Genetic analysis and mapping of three rice mutants with yellow leaf trait

›› 2012, Vol. 24 ›› Issue (1): 0-11.

• 作物科学 •

Genetic analysis and mapping of three rice mutants with yellow leaf trait

JI Xianjun;YE Shenghai;ZHOU Ya;XIU Fenlian;DENG Xiaomei;SHANG Haixuan;LIU Jiyun;CHEN Pingping;JIN Qingsheng;ZHANG Xiaoming;*

1College of Life and Environment Sciences, Hangzhou Normal University, Hangzhou 310036,China; 2Institute of Crop and Nuclear Technology Utilization,Zhejiang Academy of Agricultural Sciences, Hangzhou 310021,China;3College of Chemistry and Life Science, Zhejiang Normal University, Jinhua 321004, China

Received:1900-01-01 Revised:1900-01-01 Online:2012-01-24 Published:2012-01-24

Abstract

Abstract: Three stably inherited yellow leaf mutants, Yl1, Yl2 and Yl3, were isolated from a japonica rice variety Xiushui 09 treated by ethyl methylsulfonate (EMS). Compared with their wild type Xiushui 09, these mutants showed less tiller and shorter culm, and yellow leaves were observed at the seedling and tilling stages. With the growth of the mutant plants, the leaves turn green. Genetic analysis showed that the yellow leaf traits of the three mutants were all controlled by one pair of recessive nuclear genes. Genetic mapping of the mutant genes were conducted using yellow leaf individuals from the F2 mapping populations of Y 1, Y 2 and Y 3 crossed with indica variety Zhenshan 97. Y 1 was mapped between SSR markers RM282 and RM6080, within genetic distance of 7.5 cM in chromosome 3. While Y 2 and Y 3 were mapped in the same site of chromosome 5 between 5.43w and RM1237, with genetic distances of 2.0 cM and 6.8 cM to each of them, respectively．

Key words: rice, yellow leaf, genetic analysis, mapping

JI Xianjun;YE Shenghai;ZHOU Ya;XIU Fenlian;DENG Xiaomei;SHANG Haixuan;LIU Jiyun;CHEN Pingping;JIN Qingsheng;ZHANG Xiaoming;*. Genetic analysis and mapping of three rice mutants with yellow leaf trait [J]. , 2012, 24(1): 0-11.

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Genetic analysis and mapping of three rice mutants with yellow leaf trait

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