|
|
AREAS,MAYSA S.; GONÇALVES,RICARDO M.; SOMAN,JOSÉ M.; SOUZA FILHO,RONALDO C.; GIORIA,RICARDO; SILVA JUNIOR,TADEU A.F. DA; MARINGONI,ANTONIO C.. |
ABSTRACT Bacterial spot, caused by Xanthomonas spp., is one of the major bacterial diseases in pepper (Capsicum annuum L.). The infection results in reduced crop yield, particularly during periods of high rainfall and temperature, due to the low efficiency of chemical control with copper bactericides. This study evaluated the copper and zinc sulfate sensitivity of 59 pathogenic strains of Xanthomonas euvesicatoria isolated from pepper plants produced in various regions throughout Brazil. Both the respective sulfates and a mixture thereof was evaluated at 50, 100, 200 and 400 μg.mL-1. All the evaluated strains were found to be resistant to zinc sulfate (100 μg.mL-1) and 86.4% were resistant to copper sulfate (200 μg.mL-1). The mixture of copper (200... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Bacterial spot; Capsicum annuum; Chemical sensitivity; Control. |
Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652018000502375 |
| |