Molecular Detection and Resistance Determination of Rice Blast-resistance Genes

ZHOU Peng; TU Shi-hang; DONG Rui-xia; WANG Hong-fei; ZHENG Yi; WANG Zhi-fu; ZHANG Shui-jin; YOU Qing-ru; DONG Lian-fei; HUANG Ting-xu; ZHENG Jia-tuan

doi:10.19303/j.issn.1008-0384.2016.09.012

Volume 31 Issue 9

Nov. 2016

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Article Navigation > Fujian Journal of Agricultural Sciences > 2016 > 31(9): 962-965

ZHOU Peng, TU Shi-hang, DONG Rui-xia, WANG Hong-fei, ZHENG Yi, WANG Zhi-fu, ZHANG Shui-jin, YOU Qing-ru, DONG Lian-fei, HUANG Ting-xu, ZHENG Jia-tuan. Molecular Detection and Resistance Determination of Rice Blast-resistance Genes[J]. Fujian Journal of Agricultural Sciences, 2016, 31(9): 962-965. doi: 10.19303/j.issn.1008-0384.2016.09.012

Citation:

ZHOU Peng, TU Shi-hang, DONG Rui-xia, WANG Hong-fei, ZHENG Yi, WANG Zhi-fu, ZHANG Shui-jin, YOU Qing-ru, DONG Lian-fei, HUANG Ting-xu, ZHENG Jia-tuan. Molecular Detection and Resistance Determination of Rice Blast-resistance Genes[J]. Fujian Journal of Agricultural Sciences, 2016, 31(9): 962-965. doi: 10.19303/j.issn.1008-0384.2016.09.012

Citation:

ZHOU Peng, TU Shi-hang, DONG Rui-xia, WANG Hong-fei, ZHENG Yi, WANG Zhi-fu, ZHANG Shui-jin, YOU Qing-ru, DONG Lian-fei, HUANG Ting-xu, ZHENG Jia-tuan. Molecular Detection and Resistance Determination of Rice Blast-resistance Genes[J]. Fujian Journal of Agricultural Sciences, 2016, 31(9): 962-965. doi: 10.19303/j.issn.1008-0384.2016.09.012

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Molecular Detection and Resistance Determination of Rice Blast-resistance Genes

doi: 10.19303/j.issn.1008-0384.2016.09.012

Institute of Rice, Fujian Academy of Agricultural Sciences, Fuzhou, Fujian 350018, China

Received Date: 2016-03-11
Rev Recd Date: 2016-05-18
Publish Date: 2016-09-28

Abstract

Abstract

To avoid a possible loss of blast-resistance in rice when a single resistance gene was dependent upon for the disease prevention, new rice varieties with durable rice blast-resistance were cultivated. Forty-eight field materials of advanced-generation were obtained through a multiple-generation selection from the crosses using 4 maintainer lines, 6 restorer lines and 3 conventional rice varieties as receptor parents with 75-1-127 (harboring blast gene Pi9) and U19 (harboring blast resistance gene Pi25) as donor parents. Evaluated by their resistance to the leaf blast disease, 5 lines were classified as highly resistant, 25 moderately resistant, and the remainders moderately or highly susceptible varieties. A marker-assisted selection showed that, among them, 19 advanced-generation lines carried blast-resistance gene Pi9, and 5 had blast-resistance gene Pi25.
- rice,
- leaf blast,
- blast-resistance,
- molecular marker

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References(18)

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