Results 31 to 40 of about 4,842,066 (260)

Powdery Mildew Resistance Genes in Single-Plant Progenies Derived from Accessions of a Winter Barley Core Collection

Plants, 2021
The main problems of crop gene banks comprise heterogeneity of accessions, resulting from mechanical admixtures or out-crossing during their multiplication, and especially the mislabeling of accessions.
Antonín Dreiseitl, Zdeněk Nesvadba
doaj   +1 more source

Response of Ten Egyptian Wheat Cultivars to Infection by Stem Rust and Postulation of Resistance Genes [PDF]

Egyptian Journal of Phytopathology, 2013
Stem rust has been one of the most serious diseases on wheat in Egypt, particularly on the late sowings. The locally produced wheat cultivars have been developed as field resistant to stem rust regardless their reaction in terms of infection types.
Olfat Moussa, Mona Ragab, Salah El-Din Sherif, Mohamed Abou-Zeid   +3 more
openaire   +1 more source

Mining Middle Eastern and Central Asian Barley Germplasm to Understand Diversity for Resistance to Puccinia hordei, Causal Agent of Leaf Rust

Agronomy, 2021
Vast collections of barley germplasm have been established and conserved in various global gene banks. These collections hold tremendous genetic diversity for resistance genes to Puccinia hordei, a causal agent of barley leaf rust.
Mehnaz Mehnaz, Peter M. Dracatos, Robert F. Park, Davinder Singh   +3 more
doaj   +1 more source

Characterization and Molecular Mapping of a Stripe Rust Resistance Gene in Synthetic Wheat CI110

Journal of Integrative Agriculture, 2012
Stripe rust, caused by Puccinia striiformis f. sp. tritici (Pst), is one of the most destructive diseases of wheat (Triticum aestivum L.). To diversify stripe rust-resistant resources for wheat breeding programs, a CIMMYT synthetic wheat line CI110 was ...
Qiang REN, Hui-juan LIU, Zeng-yan ZHANG, Jing FENG, Shi-chang XU, Zong-jun PU, Zhi-yong XIN   +6 more
doaj   +1 more source

The integrated concept of disease resistance; a new view including horizontal and vertical resistance in plants [PDF]

, 1977
Horizontal, uniform, race-non-specific or stable resistance can be discerned according to Van der Plank, from vertical, differential, race-specific or unstable resistance by a test in which a number of host genotypes (cultivars or clones) are tested ...
Zadoks, J.C., Parlevliet, J.E.
core   +1 more source

Multi-Pathotype Testing of Selected Kenyan Wheat Germplasm and Watkin Landraces for Resistance to Wheat Stripe Rust (Puccinia striiformis f. sp tritici) Races

Agronomy, 2019
Wheat stripe rust, caused by Puccinia striiformis f. sp. tritici (Pst), is one of the key diseases of economic importance in wheat worldwide. Host resistance, which follows the gene-for-gene hypothesis between the host and pathogen, has been used in ...
Mercy N. Wamalwa, James Owuoche, Joshua Ogendo, Ruth Wanyera   +3 more
doaj   +1 more source

Rifampicin resistance in tuberculosis outbreak, London, England [PDF]

, 2005
Mycobacterium tuberculosis isolates cultured from 6 patients associated with an isoniazid-resistant M. tuberculosis outbreak acquired rifampicin resistance. The rpoB gene sequence showed that resistance was associated with rare mutations in each isolate.
Shorten, R J, McHugh, TD, Claxton, A P, Claxton, AP, Mary Jo Knobloch, Gillespie, S H, Claire Jenkins, Stephen H. Gillespie, Shorten, RJ, McHugh, T D, Edward A. Belongia, Richard E. Besser, Timothy D. McHugh, Robert J. Shorten, Burney A. Kieke, Carolyn Janette, Gillespie, SH, Jeffrey P. Davis, Jenkins, C, Alleyna P. Claxton, Gillespie, S H ; id_orcid   +20 more
core   +1 more source

Identity of barley powdery mildew resistances Bw and Ru2

Czech Journal of Genetics and Plant Breeding, 2012
A large number of resistances to powdery mildew (Blumeria graminis f.sp. hordei) and their combinations are known in barley (Hordeum vulgare L.). A similarity of resistance spectra between cultivars carrying the resistance Bw, designated for the winter ...
Antonín DREISEITL
doaj   +1 more source

Identification of dfrA14 in two distinct plasmids conferring trimethoprim resistance in Actinobacillus pleuropneumoniae. [PDF]

, 2015
OBJECTIVES: The objective of this study was to determine the distribution and genetic basis of trimethoprim resistance in Actinobacillus pleuropneumoniae isolates from pigs in England.
Holden, MTG, Atherton, Tom, Rogers, Jon, Maskell, Duncan J, Chaudhuri, RR, Tucker, AW, Rycroft, Andrew N, Rycroft, AN, Walker, S, Tucker, A W, Weinert, LA, Weinert, Lucy A, Wren, Brendan W, Atherton, T, Bossé, J T, BRaDP1T Consortium, Chaudhuri, R R, Bossé, Janine T, Tucker, Alexander W, Chaudhuri, Roy R, Oshota, Olusegun, Walker, Stephanie, Langford, PR, Crespo, R F, Rogers, J, Rycroft, A N, Oshota, O, Fernandez Crespo, R, Wren, BW, Fernandez Crespo, Roberto, Holden, M T G, Williamson, Susanna M, Williamson, S M, Maskell, D J, Wren, B W, Williamson, SM, Weinert, L A, Li, Yanwen, Langford, P R, Maskell, DJ, Langford, Paul R, Holden, Matthew, Li, Y, Holden, Matt TG, Bosse, J, Holden, Matthew; id_orcid   +45 more
core   +1 more source

PHYSIOLOGICAL SPEC'AllZATION IN Puccinia striiformis AND GENES CONDITIONING RESISTANCE TO YELLOW. RUST DISEASE IN CERTAIN WHEAT CUTUVARS IN EGYPT [PDF]

Journal of Plant Production, 2006
The annual survey of wheat yellow rust races in 200212003 growing season resulted in the presence of 10 physiological races of Puccinia striifonnis West. f. sp. trifici.
Gamalat Hermas, S. Negm, I. Youssef,
doaj   +1 more source