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KMID : 0381120090310020165
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Genes and Genomics
2009 Volume.31 No. 2 p.165 ~ p.171
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Gene Mapping Related to Yellow Green Leaf in a Mutant Line in Rice (Oryza sativa L.)
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Du Peng
Ling Ying-Hua
Sang Xian-Chun
Zhao Fang-Ming
Xie Rong
Yang Zheng-Lin
He Guang-Hua
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Abstract
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A mutant, which derived from the restorer line Jinhui10 treated with EMS, showed completely yellow green leaves, and it had low chlorophyll content and poor agronomic characteristics during the growing stage. The F1 plants from the cross between normal × the mutant showed normal green leaves, and the segregation ratio of normal to yellow green leaves was 3 : 1 in F2 population. It indicated that the trait was controlled by a single recessive nuclear gene, temporarily designated as ygl3. The gene ygl3 was mapped between RM468 and RM3684 with genetic distances 8.4 cM and 1.8 cM on chromosome 3. This result would be used as genetic information for fine mapping and map-based cloning of ygl3 gene.
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KEYWORD
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rice (Oryza sativa L.), yellow green leaf mutant, chlorophyll, fluorescence kinetic parameters, gene mapping
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