Literature Results

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Genomic and pedigree-based prediction for leaf, stem, and stripe rust resistance in wheat

The unceasing plant-pathogen arms race and ephemeral nature of some rust resistance genes have been challenging for wheat (Triticum aestivum L.) breeding programs and farmers. Hence, it is important to devise strategies for effective evaluation and exploitation of quantitative rust resistance. One promising approach that could accelerate gain from selection...

Philomin Juliana, Ravi P. Singh, Pawan K. Singh, Jose Crossa, Julio Huerta-Espino, Caixia Lan, Sridhar Bhavani, Jessica E. Rutkoski, Jesse A. Poland, Gary C. Bergstrom, Mark E. Sorrells

Theoretical and Applied Genetics · Volume 130 · Issue 7 · 2017

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Physical mapping of DNA markers linked to stem rust resistance gene Sr47 in durum wheat

In durum wheat (Triticum turgidum subsp. durum), the gene Sr47 derived from Aegilopsspeltoides conditions resistance to race TTKSK (Ug99) of the stem rust pathogen (Puccinia...

Daryl L. Klindworth, Jyoti Saini, Yunming Long, Matthew N. Rouse, Justin D. Faris, Yue Jin, Steven S. Xu

Theoretical and Applied Genetics · Volume 130 · Issue 6 · 2017

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Discovery and characterization of two new stem rust resistance genes in Aegilops sharonensis

Stem rust is one of the most important diseases of wheat in the world. When single stem rust resistance (Sr) genes are deployed in wheat, they are often rapidly overcome by the pathogen. To this end, we initiated a search for novel sources of resistance in diverse wheat relatives and identified the wild goatgrass species ...

Guotai Yu, Nicolas Champouret, Burkhard Steuernagel, Pablo D. Olivera, Jamie Simmons, Cole Williams, Ryan Johnson, Matthew J. Moscou, Inmaculada Hernández-Pinzón, Phon Green, Hanan Sela, Eitan Millet, Jonathan D. G. Jones, Eric R. Ward, Brian J. Steffenson, Brande B. H. Wulff

Theoretical and Applied Genetics · Volume 130 · Issue 6 · 2017

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Discovery and characterization of two new stem rust resistance genes in Aegilops sharonensis

Stem rust is one of the most important diseases of wheat in the world. When single stem rust resistance (Sr) genes are deployed in wheat, they are often rapidly overcome by the pathogen. To this end, we initiated a search for novel sources of resistance in diverse wheat relatives and identified the wild goatgrass species ...

Guotai Yu, Nicolas Champouret, Burkhard Steuernagel, Pablo D. Olivera, Jamie Simmons, Cole Williams, Ryan Johnson, Matthew J. Moscou, Inmaculada Hernández-Pinzón, Phon Green, Hanan Sela, Eitan Millet, Jonathan D. G. Jones, Eric R. Ward, Brian J. Steffenson, Brande B. H. Wulff

Theoretical and Applied Genetics · Volume 130 · Issue 6 · 2017

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Microsatellite markers for the Triticum timopheevi-derived leaf rust resistance gene Lr18 on wheat 5BL chromosome

Leaf rust, caused by Puccinia triticina, is a common wheat disease worldwide. Developing resistant cultivars through deploying new or pyramiding resistance genes in a suitable line, is the most effective approach to control this disease. However, to stack genes in a genotype, efficient and reliable markers are required. In the present study, F2 plants and their corresponding...

Ali Aliakbari Sadeghabad, Ali Dadkhodaie, Bahram Heidari, Hooman Razi, Reza Mostowfizadeh-Ghalamfarsa

Breeding Science · Volume 67 · Issue 2 · 2017

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Vulnerability of Barley to African Pathotypes of Puccinia graminis f.sp.tritici and Sources of Resistance

The emergence of widely virulent pathotypes (e.g., TTKSK in the Ug99 race group) of the stem rust pathogen (Puccinia graminis f.sp. tritici) in Africa threatens wheat production on a global scale. Although intensive research efforts have been advanced to address this threat in wheat, few studies have been conducted on barley, even though pathotypes such as TTKSK are known to attack the crop....

B. J. Steffenson, A. J. Case, Z. A. Pretorius, V. Coetzee, F. J. Kloppers, H. Zhou, Y. Chai, R. Wanyera, G. Macharia, S. Bhavani, and S. Grando

Phytopathology · Volume 107 · Issue 8 · 2017

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Genetic analysis of resistance to stripe rust in some Iranian bread wheat cultivars and elite lines

Stripe rust is the most important disease of wheat in many wheat growing areas in Iran. Good knowledge of the genetic basis of resistance to stripe rust in commercial bread wheat cultivars and selected elite lines is an important objective in wheat breeding programs. This study aimed to identify resistance genes and modes of inheritance of stripe rust resistance in recently released Iranian...

A. Zakeri, F. Afshari, M. Yasaie, A. R. Nikzad, S. Rajaei

Crop Breeding Journal · 2017

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First Report of Virulence to Sr25 in Race TKTTF of Puccinia graminis f. sp. tritici Causing Stem Rust on Wheat

Puccinia graminis f. sp. tritici (Pgt) race TKTTF was reported as the dominant race in the wheat stem rust epidemics in Ethiopia during 2014–15 (Olivera et al. 2015). The race and variants hereof have also been recorded elsewhere in Africa, the Middle East, and Europe (...

M. Patpour, M. S. Hovmøller, D. Hodson

Plant Disease · Volume 101 · Issue 9 · 2017

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First Detection of Virulence in Puccinia striiformis f. sp. tritici to Wheat Resistance Genes Yr10 and Yr24 (=Yr26) in Mexico

Stripe rust, caused by Puccinia striiformis f. sp. tritici, was observed on bread wheat (Triticum aestivum L.) lines previously considered to be resistant. Specifically, near isogenic lines (NIL) carrying the resistance genes Yr10, Yr24, and Yr26 at the CIMMYT-Toluca research station were observed to be infected with stripe rust in 2015. Several leaves...

J. Huerta-Espino, R. P. Singh

Plant Disease · Volume 101 · Issue 9 · 2017

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The Lr34 adult plant rust resistance gene provides seedling resistance in durum wheat without senescence

The hexaploid wheat (Triticum aestivum) adult plant resistance gene, Lr34/Yr18/Sr57/Pm38/Ltn1, provides broad-spectrum resistance to wheat leaf rust (Lr34), stripe rust (Yr18), stem rust (Sr57) and powdery mildew (Pm38) pathogens, and has remained effective in wheat crops for many decades. The partial resistance provided by this gene is...

Amy Rinaldo, Brian Gilbert, Rainer Boni, Simon G. Krattinger, Davinder Singh, Robert F. Park, Evans Lagudah, Michael Ayliffe

Plant Biotechnology Journal · Volume 15 · Issue 7 · 2017

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