Breeding of a New Rice Variety with RSDResistance and Fragrance by Molecular MarkerAssisted Selection
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    Abstract:

    In order to solve the problem of susceptibility of rice stripe disease (RSD)long growth period and poor eating quality in the major rice cultivars in Shanghai, we crossed female parent ‘Wuyunjing 7’, a Japonica rice variety with high yield and wide adaptability, and ‘Wu 2699’, a Japonica rice strain with high RSDresistance. Subsequently, the F1 of (‘Wuyunjing 7’בWu 2699’) was crossed with male parent ‘Taihuxiangjing’, an earlymaturing and high quality Japonica rice variety. Genotypic detection of QSTV11b and the fragrance gene Badh2 was performed by using molecular markers, which linked to the RSDresistant gene QSTV11b and cosegregated with the fragrance gene Badh2, respectively. By associated with resistance identification and fragrance determination, a fragrant, earlymaturing, high RSDresistant, high yield and excellent eating quality Japonica rice variety named ‘Huxiangjing 151’ was obtained.

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YAN Ying, ZHANG Lixia, LI Gang, ZHANG Yu, WU Shujun. Breeding of a New Rice Variety with RSDResistance and Fragrance by Molecular MarkerAssisted Selection[J]. Acta Botanica Boreali-Occidentalia Sinica,2017,37(9):1736-1742

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  • Online: October 23,2017
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