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Cereal Research Communications

, Volume 42, Issue 1, pp 19–26 | Cite as

Proportional Contribution and Potential of Maternal and Paternal Genotypes for Polyhaploid Induction in Wheat × Imperata cylindrica Chromosome Elimination Approach

  • S. A. RatherEmail author
  • H. K. Chaudhary
  • V. Kaila
Genetics

Abstract

The Imperata cylindrica-mediated chromosome elimination approach has been identified as the most efficient system of doubled haploidy breeding in wheat (Triticum aestivum L.). The present investigation was carried out to assess the mean performance of diverse I. cylindrica genotypes (five) collected from different locations and wheat F1s (21) generated out of various elite winter and spring wheat ecotypes. Also, the proportional contribution of wheat F1s and I. cylindrica genotypes was evaluated to find out the relative contribution of maternal and paternal parents to haploid induction. The investigation revealed that the mean response of wheat and I. cylindrica to haploid induction parameters, viz. pseudoseed formation, embryo formation, haploid regeneration and haploid formation varies from wheat and I. cylindrica genotype to genotype. The I. cylindrica genotype, Ic-Aru from north east Himalayas and wheat genotype, DH 114 × KWS 29 exhibited highest mean performance to haploid embryo formation, the stage for which all the three contributors, that is, wheat F1s, I. cylindrica genotypes and wheat × I. cylindrica interaction were found to be similar for their proportional contribution (%) towards haploid induction. Thus, concluding that the haploid induction through preferential chromosome elimination approaches can be enhanced by using more efficient pollinators.

Keywords

wheat Imperata cylindrica ecotypes haploid induction proportional contribution 

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© 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

  1. 1.Molecular Cytogenetics & Tissue Culture Lab, Department of Crop ImprovementCSK HP Agricultural UniversityPalampurIndia

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