2007
DOI: 10.1590/s0100-41582007000600005
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Caracterização de isolados de Acidovorax avenae subsp. citrulli

Abstract: Foram caracterizados 41 isolados de Acidovorax avenae subsp. citrulli com base em aspectos fisiológicos e bioquímicos. Todos os isolados induziram sintomas típicos da mancha-aquosa em plântulas, plantas e frutos de meloeiro (Cucumis melo) e melancieira (Citrullus lanatus). Pelo teste de agrupamento de Scott-Knott (P = 0,05) os isolados foram separados quanto ao índice de doença em 5 e 7 grupos, respectivamente para plântulas de meloeiro e melancieira, e em 2 grupos para plantas das duas hospedeiras. Em frutos,… Show more

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Cited by 16 publications
(18 citation statements)
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References 11 publications
(24 reference statements)
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“…Our results agree with those obtained in other studies (Silveira et al, 2003;Oliveira et al, 2007). Although hostrelated groups were not observed, the watermelon and 'melão-pepino' strains exhibited only low or moderate virulence on melon.…”
Section: Discussionsupporting
confidence: 92%
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“…Our results agree with those obtained in other studies (Silveira et al, 2003;Oliveira et al, 2007). Although hostrelated groups were not observed, the watermelon and 'melão-pepino' strains exhibited only low or moderate virulence on melon.…”
Section: Discussionsupporting
confidence: 92%
“…Athena when both were inoculated with 10 strains of A. citrulli representing groups I and II (Walcott et al, 2004). Moreover, the pathogen virulence was generally demonstrated to be host specific (Burdman et al, 2005;Oliveira et al, 2007), indicating that melon strains were more virulent to melon than to watermelon, and vice versa. A majority of the A. citrulli strains induced cavity formation in melon fruit pulp, which is a characteristic of moderate or high virulence.…”
Section: Discussionmentioning
confidence: 98%
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