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Bacterial spot and early blight biocontrol by epiphytic bacteria in tomato plants PAB
Lanna Filho,Roberto; Romeiro,Reginaldo da Silva; Alves,Eduardo.
The objective of this work was to evaluate in vitro and in vivo biocontrol of bacterial spot (Xanthomonas vesicatoria) and early blight (Alternaria solani) by the epiphytic bacteria Paenibacillus macerans and Bacillus pumilus. Tomato plants were previously sprayed with epiphytic bacteria, benzalkonium chloride and PBS buffer and, after four days, they were inoculated with A. solani and X. vesicatoria. To determine the phytopathogenic bacteria population, leaflet samples were collected from each treatment every 24 hours, for seven days, and plated on semi-selective medium. The effect of epiphytic bacteria over phytopathogens was performed by the antibiosis test and antagonistic activity measured by inhibition zone diameter. The epiphytic and benzalkonium...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Alternaria solani; Bacillus pumilus; Paenibacillus macerans; Xanthomonas vesicatoria; Biological control; Epiphytic bacteria.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2010001200007
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