Cereal Research Communications

, Volume 46, Issue 3, pp 467–479 | Cite as

Identification of New Donors for Spot Blotch Resistance in Cultivated Wheat Germplasm

  • J. KumariEmail author
  • S. Kumar
  • N. Singh
  • S. S. Vaish
  • S. Das
  • A. Gupta
  • J. C. Rana
Open Access


One thousand four hundred and eighty three spring wheat germplasm (Triticum aestivum L.) lines comprising Indian as well as exotic lines were screened for resistance to spot blotch disease during winter 2014-15 at hot spot locations i.e., Banaras Hindu University, Varanasi and Uttar Banga Krishi Vishwavidyalaya, Cooch Behar. Severity of the disease at different stages beginning from tillering to dough stage was recorded. Location Severity Index (LSI) of Varanasi was higher than Cooch Behar. Twenty eight accessions were resistant or highly resistant at both locations. These 28 accessions were validated during the winter season (2015–2016). These germplasm were also evaluated at four environments for agronomic traits. Out of 28 accessions, seven (IC564121, IC529684, IC443669, IC443652, IC529962, IC548325 and EC178071-331) were highly resistant across the locations and over the years of study. These accessions comprised one exotic and six indigenous accessions belonging to Uttarakhand and Haryana. Two lines (IC529962 and IC443652) had higher yield than the best check at all the locations. These lines showing highly resistant reaction alongwith wider adaptability can be expedited for direct cultivation or for the development of high yielding and disease resistant cultivars. These lines can also be used for identification of novel resistance gene using allele mining tools and their deployment for the development of spot blotch resistant cultivars.


wheat spot blotch germplasm stability 

Supplementary material

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Supplementary material, approximately 354 KB.


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© Akadémiai Kiadó, Budapest 2018

This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (, 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

  • J. Kumari
    • 1
    Email author
  • S. Kumar
    • 1
  • N. Singh
    • 1
  • S. S. Vaish
    • 2
  • S. Das
    • 3
  • A. Gupta
    • 4
  • J. C. Rana
    • 5
  1. 1.ICAR-National Bureau of Plant Genetic ResourcesNew DelhiIndia
  2. 2.Institute of Agricultural SciencesBanaras Hindu UniversityVaranasiIndia
  3. 3.Uttar Banga Krishi ViswavidyalayaPundibari, CoochBeahar, West BengalIndia
  4. 4.ICAR-Indian Institute of Wheat and Barley ResearchKarnalIndia
  5. 5.Bioversity InternationalNew DelhiIndia

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