Distribution and Pathogenicity Differentiation of Physiological Races of Verticillium dahliae from Cotton Stems in Western China [PDF]
PathogensVerticillium wilt, caused by the pathogenic fungus Verticillium dahliae, has emerged as a severe threat to cotton globally. However, little is known about the genetic diversity of this pathogen in an infected single cotton plant.
Jianwei Zhang +7 more
doaj +2 more sources
PHYSIOLOGICAL SPECIALIZATION IN Puccinia triticina, AND GENES CONDITIONING RESISTANCE TO WHEAT LEAF RUST DISEASE IN Egypt [PDF]
Journal of Plant Production, 2006 The Identification of standard physiologic races and pathotypes of wheat leaf rust fungus during 200402005 growing season showed the presence of 10 standard physiologic races of Puccini tn‘rfcine Eriks. These races comprised 18 pathotypes.
A. Youssef,
doaj +1 more source
FREQUENCY OF VERULENCE AND VIRULENCE FORMULA OF WHEAT STEM RUST RACES IDENTIFIED IN EGYPT DURING 2008/09 - 2009/010. [PDF]
Journal of Plant Protection and Pathology, 2011 Wheat stem rust is one of the major diseases on wheat in Egypt which appears annually in virulence of different frequencies. In this investigation, stem rust samples were collected from different locations of lower Egypt during two seasons (2008/09-2009 ...
O. El Sayed, W. Youseef, E. Faizallah
doaj +1 more source
Phenotypic virulence analysis of Pyricularia grisea isolates from Brazilian upland rice cultivars [PDF]
Pesquisa Agropecuária Brasileira, 2001 Phenotypic virulence analysis was made on population of Pyricularia grisea isolates collected from 10 upland cultivars in three distinct rice breeding sites, with the objective of studying the degree of similarity in the phenotypic virulence among the ...
Marta Cristina Filippi +1 more
doaj +1 more source
COMPONENTS OF SLOW RUSTING IN CERTAIN EGYPTIAN WHEAT CULTIVARS AGAINST STEM RUST [PDF]
Journal of Plant Production, 2008 Slow rusting resistance in 14 wheat cultivars against stem rust was studied in seedling stage under circumstances of conditioned greenhouse and in adult stage under the stress of field conditions.
A. Emeran +3 more
doaj +1 more source
Czech Journal of Genetics and Plant Breeding, 2006 In 2001-2004 virulence of the wheat leaf rust population in the Czech Republic was studied on Thatcher near-isogenic lines with Lr1, Lr2a, Lr2b, Lr2c, Lr3a, Lr9, Lr10, Lr11, Lr15, Lr17, Lr19, Lr21, Lr23, Lr24, Lr26 and Lr28.
Alena Hanzalová, Pavel Bartoš
doaj +1 more source
Development of blast resistant somaclones of the upland rice cultivar araguaia [PDF]
Pesquisa Agropecuária Brasileira, 2000 The degree of blast resistance of upland rice (Oryza sativa L.) cultivar Araguaia has decreased over time causing significant yield losses. The major objective of this study was to obtain blast (Pyricularia grisea) resistant somaclones, adapting ...
LEILA GARCÊS DE ARAÚJO +2 more
doaj +1 more source
Phytopathologia Mediterranea, 2005 The physiologic races of the rust fungus Puccinia graminis f. sp. tritici in the main wheat-growing regions of Ethiopia were determined on seedlings of the standard wheat stem rust differentials following the international system of nomenclature.
B. Admassu, E. Fekadu
doaj +1 more source
Madras Agricultural Journal, 1983 Cultivars of linseed which showed resistance to physiologic races of Melampsora lini (Pers) Lev, were recorded the information of which can be employed in breeding programme.
NARENDRA SINGH
doaj +1 more source
IDENTIFICATION OF PHYSIOLOGIC RACES OF Puccinia triticina AND POSTULATED GENES OF RESISTANCE IN CERTAIN EGYPTIAN COMMERCIAL WHEAT CULTIVARS [PDF]
Journal of Plant Protection and Pathology, 2010 The annual survey of 2006/2007 wheat growing season revealed the presence of thrity two physiologic races of wheat leaf rust fungus (Puccinia triticina Eriks.).
S. Negm +3 more
doaj +1 more source