EFEITO DE ÓLEOS ESSENCIAIS E REVESTIMENTOS COMESTÍVEIS SOBRE PODRIDÕES PÓS-COLHEITA EM MANGA, CV. KENT
2012
MARCELO DE MENEZES CRUZ | SEVERINA RODRIGUES DE OLIVEIRA LINS | SÔNIA MARIA ALVES DE OLIVEIRA | MARIA ANGÉLICA GUIMARÃES BARBOSA
The search for new antimicrobial agents from plants is intense due to the increasing resistance of pathogenic microorganisms to synthetic products. Moreover, the long term use of pesticides cause negative impacts to society and the environment due to pollution caused by chemical waste. The aim of this paper was to evaluate the effect of Lippia sidoides and Piper aduncum oils, carnauba wax and dextrin to control stem-end rot of mango. Fruits of mango cv. Kent were inoculated with suspensions of 106 (conidia/mL) of Lasiodiplodia theobromae or Botryosphaeria dothidea, and after 24 hours there were applied the treatments. The experiment was organized on a completely randomized design with three replications and the experimental unit was composed of a tray containing six fruits. After eight days in cold storage (10 ± 2 º C) the fruits were placed for five days at room temperature (25 ± 2 º C) when were evaluated daily for the disease severity. The best treatments were Lippia sidoides and Piper aduncum oils that showed specificity to control stem-end rot caused by L. theobromae and B. dothidea on mango.
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