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| Silva,Gisele B.; Zambolim,Laércio; Prabhu,Anne S.; Araújo,Leila G.; Zimmermann,Francisco J.P.. |
| The phenotypic diversity of Magnaporthe grisea was evaluated based on leaf samples with blast lesions collected from eight commercial fields of the upland rice cultivars 'BRS Primavera' and 'BRS Bonança', during the growing seasons of 2001/2002 and 2002/2003, in Goias State. The number of M. grisea isolates from each field utilized for virulence testing varied from 28 to 47. Three different indices were used based on reaction type in the eight standard international differentials and eight Brazilian differentials. The M. grisea subpopulations of ´Primavera' and 'Bonança', as measured by Simpson, Shannon and Gleason indices, showed similar phenotypic diversities. The Simpson index was more sensitive relation than those of Shannon and Gleason for pathotype... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Oryza sativa; Pyricularia grisea; Population dynamics; Rice blast; Pathotypes; Virulence. |
| Ano: 2007 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-41582007000100001 |
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