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Wood-associated fungi produce volatile organic compounds toxic to root-knot nematode Scientia Agricola
Pimenta,Lívia; Ferreira,Maria Alves; Pedroso,Marcio Pozzobon; Campos,Vicente Paulo.
ABSTRACT Since volatiles do not leave residues in food and cause low toxicity to humans, they can act as a skeleton for new nematicidal molecules, once they have demonstrated activity against phytonematodes. The aim of this study was to evaluate the effect of volatile organic compounds (VOCs) released by wood-associated fungi on controling second-stage juveniles (J2) of Meloidogyne incognita. All 28 wood-associated fungi isolates produced VOCs which caused in excess of 76 % immobility in exposed J2 of M. incognita. The fungus isolate VOCs also caused significant mortality compared to control when J2 were exposed to them. After 6 h of exposure, the fungus species Epicoccum nigrum and Schizophyllum commune produced VOCs that immobilized exposed J2 compounds,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Epicoccum nigrum; Schizophyllum commune; Root nematodes; Chromatography; Control.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162017000400303
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