中国稻米 ›› 2015, Vol. 21 ›› Issue (3): 34-39.DOI: 10.3969/j.issn.1006-8082.2015.03.009

• 专论与研究 • 上一篇    下一篇

广东常规稻品种对稻曲病的抗性评价

  1. 1广东省农业科学院植物保护研究所/广东省植物保护新技术重点实验室, 广州 510640;2中国科学院华南植物园/中国科学院植物资源保护与可持续利用重点实验室,广州 510650
  • 出版日期:2015-05-20 发布日期:2015-05-20
  • 通讯作者: 杨健源
  • 基金资助:

    中国科学院植物资源保护与可持续利用重点实验室开放基金资助项目;国家公益性行业(农业)科研专项(200903039-04);国家现代农业产业技术体系建设专项资金(CARS-01-24);广东省现代农业产业技术体系建设专项(粤财教[2009]356 号)

Resistance Evaluation of Indica Inbred Rice Varieties Against Rice False Smut (Ustilaginoidea virens) in Guangdong Province

  • Online:2015-05-20 Published:2015-05-20

摘要: 2010-2013年采用温室人工注射接种方法和病圃自然诱发法分别鉴定了104个和49个常规稻品种对稻曲病的抗性。温室人工接种抗性评价结果表明,高抗、抗、中抗、中感、感、高感的品种(品系)分别有3个、23个、10个、8个、6个、54个,总体抗感比为34.6∶65.4;病圃自然诱发抗性评价结果表明,高抗、抗、中抗、中感、感、高感的品种(品系)分别有5个、8个、8个、16个、6个、6个,总体抗感比为42.9∶57.1。两个试验结果表明,水稻品种间对稻曲病的抗性有着显著的差异,其中鉴定的品种中有57个是广东历年审定的常规稻品种,总体抗感比为19.3∶80.7,测试品种中大多是感稻曲病的品种,对稻曲病表现良好抗性品种有广盐1号、华航31号、佳辐占、玉香油占、广陆矮4号、七佛占、粤香占等。本研究结果为广东稻区稻曲病防控以及抗病品种的选育应用提供了依据。

关键词: 常规稻, 稻曲病, 抗性评价

Abstract: The resistances of 104 and 49 indica inbred rice varieties against rice false smut (Ustilaginoidea virens) were evaluated by artificial inoculation and natural nursery infection during 2010-2013 in Guangdong Province. There were 3, 23, 10, 8, 6, and 54 varieties showed high resistant(HR), resistant(R), moderately resistant(MR), moderately susceptible(MS), susceptible(S) and high susceptible(HS) respectively by artificial inoculation in greenhouse, the overall R/S ratio was 34.6/65.4. There were 5, 8, 8, 16, 6 and 6 varieties showed HR, R, MR, MS, S and HS respectively by natural infection in nursery, the overall R/S ratio was 42.9/57.1. Both results showed that there were significant differences of resistance against rice false smut in 57 registered varieties in Guangdong, the overall R/S ratio was 19.3/80.7, varieties such as  Guangyan no.1, Huahang no.31, Jiafuzhan, Yuxiangyouzhan, Guangluai no.4, Qifozhan and Yuexiangzhan showed good resistance. The results will provide a basis for disease control and resistance breeding against rice false smut in Guangdong province.

Key words: inbred rice, rice false smut, resistance evaluation, Guangdong Province

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