PRELIMINARY RESULTS CONCERNING THE GENETIC VARIABILITY OF SOME MUTANT LINES OF WHEAT EXPERIMENTED TO ARDS CARACAL

Authors

  • Paula Iancu University of Craiova, Faculty of Agronomy
  • Marin Soare University of Craiova, Faculty of Agronomy
  • Dorina Bonea University of Craiova, Faculty of Agronomy
  • Ovidiu Panita University of Craiova, Faculty of Agronomy

Abstract

In this work it is presented preliminary results on genetic variability of some mutant/recombinant lines of wheat obtained at NARDI Fundulea and experienced in ARDS Caracal, in a joint research project. Diversifying sources of useful genes by mutagenesis (physical and chemical) and distant hybridization works is one of the most important objectives that have worked in recent years to NARDI Fundulea.
To ARDS Caracal, 10 mutant/recombinant lines of autumn wheat, along their parental forms, were tested analyzing the genetic variability of production components, namely: plant height, no. of fertile tillers, ear length, number of spikelets/ear, no. grains/ spike, grain weight/spike and one thousand grain mass. The objective of this study was to assess the use of the morphological issues at level of genetic variability within a representative new sample of mutant wheat lines. It was observed through a large amount of variability guidelines: Ai- II 131 for reduced plant height, Ai- II 172 for number of spikelets/spike, Ai- II 201 for spike length, Ai- II 223 for grain yield and Bi- I 3 for number of fertile tillers, number of grain/spike, number of spikelets/spike, spike lenghth and grain yield.
Increased genetic variability in wheat mutant lines and, thus, broadening the genetic base, may lead to the identification of valuable genotypes for improvement in terms of productivity, plant height, resistance to lodging, etc. Therefore, identification of genetic diversity is a good tool for selecting these mutant lines in breeding programs.

Published

2017-01-21

Issue

Section

Working Group 1: Plant Cultivation and Animal Growing Technologies