Haploid Induction in Triticale × Wheat and Wheat × Rye Derivatives Following Imperata cylindrica-Mediated Chromosome Elimination Approach

Sharma, P. and Chaudhary, H.K. and Manoj, N.V. and Singh, K. and Relan, A. and Sood, V.K. (2019) Haploid Induction in Triticale × Wheat and Wheat × Rye Derivatives Following Imperata cylindrica-Mediated Chromosome Elimination Approach. Cereal Research Communications, 47 (4). pp. 701-713. ISSN 0133-3720

Preview

Text 0806.47.2019.46.pdf Download (268kB) | Preview

Abstract

The present research endeavor was undertaken to depict the response of different generations viz., F₁, F₂, BC₁F₁, BC₁F₂, BC₁F₃, BC₁F₄ and BC₁F₅ of triticale × wheat and wheat × rye hybrids towards the different parameters of haploid induction. The experimental material included the different generations obtained utilizing five genotypes of triticale (DT-123, DT-126, TL-2900, TL-2908 and TL-9335), four genotypes of Himalayan rye (Karoki rye, shanoor rye, tino rye and triloki rye) with various elite bread wheat genotypes as parents in wide hybridization programme. The triticale × wheat and wheat × rye recombinants were further subjected to Imperata cylindrica-mediated chromosome elimination approach of doubled haploidy breeding. The variability in the haploid induction parameters was observed to be under genetic control for embryo formation and regeneration, while pseudoseed formation was only affected by auxin treatment. Among the different generations, the backcross generations viz., BC₁F₁ and BC₁F₂ were found to exhibit significant positive response towards haploid induction parameters in both triticale × wheat and wheat × rye hybridization. Knowledge of effective generation for haploid induction in triticale × wheat and wheat × rye hybridization not only saved the time and energy but also enhanced the efficiency of haploid induction.

Actions (login required)

Edit Item