WINTER WHEAT RESISTANCE TO YELLOW RUST IN SOUTHEAST KAZAKHSTAN
Dubekova S. Sarbaev A. Yessimbekova M. Morgounov A. Yesserkenov A.
December 2023Society for the Advancement of Breeding Researches in Asia and Oceania
Sabrao Journal of Breeding and Genetics
2023#55Issue 61910 - 1919 pp.
Wheat yellow (stripe) rust (Puccinia striiformis f. sp. tritici) is a dominant type of winter wheat disease. Developing new, highly productive varieties with increased immunological indicators helps to minimize the threat of rust spread. The progressive study searched the sources of resistance to the Pst populations and determined the effectiveness of Yr genes in Southeast Kazakhstan. Immunological studies ensued during 2018–2022 at the Kazakh Research Institute of Agriculture and Plant growing, Almaty, Kazakhstan. Wheat’s 23 isogenic lines and 193 winter wheat genotypes attained evaluation for their reactions against an artificially infectious background of infection mixed with Pst pathotypes. Determining the intensity of virulence, the effectiveness of Yr genes, and the resistance of genotypes to the Pst population transpired in the said region. During the vegetation period, based on weather conditions, the accumulated flow of the source, and the period of infection, wheat genotypes responded differently to the rust disease manifestation. The wheat genotypes found resistant to P. striiformis and promising for selection with immunity reached nomination. Their practical use centered on increasing the immunological potential of the new winter wheat cultivars for creation and further reducing the large-scale use of fungicides and the negative environmental consequences.
conventional breeding , immunity , isogenic lines , P. striiformis , rust resistance , Wheat (Triticum aestivum L.) genotypes , wheat stripe rust , wheat yellow rust
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Kazakh National Agrarian Research University, Almaty, Kazakhstan
Kazakh Research Institute of Agriculture and Plant growing, Almaty, Kazakhstan
S. Seifullin Kazakh AgroTechnical Research University, Astana, Kazakhstan
Atameken-Agro JSC, Kokshetau, Kazakhstan
Kazakh National Agrarian Research University
Kazakh Research Institute of Agriculture and Plant growing
S. Seifullin Kazakh AgroTechnical Research University
Atameken-Agro JSC
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