Distant and intraspecific hybridization, induced mutagenesis in soft bread wheat
DOI:
https://doi.org/10.26577/2218-7979-2016-9-1-19-23Keywords:
breeding, chemical mutagenesis, isogenic lines, replacement of chromosomes, distant hybridization, variety, wheat chromosomesAbstract
Increase wheat yields by improving its genotype – one of the most urgent problems of the rural economy. At present, using traditional methods of selection and genetic studies, such as backcross selection, distant hybridization, experimental mutagenesis, increased efficiency of obtaining genetically modified and improved forms of wheat. Thehigh content of mono phosphorus (H3PO4, 5%) leads to a weak mutagenic effect, and its 0.1% concentration promotes the development of plants biomass. Fertility rates of soft wheat hybrids crosses with wild species (Т. timopheevii, Т. dicoccum and T. kiharae) depend on the direction of crossing and genotypes of initial varieties. Wild species as the parent component positively affect the high percentage of grain fertility. Genome of Nadezhda variety is compatible with genomes of wild species [1, 2].
References
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4 Aksyonova E., Sinyavskaya M., Danilenko N. et al. Heteroplasmy and paternally oriented shift of the organellar DNA composition in barley-wheat hybrids during backcrosses with wheat parents // Genome. 2005. 48. P. 761-769.
2. Dunayev M., Klyachko N.L. A comparative study of the effect of surfactants on the wheat // Plant Physiology. 2002, 39(1). P. 151-156.
3. Timonova E.M., Leonova I.N., Belan I.A., Rosseeva L.P., Salina E.A. The impact of individual sections of chromosomes Triticum Timopheevii formation of resistance to diseases and quantitative traits Vavilov // Journal of Genetics and Breeding. 2012. 16(1). P. 142-159.
4 Aksyonova E., Sinyavskaya M., Danilenko N. et al. Heteroplasmy and paternally oriented shift of the organellar DNA composition in barley-wheat hybrids during backcrosses with wheat parents // Genome. 2005. 48. P. 761-769.
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Published
2016-06-30
How to Cite
Shulembaeva, K. K., Zh. Zh. Chunetova, and A. I. Zhussupova. 2016. “Distant and Intraspecific Hybridization, Induced Mutagenesis in Soft Bread Wheat”. International Journal of Biology and Chemistry 9 (1):19-23. https://doi.org/10.26577/2218-7979-2016-9-1-19-23.
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Biology
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