2007
DOI: 10.1590/s0100-204x2007000800004
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Redução dos sintomas causados pela Xylella fastidiosa subsp. pauca por meio de aplicação de benzotiadiazole e silício

Abstract: O objetivo deste trabalho foi avaliar o efeito da aplicação do benzotiadiazole (BTH) e do silício sobre o controle da doença causada pela Xylella fastidiosa subsp. pauca em Nicotiana tabacum. Os experimentos foram conduzidos em condições de casa de vegetação, onde as plantas de N. tabacum receberam inoculação de X. fastidiosa (linhagem 9a5c) com 4,7x10(7) UFC mL-1. Os tratamentos consistiram da pulverização das folhas, com soluções de BTH (0,6 e 1,2 mM), e aplicação ao solo de soluções de metassilicato de sódi… Show more

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Cited by 3 publications
(3 citation statements)
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“…The evaluation of Fb7 and 9a5c strains infectivity in N. tabacum presented symptoms of chlorosis on leaves, characteristic of this pathosystem [85]. In addition, some leaves inoculated with strain Fb7 displayed even more evident characteristic symptoms of leaf scorch and tissue darkening [86,87].…”
Section: Discussionmentioning
confidence: 98%
See 1 more Smart Citation
“…The evaluation of Fb7 and 9a5c strains infectivity in N. tabacum presented symptoms of chlorosis on leaves, characteristic of this pathosystem [85]. In addition, some leaves inoculated with strain Fb7 displayed even more evident characteristic symptoms of leaf scorch and tissue darkening [86,87].…”
Section: Discussionmentioning
confidence: 98%
“…This may be due to the higher concentration of some of the proteins mentioned above or in addition to a stronger host response to the bacterial cells or its secretion products. N. tabacum is considered an important host for experimental trials since it presents susceptibility to the CVC pathogen and faster development of symptoms when compared to citrus [85]. However, although it is a model plant for evaluating pathogen-host interactions [88], complementary trials in the natural host could strengthen the comparison provided herein.…”
Section: Discussionmentioning
confidence: 99%
“…Outro efeito positivo foi observado em plantas de citros onde o fornecimento metassilicato de sódio, via solo, reduziu os sintomas da clorose variegada do citros (CVC), causado pela Xylella fastidiosa subsp. pauca (17). Em plantas de meloeiro amarelo, o silício reduziu significativamente o índice de doença, causada por Acidovorax avenae subsp.…”
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