[1]邢运高,刘艳,迟铭,等.黄淮稻区早熟水稻品种(品系)穗颈瘟抗性分析[J].江苏农业学报,2021,(05):1089-1099.[doi:doi:10.3969/j.issn.1000-4440.2021.05.001]
　XING Yun-gao,LIU Yan,CHI Ming,et al.Resistance analysis of early-maturing rice varieties (strains) to neck blast in Huang-Huai rice region[J].,2021,(05):1089-1099.[doi:doi:10.3969/j.issn.1000-4440.2021.05.001]
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黄淮稻区早熟水稻品种(品系)穗颈瘟抗性分析()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2021年05期
页码:
1089-1099
栏目:
遗传育种·生理生化
出版日期:
2021-10-30

文章信息/Info

Title:
Resistance analysis of early-maturing rice varieties (strains) to neck blast in Huang-Huai rice region
作者:
邢运高; 刘艳; 迟铭; 陈庭木; 孙志广; 徐波; 杨波; 李景芳; 李健; 方兆伟; 卢百关; 王宝祥; 徐大勇
（连云港市农业科学院/江苏省现代作物生产协同创新中心，江苏连云港222006）
Author(s):
XING Yun-gao; LIU Yan; CHI Ming; CHEN Ting-mu; SUN Zhi-guang; XU Bo; YANG Bo; LI Jing-fang; LI Jian; FANG Zhao-wei; LU Bai-guan; WANG Bao-xiang; XU Da-yong
(Lianyungang Academy of Agricultural Sciences/Jiangsu Collaborative Innovation Center for Modern Crop Production, Lianyungang 222006, China)
关键词:
水稻; 早熟品种(品系); 稻瘟病; 抗性基因
Keywords:
rice; early-maturing varieties （strains）; rice blast; resistant gene
分类号:
S435.111.4+1
DOI:
doi:10.3969/j.issn.1000-4440.2021.05.001
文献标志码:
A
摘要:
为明确黄淮稻区早熟水稻品种(品系)的稻瘟病抗性，对145份黄淮稻区早熟水稻品种(品系)进行连续2年的接种鉴定，并利用Pi-ta、Pi-b、Pi-km、Pi-54、Pi-5和Pi-gm 6个抗病基因的分子标记进行抗稻瘟基因型检测。抗性基因在检测品种(品系)中的分布结果表明，抗性基因Pi-b分布比例最高，检出率为57.9%，其次是抗性基因Pi-km、Pi-ta、Pi-54和Pi-5，检出率分别为51.0%、42.1%、32.4%及32.4%，抗性基因Pi-gm分布比例最低，仅有4.1%。2019-2020年连续2年的人工接种鉴定结果显示，74.5%和68.3%的品种(品系)表现为感病，说明黄淮稻区早熟品种(品系)的稻瘟病抗性较差，抗病材料较少。携带抗性基因Pi-ta、Pi-b、Pi-km、Pi-54、Pi-5和Pi-gm的品种(品系)，2019年抗性比例分别为42.6%、21.4%、27.7%、34.3%、27.7%和100.0%，2020年抗性比例分别为49.2%、26.2%、25.5%、32.9%、34.0%和100.0%。6个基因中，Pi-gm抗性比例最高，达到100.0%，Pi-ta次之，抗性比例达45.9%，而Pi-b最差，抗性比例仅为23.8%。黄淮稻区早熟水稻品种(品系)抗稻瘟病能力较差，需要通过聚合多个抗性基因来提高抗性，特别需要加强Pi-gm等新的抗稻瘟病基因的应用。
Abstract:
To clarify the resistance of early-maturing rice varieties (strains) to rice blast in Huang-Huai rice region, 145 early-maturing rice varieties (strains) in Huang-Huai rice region were identified through artificial inoculation in two consecutive years. The rice blast resistant genotypes were analyzed by molecular markers of six resistance genes such as Pi-ta、Pi-b、Pi-km、Pi-54、Pi-5 and Pi-gm. Among the tested varieties (strains), resistance gene Pi-b had the highest distribution proportion, with a detection rate of 57.9%, followed by resistance genes Pi-km, Pi-ta, Pi-54 and Pi-5, their detection rates were 51.0%, 42.1%, 32.4% and 32.4% respectively, and resistance gene Pi-gm had the lowest distribution proportion, which was only 4.1%. The identification results of artificial inoculation in two consecutive years from 2019 to 2020 showed that, 74.5% and 68.3% of the varieties (strains) were sensitive to rice blast in 2019 and 2020, respectively. It was indicated that the resistance of early-maturing varieties (strains) in Huang-Huai rice region was poor and the resistant materials were few. The resistance proportions of the varieties (strains) carrying resistance genes Pi-ta、Pi-b、Pi-km、Pi-54、Pi-5 and Pi-gm were 42.6%, 21.4%, 27.7%, 34.3%, 27.7% and 100.0% respectively in 2019, and were 49.2%, 26.2%, 25.5%, 32.9%, 34.0% and 100.0% in 2020. Among the six genes, Pi-gm had the highest resistance proportion, which reached 100.0%, followed by Pi-ta, with resistance proportion of 45.9%. Pi-b had the lowest resistance proportion, with a resistance proportion of only 23.8%. The resistance of the early-maturing rice varieties (strains) to rice blast in Huang-Huai rice region is poor, and is necessary to aggregate multiple resistance genes to improve the resistance of rice varieties (strains), especially to strengthen the application of new blast resistance genes.

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备注/Memo

备注/Memo:
收稿日期：2021-03-26基金项目：国家现代农业产业技术体系建设专项(CARS-01-61)；江苏省农业重大新品种创制项目 (PZCZ201704)；江苏省重点研发计划项目（现代农业）(BE2018337、BE2021321)；连云港市财政专项资金项目(QNJJ1911)作者简介：邢运高（1988-），男，安徽庐江人，硕士，助理研究员，主要从事水稻遗传育种。(Tel)0518-83081709;（E-mail）1009965234@qq.com通讯作者：王宝祥，（E-mail）wbxrice@163.com； 徐大勇，（E-mail）xudayong3030@sina.com
更新日期/Last Update: 2021-11-09