应用分子标记辅助选择培育抗稻瘟病恢复系R153
第一作者：zhuyujun@caas.cn
收稿日期: 2020-09-24
网络出版日期: 2021-01-20
基金资助
浙江省粮食新品种选育重大科技专项（2016C 02050-6-4）;国家重点研发计划（2017YFD0100300）
Marker-Assisted Selection for Hybrid Rice Restorer Line R153 Conferring Resistance to Blast
1st author: zhuyujun@caas.cn
Received date: 2020-09-24
Online published: 2021-01-20
朱玉君, 黄得润, 樊叶杨, 庄杰云, 沈波 . 应用分子标记辅助选择培育抗稻瘟病恢复系R153[J]. 中国稻米, 2021 , 27(1) : 95 -97 . DOI: 10.3969/j.issn.1006-8082.2021.01.018
The rice blast is one of the most serious diseases in rice production. Breeding for disease resistant varieties is the most effective and efficient method to reduce the disease damage. In this study, one rice candidate restorer line, R153, harboring the rice blast resistance gene Pi25 was selected through the approach of molecular marker-assisted selection using segregating population derived from cross between the Hui11-32 and BL108 （the donor of the blast resistance gene Pi25）. Tightly linked DNA marker Si13070C and functional marker CAP3/BglⅡ were used. The blast resistance identification was conducted in a rice blast disease hotspot location, Shanghang County, Fujian Province, China. R153 showed a good resistance to rice blast in the evaluation and provided a new resource for rice breeding.
Key words： rice; rice blast; marker-assisted selection; Pi25; restorer line
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