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Integrating genomic-enabled prediction and high-throughput phenotyping in breeding for climate-resilient bread wheat

Genomic selection and high-throughput phenotyping (HTP) are promising tools to accelerate breeding gains for high-yielding and climate-resilient wheat varieties. Hence, our objective was to evaluate them for predicting grain yield (GY) in drought-stressed (DS) and late-sown heat-stressed (HS) environments of the International maize and wheat improvement center’s elite yield trial...

Genetic analysis of resistance to stripe rust in durum wheat (Triticum turgidum L. var. durum)

, Alexander Loladze, Julio Huerta-Espino, Curtis J. Pozniak. Methodology: Xue Lin. Project administration: Curtis J. Pozniak. Resources: Hadley R. Kutcher, John M. Clarke, Yuefeng Ruan, Ron Knox, Andrew G ... Walkowiak, Kirby T. Nilsen, Aron T. Cory, Jemanesh Haile, Karim Ammar, Alexander Loladze, Julio Huerta-Espino, John M. Clarke, Ron Knox, Pierre Fobert, Curtis J. Pozniak. 17 / 20 18 / 20 19 / 20 1. Cakmak I

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

Key message Genomic prediction for seedling and adult plant resistance to wheat rusts was compared to prediction using few markers as fixed effects in a least-squares approach and pedigree-based prediction. Abstract 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...

Genetics and Breeding for Durable Resistance to Leaf and Stripe Rusts in Wheat

Singh, R.P., J. Huerta-Espino and H.M. William. 2004. Genetics and breeding for durable resistance to leaf and stripe rusts in wheat. Turk. J. Agric. For. 28: xxx-xxx. Yellow (or stripe) and leaf (or brown) rusts, caused by Puccinia striiformis and P. triticina, respectively, are important diseases of wheat worldwide. Growing resistant cultivars is the most economical and...

Potential for re-emergence of wheat stem rust in the United Kingdom

Julio Huerta-Espino 17 Muhammed Imtiaz 19 Javed Iqbal Mirza 0 Annemarie F. Justesen 16 Rients E. Niks 1 Ali Omrani 2 Mehran Patpour 16 Zacharias A. Pretorius 3 Ramin Roohparvar 4 Hanan Sela 5 Ravi P

A consensus map for Ug99 stem rust resistance loci in wheat

The global effort to identify new sources of resistance to wheat stem rust, caused by Puccinia graminis f. sp. tritici race group Ug99 has resulted in numerous studies reporting both qualitative genes and quantitative trait loci. The purpose of our study was to assemble all available information on loci associated with stem rust resistance from 21 recent studies on Triticum...

A high density GBS map of bread wheat and its application for dissecting complex disease resistance traits

Background Genotyping-by-sequencing (GBS) is a high-throughput genotyping approach that is starting to be used in several crop species, including bread wheat. Anchoring GBS tags on chromosomes is an important step towards utilizing them for wheat genetic improvement. Here we use genetic linkage mapping to construct a consensus map containing 28644 GBS markers. Results Three RIL...

Nana F2007, cultivar de trigo para siembras de temporal en México

Nana F2007 was developed by the National Wheat Program of the INIFAP and evaluated from 2005 to 2012. This variety is of spring growth habit, with semi-erect carriage at tillering and stem tolerant to lodging, with an average height of 84 cm on average. It is classified as a variety of early cycle, 85 days to 134 days maturity in drought environments rainy, like Gálvez M87, N...

Variación genética de la resistencia A Puccinia triticina E. en trigos duros de Oaxaca, México

Land races of durum wheat (Triticum turgidum var durum), called 'ventureros', collected in the Oaxaca state of México, showed resistance to durum leaf rust (Puccinia triticina E.) race BBG/BN that affects mainly durum wheats. Four of these collections were crossed to the susceptible durum wheat cultivars 'Altar C84' and 'Atil C2001', in order to determine the genetics of the...

Relación de altura y competencia de plantas con incidencia y dispersión de Septoria tritici en trigo de temporal

Septoriosis is a wheat disease that exist in high areas with rainy seasons in the Mexican Highlands. With the aim of analyzing the relation of plant height and density on the incidence and severity of this disease, six lines of seasonal tall wheat and short wheat with competition (furrows 30 cm apart) and without competition (furrows 70 cm apart), were evaluated in the spring...

Josecha F2007, nueva variedad de trigo harinero para la región de El Bajío y zonas de riego del norte de México

Josecha F2007 was developed by the wheat breeding program of INIFAP at the Bajio Experimental Station, Celaya, Guanajuato. Josecha F2007 takes 83 days to flowering and 128 to maturity, produces 8.7% higher yield than Barcenas S2002 and 8.7% than Kronstand F2003 under irrigated conditions. Josecha F2007 has higher resistance to stripped and leaf rust than the commercial wheat...