Literature Results

Displaying 1 - 10 of 660 records | 1 of 66 pages

Comparative Analysis Highlights Variable Genome Content of Wheat Rusts and Divergence of the Mating Loci

Three members of the Puccinia genus, P. triticina (Pt), P. striiformis f.sp. tritici (Pst), and P. graminis f.sp. tritici (Pgt), cause the most common and often most significant foliar diseases of wheat. While similar in biology and life cycle, each species is uniquely adapted and specialized. The genomes of ...

Christina A. Cuomo, Guus Bakkeren, Hala Badr Khalil, Vinay Panwar, David Joly, Rob Linning, Sharadha Sakthikumar, Xiao Song, Xian Adiconis, Lin Fan, Jonathan M. Goldberg, Joshua Z. Levin, Sarah Young, Qiandong Zeng, Yehoshua Anikster, Myron Bruce, Meinan Wang, Chuntao Yin, Brent McCallum, Les J. Szabo, Scot Hulbert, Xiaming Chen, John P. Fellers

G3 · Volume 7 · Issue 2 · 2017

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Identification and validation of single nucleotide polymorphic markers linked to Ug99 stem rust resistance in spring wheat

Wheat stem rust (Puccinia graminis f. sp. tritici Eriks. and E. Henn.) is one of the most destructive diseases world-wide. Races belonging to Ug99 (or TTKSK) continue to cause crop losses in East Africa and threaten global wheat production. Developing and deploying wheat varieties with multiple race-specific genes or complex adult plant resistance is necessary to achieve...

Long-Xi Yu, Shiaoman Chao, Ravi P. Singh, Mark E. Sorrells

PLoS One · 2017

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Speed breeding for multiple disease resistance in barley

To respond faster to the changing climate, evolving pathogens and to feed a global population of 9–10 billion by 2050, plant breeders are exploring more efficient crop improvement strategies. In this study, we applied novel methodology for rapid trait introgression to the European two-rowed barley cultivar Scarlett. Scarlett is widely-grown in Argentina and is preferred for malting and brewing...

Lee T. Hickey, Silvia E. Germán, Silvia A. Pereyra, Juan E. Diaz, Laura A. Ziems, Ryan A. Fowler, Greg J. Platz, Jerome D. Franckowiak, Mark J. Dieters

Euphytica · Volume 213 · Issue 64 · 2017

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Mining Vavilov’s Treasure Chest of Wheat Diversity for Adult Plant Resistance to Puccinia triticina

Leaf rust (LR) caused by Puccinia triticina, is among the most important diseases of wheat (Triticum aestivum L.) crops globally. Deployment of cultivars incorporating genetic resistance, such as adult plant resistance (APR) or all-stage resistance, is considered the most sustainable control method. APR is preferred for durability because it places lower selection pressure on the...

Riaz, A.; Athiyannan, N.; Periyannan, S.; Afanasenko, O.; Mitrofanova, O.; Aitken, E. A. B.; Lagudah, E.; Hickey, L. T.

Plant Disease · Volume 101 · Issue 2 · 2017

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Genetic mapping of stem rust resistance to Puccinia graminis f. sp. tritici race TRTTF in the Canadian wheat cultivar harvest

Stem rust, caused by Puccinia graminis f. sp. tritici, is a destructive disease of wheat that can be controlled by deploying effective stem rust resistance (Sr) genes. Highly virulent races of P. graminis f. sp. tritici in Africa have been detected and characterized. These include race TRTTF and the Ug99 group of races such as TTKSK. Several Canadian and U.S. spring...

Hiebert, C. W.; Rouse, M. N.; Jayaveeramuthu Nirmala; Fetch, T.

Phytopathology · Volume 107 · Issue 2 · 2017

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Highly predictive SNP markers for efficient selection of the wheat leaf rust resistance gene Lr16

Lr16 is a widely deployed leaf rust resistance gene in wheat (Triticum aestivum L.) that is highly effective against the North American Puccinia triticina population when pyramided with the gene Lr34. Lr16 is a seedling leaf rust resistance gene...

Kassa, M. T.; You, F. M.; Hiebert, C. W.; Pozniak, C. J.; Fobert, P. R.; Sharpe, A. G.; Menzies, J. G.; Humphreys, D. G.; Harrison, N. R.; Fellers, J. P.; McCallum, B. D.; McCartney, C. A.

BMC Plant Biology · Volume 17 · Issue 45 · 2017

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Farmers' perceptions on improved bread wheat varieties and formal seed supply in Ethiopia

The paper presents smallholder farmers' perceptions on attributes of bread wheat varieties based on primary data collected from 524 households in four major wheat growing areas of Ethiopia. The results indicated high value of attainment indices for improved varieties compared to landraces, which shows how the demanded attributes are embodied more in improved ones. Grain yield and yellow and...

Bishaw, Z.; Alemu, D.

International Journal of Plant Production · Volume 11 · Issue 1 · 2017

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Adult plant resistance of selected Kenyan wheat cultivars to leaf rust and stem rust diseases

Phenotypic and genotypic evaluation of wheat genetic resources and development of segregating populations are pre-requisites for identifying rust resistance genes. The objectives of this study were to assess adult plant resistance (APR) of selected wheat genotypes to leaf rust and stem rust and to develop segregating populations for resistance breeding. Eight selected Kenyan cultivars with...

S. Figlan, T.A. Baloyi, T. Hlongoane, T.G. Terefe, H. Shimelis, T.J. Tsilo

Cereal Research Communications · Volume 45 · Issue 1 · 2017

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Tight repulsion linkage between Sr36 and Sr39 was revealed by genetic, cytogenetic and molecular analyses

Stem rust resistance genes Sr39 and Sr36 were transferred from Aegilops speltoides and Triticum timopheevii, respectively, to chromosome 2B of wheat. Genetic stocks RL6082 and RWG1 carrying Sr39 on a large and a...

Bosco Chemaye, kUrmil K. Bansal, Naeela Qureshi, Peng Zhang, William W. Wagoire, Harbans S. Bariana

Theoretical and Applied Genetics · Volume 130 · Issue 3 · 2017

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Fine mapping of the chromosome 5B region carrying closely linked rust resistance genes Yr47 and Lr52 in wheat

The widely effective and genetically linked rust resistance genes Yr47 and Lr52 have previously been mapped in the short arm of chromosome 5B in two F3 populations (Aus28183/Aus27229 and Aus28187/Aus27229). The Aus28183/Aus27229 F3 population was advanced to generate an F6 recombinant...

Naeela Qureshi, Harbans Bariana, Kerrie Forrest, Matthew Hayden, Beat Keller, Thomas Wicker, Justin Faris, Elena Salina, Urmil Bansal

Theoretical and Applied Genetics · Volume 130 · Issue 3 · 2017

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