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Abstract
This article presents the results of the research dedicated to the production of mutant forms under impact of chemical compounds, in particular cadmium chloride; chromosomal localization of genes, responsiblefor the important signs for selection; obtaining morphologically markedaneuploid lines and reconstruction of the genome of soft wheat with intravarietal replacement chromosomes. As a result of the research the optimum concentration of CdCl2 – 0,01%, solution was found. This solution isresponsible for plants growth and development. Among 10 different sortsof soft wheat only 4 species demonstrate sensitivity to chlorine cadmium– Kazakhstan 3, Zhenis, Shagala, Lyutescens 32. The level of fertility of softwheat hybrids crossed with wild species (t. timopheevii, t. dicoccum и t.kiharae) depends on the direction of crosses and specimen genotype. Wildspecies as a parent component, positively impact on a high percentage oftying grains in specific ecological zones of Kazakhstan. It was checked out,that Nadezhda specie genome is highly compatible with the genomes ofwild species T. timopheevii, T. dicoccum и T. kiharae.Key words: Mutagenesis, isogenic substituted wheat lines, selection,mutant strain
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