IDENTIFICATION OF GERMPLASM OF WHEAT ON LEAF RUST (PUCCINIA RECONDITA ROB. EX DESM. F.SP. TRITICI)Kanat Galymbek, Alma Myrzabekovna Kokhmetova, Kadir Akan, Aigul Kalikhozhaevna Madenova and Makpal Nurzhumaevna Atishova
Leaf rust is the most common and dangerous disease of wheat. Despite comprehensive studies of leaf rust (Puccinia recondita Rob. ex Desm. f.sp. tritici), protection of wheat from this disease is still relevant. In order to determine resistance to leaf rust under field and laboratory conditions, phenologic, phytopathological and genetic studies were conducted on 55 varieties of wheat and 40 isogenic lines of the variety Thatcher. Out of above-mentioned varieties of wheat, 4 (Alikhan, Akdan, Koksuand Krasnovodopadskaya-25) were selected that showed results by all features. During the screening of the population on isogenic lines for leaf rust the best results were demonstrated by lines RL6010 (Lr9), RL6079 (Lr28), RL6040 (Lr19), RL6084 (Lr19), RL6008 (Lr17), RL6009 (Lr18), RL6012 (Lr23), RL6064 (Lr24) and RL6144 (Lr45). These valuable genotypes will be recommended for use in selection as a valuable source material in releasing leaf rust resistant varieties in the future.
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