[PDF] Top 20 Phenotypic virulence analysis of Pyricularia grisea isolates from Brazilian upland rice cultivars (1)

... de Pyricularia grisea, coletada de 10 cultivares de arroz de terras altas, em três locais distintos, objetivando determinar o grau de similaridade entre virulência fenotípica de isolados, a composição de ... See full document

... specificity of isolates and variability within pathogen population are major factors in adopting appropriate breeding ...parts of the world were focused on phenotypic variability in M. ... See full document

... 1996/97 rice growing season, isolates of P. grisea were collected from four individual ‘Metica-1’ farms, two of them from Lagoa da Confusão (I and IV) and two from ... See full document

... Twenty-six Brazilian pathotypes were identified utilizing eight commercial upland rice cultivars in contrast to 11 international pathotypes (Table ...predominant Brazilian pathotypes ... See full document

... dendrograma construído com base nos dados de virulência fenotípica, permitiu distinguir apenas um grupo, considerando o nível de similaridade de 77%. O patótipo predominante IB-45 foi representado por 47 dos 53 isolados ... See full document

... populations of ‘Primavera’ and ‘BRS Bonança’. They represented seven (IA to IG) of eight international pathotype ...pattern of eight international differentials, 25 pathotypes were identified in a ... See full document

... The virulence frequency of these isolates was based on similarity of reaction among the ...the analysis of phenotypic virulence was created considering number 1 for ... See full document

... and phenotypic structure of Magnaporthe oryzae populations of two upland rice cultivars was ...Monoconidial isolates were obtained from rice blast affected ... See full document

... about virulence and genetic diversity of isolates retrieved from widely grown commercial cultivars is available their value and potential use in breeding for blast resistance ... See full document

... use of molecular tools and virulence evaluations of Pyricularia grisea, the causal agent of rice and wheat blast, has permitted identiication of strains of ... See full document

... absence of hemolytic activity found under the conditions of this study, which are often not reproducible under in vitro conditions, may be related to a lack of activators for expression of ... See full document

... P. grisea utilizados neste estudo foram obtidos de lesões típicas de brusone em arroz (Oryza sativa ...P. grisea desses materiais vegetais estão preservados em sílica gel a 5 ºC no Laboratório de Genética ... See full document

... conducted from November 2010 to April 2012 during the crop years 2010/11 and 2011/12 in the Serra do Quilombo, Celeiro Farm, located in the municipality of Bom Jesus (latitude 9° 16’ 78”S, longitude 44° 44’ ... See full document

... trait of brix tons per hectare in seven environments, and found rgl = ...ton of cane per hectare (TCH) in sugar cane, Oliveira et ...coefficient of interaction effects, of ... See full document

... characteristics of the upland rice root system may be an important factor to increase the K fertilization effect on grain yield, but little is known about their ...pattern of root growth is ... See full document

... fungo Pyricularia grisea (Cooke) Saccardo [teleomorfo Magnaporthe grisea (Hebert) Barr], microrganismo que apresenta alta variabilidade patogênica, com existência de grande número de raças ...P. ... See full document

... amplification of the ISR 16S-23S from all 125 isolates was carried ...Most of the strains ...those isolates classified at the species level, no specific profile could be definitively ... See full document

... cities of Minas Gerais State: Lavras, in the agricultural years of 1994 to 1997, and Lambari, from 1995 to 1997, where 16 to 25 rice (Oryza sativa ...traditional upland and ... See full document

... set of conditions is necessary for the growth and sporulation of fungi, particularly the composition of culture media, temperature and ...objective of this research was to determine the ideal ... See full document

... de Pyricularia grisea, em sementes de trigo, uma das principais fontes de inóculo da ...P. grisea e transmissão do patógeno para ...P. grisea das lesões necróticas que surgiram em qualquer ... See full document