نتایج جستجو برای: stem rust

تعداد نتایج: 282360  

2016
Russell A. Ward Russell Andrew Ward Stephen Baenziger

.........................................................................................ii ACKNOWLEDGEMENTS........................................................................iv TABLE OF CONTENTS............................................................................v FORWARD..........................................................................................vi LIST OF ABBREVIATIO...

2008
Mohamed Mergoum Richard C. Frohberg Robert W. Stack Jack W. Rasmussen Timothy L. Friesen

224 Journal of Plant Registrations, Vol 2, No. 3, September 2008 ‘Faller’ (Reg. No. CV-1026, PI 648350) hard red spring wheat (HRSW) (Triticum aestivum L.) was tested as experimental line ND805, developed at North Dakota State University (NDSU), and released by the North Dakota Agricultural Experiment Station (NDAES). In addition to researchers at NDSU, USDA-ARS researchers at Fargo, ND, contri...

Journal: :Agronomy 2021

Climate change calls for novel approaches to include environmental effects in future breeding programs forage crops. A set of ryegrasses (Lolium) varieties was evaluated multiple European environments crown rust (Puccinia coronata f. sp. lolii) and stem (P. graminis graminicola) resistance. Additive Main Effect Multiplicative Interaction (AMMI) analysis revealed significant genotype (G) environ...

2013
Lili L. Qi Gerald J. Seiler Brady A. Vick Thomas J. Gulya

 Sunflower production in North America has recently been threatened by the evolution of new virulent pathotypes of sunflower rust caused by the fungus Puccinia helianthi Schwein. Rf ANN-1742, an ‘HA 89’ backcross restorer line derived from wild annual sunflower (Helianthus annuus L), was identified as resistant to North America rust races 336 (the predominant race over three years) and 777 (th...

Journal: :The plant genome 2017
Kathy Esvelt Klos Belayneh A Yimer Ebrahiem M Babiker Aaron D Beattie J Michael Bonman Martin L Carson James Chong Stephen A Harrison Amir M H Ibrahim Frederic L Kolb Curt A McCartney Michael McMullen Jennifer Mitchell Fetch Mohsen Mohammadi J Paul Murphy Nicholas A Tinker

Oat crown rust, caused by f. sp. , is a major constraint to oat ( L.) production in many parts of the world. In this first comprehensive multienvironment genome-wide association map of oat crown rust, we used 2972 single-nucleotide polymorphisms (SNPs) genotyped on 631 oat lines for association mapping of quantitative trait loci (QTL). Seedling reaction to crown rust in these lines was assessed...

2017
Jin Long James B. Holland Gary P. Munkvold Jean-Luc Jannink

Crown rust, caused by the fungal pathogen, Puccinia coronata Corda var. avenae W.P. Fraser Ledingham, reduces kernel quality and grain yield in oat (Avena sativa L.). Partial resistance is considered to be a durable form of rust resistance. This study sought to evaluate the feasibility of simultaneously improving partial resistance to crown rust, grain yield, and seed weight in an oat populatio...

Journal: :Phytopathology 2003
G L Brown-Guedira S Singh A K Fritz

ABSTRACT Host plant resistance is an economical and environmentally sound method of control of leaf rust caused by the fungus Puccinia triticina, which is one of the most serious diseases of wheat (Triticum aestivum) worldwide. Wild relatives of wheat, including the tetraploid T. timopheevii subsp. armeniacum, represent an important source of genes for resistance to leaf rust. The objectives of...

2017
Rao Zhang

Rust is a safe systems programming language. It introduces the concept of ownership, used formemorymanagement to prevent segment fault, resulting from improper memory manipulation. However, this mechanism to guarantee memory safety may bring about obstacles for usage of shared memory resources. Graph is such an example with shared nodes and edges mutually connected to each other. In this report...

2014
Sílvia Tavares Ana Paula Ramos Ana Sofia Pires Helena G. Azinheira Patrícia Caldeirinha Tobias Link Rita Abranches Maria do Céu Silva Ralf T. Voegele João Loureiro Pedro Talhinhas

Rust fungi (Basidiomycota, Pucciniales) are biotrophic plant pathogens which exhibit diverse complexities in their life cycles and host ranges. The completion of genome sequencing of a few rust fungi has revealed the occurrence of large genomes. Sequencing efforts for other rust fungi have been hampered by uncertainty concerning their genome sizes. Flow cytometry was recently applied to estimat...

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