Transferring Translucent Endosperm Mutant Gene Wx-mq and Rice Stripe Disease Resistance Gene Stv-b~ by Marker-Assisted Selection in Rice （Oryza sativa）

A high-yielding japonica rice variety, Wuyunjing 7, bred in Jiangsu Province, China as a female parent was crossed with a Japanese rice variety Kantou 194, which carries a rice stripe disease resistance gene Stv-b＇ and a translucent endosperm mutant gene Wx-mq. From F2 generations, a sequence charac...

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Bibliographic Details
Published in:水稻科学：英文版 2011, Vol.18 (2), p.102-109
Main Author: YAO Shu CHEN Tao ZHANG Ya-dong ZHU Zhen ZHAO Ling ZHAO Qing-yong ZHOU Li-hui WANG Cai-lin
Format: Article
Language:English
Subjects:
Oryza
传输
半透明
抗性基因
抗病相关基因
标记辅助选择
水稻条纹叶枯病
胚乳突变基因
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Summary:A high-yielding japonica rice variety, Wuyunjing 7, bred in Jiangsu Province, China as a female parent was crossed with a Japanese rice variety Kantou 194, which carries a rice stripe disease resistance gene Stv-b＇ and a translucent endosperm mutant gene Wx-mq. From F2 generations, a sequence characterized amplified region （SCAR） marker tightly linked with Stv-b＇ and a cleaved amplified polymorphic sequence （CAPS） marker for Wx-mq were used for marker-assisted selection. Finally, a new japonica rice line, Ning 9108, with excellent agronomic traits was obtained by multi-generational selection on stripe disease resistance and endosperm appearance. The utilization of the markers from genes related to rice quality and disease resistance was helpful not only for establishing a marker-assisted selection system of high-quality and disease resistance for rice but also for providing important intermediate materials and rapid selection method for good quality, disease resistance and high yield in rice breeding.
ISSN:1672-6308
1876-4762