部分玉米种质南繁区自然条件下抗锈性评价

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英文篇名：Evaluation of Rust Resistance of Some Maize Germplasms under Natural Conditions in Off-season Multiplication 作者：刘秀峰 ; 吴红宇 ; 楼辰军 ; 杨兆顺 ; 袁文娅 ; 许高平 英文作者：LIU Xiufeng;WU Hongyu;LOU Chenjun;YANG Zhaoshun;YUAN Wenya;XU Gaoping;Tianjin Institute of Crop Science;Heyuxin Agricultural Technology Development Co.,Ltd.; 关键词：玉米锈病 ; 玉米种质 ; 抗性 英文关键词：maize rust;;maize germplasm;;resistance 中文刊名：SXLX 英文刊名：Journal of Shanxi Agricultural Sciences 机构：天津市农作物研究所;禾雨鑫农业技术开发有限责任公司; 出版日期：2019-03-13 出版单位：山西农业科学 年：2019 期：v.47;No.397 基金：天津市农业科学院院长基金项目(17018) 语种：中文; 页：SXLX201903029 页数：4 CN：03 ISSN：14-1113/S 分类号：133-135+144

摘要

利用形态特征和分子标记技术对海南省南繁区玉米锈病病原菌进行了鉴定,并对创制的玉米种质材料在自然发病条件下进行成株期抗锈性鉴定。结果表明,海南省南繁区玉米锈病病原菌为玉米多堆柄锈菌;对161份玉米种质在散粉期进行抗锈性鉴定可知,有100份玉米种质表现为高抗和抗病,21份种质表现为感病,14份玉米种质表现为高感。结果显示,不同玉米种质对南方锈病的抗性存在明显差异,加强玉米种质抗锈性研究对玉米锈病的防治具有重要意义。
        The objective of this study was to identify the pathogen causing rust on maize in district of off-season multiplication in Hainan province, and to evaluate the resistance of maize germplasm to maize rust pathogen at adult stage in field. The result showed that the causal agent of maize rust in Hainan province was Puccinia polysora based on the morphological characteristics and molecular technique. Resistance of 161 maize germplasm to Puccinia polysora at flowering stage in field were evaluated. 100 maize germplasms were resistant to Puccinia polysora and 35 germplasm were susceptible, in which 14 maize germplasm was highly susceptible. The results show the significantly different resistance of maize germplasm to Puccinia polysora. Furthermore, screening the resistant maize materials from diverse maize pools will benefit in effective controlling of corn rust.

引文

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