Genetic analysis of Aegilops tauschii-derived seedling resistance to leaf rust in synthetic hexaploid wheat
نویسندگان
چکیده
منابع مشابه
Genetic Mapping of an Aegilops tauschii–derived Hessian Fly Resistance Gene in Common Wheat
Hessian fl y [Mayetiola destructor (Say)] is a major threat to wheat (Triticum aestivum L.) production in the eastern United States. Cultivar releases containing major Hessian fl y resistance genes have proven effective in minimizing losses caused by this pest. Nevertheless, the ephemeral nature of major gene resistance necessitates the identifi cation of novel sources of resistance. Hessian fl...
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Use of genetic diversity from related wild and domesticated species has made a significant contribution to improving wheat productivity. Synthetic hexaploid wheats (SHWs) exhibit natural genetic variation for resistance and/or tolerance to biotic and abiotic stresses. Stripe rust caused by (Puccinia striiformis f. sp. tritici; Pst), is an important disease of wheat worldwide. To characterise lo...
متن کاملApplicability of Aegilops tauschii drought tolerance traits to breeding of hexaploid wheat
Few genes are available to develop drought-tolerant bread wheat (Triticum aestivum L.) cultivars. One way to enhance bread wheat's genetic diversity would be to take advantage of the diversity of wild species by creating synthetic hexaploid wheat (SW) with the genomic constitution of bread wheat. In this study, we compared the expression of traits encoded at different ploidy levels and evaluate...
متن کاملgenetic analysis of inheritance of resistance in some hexaploid wheat cultivars to 134e134a+, 174e174a + races of stripe rust
inheritance of resistance to stripe rust was studied in wheat by determining the responses of 5 hexaploid wheat cultivars and 10 f1 progenies of their diallel mating crosses, against 2 races of pathogen including 174e174a+, 134e134 a+ in completely randomized design with 3 repetitions under greenhouse conditions at tehran university.the components of resistance including latent period, infectio...
متن کاملGenetic Maps of Stem Rust Resistance Gene Sr35 in Diploid and Hexaploid Wheat
Puccinia graminis f. sp. tritici is the causal agent of stem rust of wheat. A new race designated TTKSK (also known as Ug99) and its variants (TTKST and TTTSK) are virulent to most of the stem rust resistance genes currently deployed in wheat cultivars worldwide. Therefore, identi! cation, mapping, and deployment of effective resistance genes are critical components of global efforts to mitigat...
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ژورنال
عنوان ژورنال: Journal of Applied Genetics
سال: 2020
ISSN: 1234-1983,2190-3883
DOI: 10.1007/s13353-020-00541-z