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Cereal Research Communications

, Volume 42, Issue 3, pp 495–502 | Cite as

Evaluation of Seedling Resistance of Rice Germplasm Resources to Sheath Blight (Rhizoctonia solani)

  • B. Chen
  • L. -W. Li
  • Y. -J. Lin
  • Z. -H. Wang
  • G. -D. LuEmail author
Open Access
Pathology

Abstract

Rice sheath blight, caused by Rhizoctonia solani, is the most serious disease in the southern rice producing regions of China. The use of resistant varieties is the most economic strategy to control the disease. In this paper, a seedling inoculation method was used to evaluate rice germplasm resources for resistance to sheath blight. A total of 363 rice varieties were evaluated with a set of R. solani isolates. The results indicated that the rice varieties generally lacked resistance to R. solani, and no highly resistant/immune (HR) variety was found. However, two varieties displayed clear resistance (R) and 37 showed moderate resistance (MR) to the fungus. Overall, hybrid rice varieties have better resistance than conventional rice varieties, and among hybrid rice varieties, those with the II-32A sterile line genetic background were the most resistant. The results also indicated significant interactions between rice varieties and pathogen isolates, suggesting that an understanding of local R. solani populations is needed when recommending varieties to local growers.

Keywords

Rhizoctonia solani artificial inoculation disease response 

Supplementary material

42976_2014_4203495_MOESM1_ESM.pdf (27 kb)
Supplementary material, approximately 27 KB.

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Copyright information

© Akadémiai Kiadó, Budapest 2014

This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

Authors and Affiliations

  • B. Chen
    • 1
  • L. -W. Li
    • 1
  • Y. -J. Lin
    • 1
  • Z. -H. Wang
    • 1
  • G. -D. Lu
    • 1
    • 2
    Email author
  1. 1.The Key Laboratory of Biopesticide and Chemical Biology, Ministry of EducationFujian Agriculture and Forestry UniversityFuzhouChina
  2. 2.National Engineering Research Centre of JUNCAO TechnologyFujian Agriculture and Forestry UniversityFuzhouChina

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