China
文献类型: 外文期刊
作者: Zhang Yan-xin;Sun Jian;Zhang Xiu-rong;Wang Lin-hai;Che Zhuo
作者机构:
关键词: sesame (Sesamum indicum L.);cultivars;SRAP;genetic diversity;genetic basis
期刊名称: AGRICULTURAL SCIENCES IN CHINA
ISSN: 1671-2927
年卷期: 2011 年 10 卷 4 期
页码:
收录情况: SCI
摘要: SRAP (sequence-related amplified polymorphism) was used for the analysis of 67 sesame (Sesamum indicum L.) cultivars widely used in Chinese sesame major production areas from 1950 to 2007. A total of 561 bands were amplified using 21 SRAP random primer pairs, with 265 of them were polymorphic, resulting in a polymorphism ratio of 47.2%. The total bands and polymorphism amplified by each primer pair averaged 26.7 and 12.6, respectively. The average genetic similar coefficient and genetic distance of the 67 cultivars were 0.9104 and 0.0706, respectively, indicating limited genetic diversity and narrow genetic basis. Comparative analysis on genetic similarity and genetic distance of different classified cultivars showed that the difference of average genetic similarity coefficient and genetic distance between the landraces and cultivars bred through crosses reached significant levels (P=0.01), with the genetic basis of landraces wider than that bred cultivars. The genetic basis of cultivars used in 1990-2007 was more narrow than that of cultivars from 1950 to 1969 and from 1970 to 1989, with the differences of average genetic similarity coefficient and genetic distance reached 0.01 significant level. The genetic basis of Chinese sesame main cultivars is relatively narrow, and the genetic basis of cultivars developed through crosses in recent years is narrower than history cultivars.
分类号:
- 相关文献
作者其他论文 更多>>
-
Identification and characterization of miRNAs and target genes in developing flax seeds by multigroup analysis
作者:Xie Dongwei;Yu Yue;Dai Zhigang;Sun Jian;Su Jianguang
关键词:degradation group; Flax; miRNA; seed; target gene
-
Reactions Of 2-Aminobenzohydrazide And 4-Oxo P.imelic Acid Catalyzed By I odine In Ionic Liquids
作者:Yue Ruixue;Zhang Yi;Zhang Wenting;Zhu Hong;Sun Jian;Niu Fuxiang;Xu Fei
关键词:2-aminobenzohydrazide; 4-oxopimelic acid; pyridazino[6,1-b] pyrrolo[1,2-a] quinazoline-1,6,9(7H)-trione; tetra-hydropyrrolo[1,2-a] quinazolin-3a(1H)-propionic acid; ionic liquid; steric hindrance
-
Fluorescent competitive assay for melamine using dummy molecularly imprinted polymers as antibody mimics
作者:Du Xin-wei;She Yong-xin;Zhao Feng-nian;Wang Jing;Wang Shan-shan;Jin Fen;Shao Hua;Jin Mao-jun;Zheng Lu-fei;Du Xin-wei;She Yong-xin;Zhao Feng-nian;Wang Jing;Wang Shan-shan;Jin Fen;Shao Hua;Jin Mao-jun;Zheng Lu-fei;Zhang Yan-xin;Liu Guang-yang
关键词:dummy molecularly imprinted polymers;melamine;fluorescent competitive assay;artificial antibody
-
Pathogenic variation and molecular characterization of Fusarium species isolated from wilted sesame in China
作者:Li Dong-hua;Wang Lin-hai;Zhang Yan-xin;Lv Hai-xia;Qi Xiao-qiong;Wei Wen-liang;Zhang Xiu-rong
关键词:Sesamum indicum L.;Fusarium wilt;Fusarium oxysporum;amplified fragment length polymorphism (AFLP);pathogenicity
-
Cloning of TaCYP707A1 Gene that Encodes ABA 8 '-Hydroxylase in Common Wheat (Triticum aestivum L.)
作者:Zhang Chun-li;He Xin-yao;He Zhong-hu;Wang Lin-hai;Xia Xian-chun;Zhang Chun-li;He Zhong-hu
关键词:Triticum aestivum L.;homeologous cloning;CYP707A1 gene;ABA 8 '-hydroxylase