Publications by authors named "Aline F Barros"
The demand for new soil fumigants has increased as a result of more restrictive legislation regarding the use of pesticides. In the present study, the potent nematicidal activity of volatile organic compounds released by the leaf macerate was demonstrated. In addition, we searched in the volatilome for a molecule with potential to be developed as a new fumigant nematicide.
View Article and Find Full Text PDFNew management tools are necessary to reduce the damage caused by the soybean cyst nematode (SCN), . Identification of molecules that can stimulate second-stage juveniles (J2) hatching in an environment without food may contribute to that. In in vitro experiments, we evaluate the effect of volatile organic compounds (VOCs) released by soybean (), bean (), ryegrass (), and alfalfa () on egg hatching.
View Article and Find Full Text PDFWatercress leaf and passion fruit seed macerates produce volatile organic compounds toxic to Meloidogyne incognita and 1-octanol, found in volatile emissions of watercress leaves, shows nematicidal activity against M. incognita.
View Article and Find Full Text PDFIn this study, the full genome sequence of Bacillus velezensis strain UFLA258, a biological control agent of plant pathogens was obtained, assembled, and annotated. With a comparative genomics approach, in silico analyses of all complete genomes of B. velezensis and closely related species available in the database were performed.
View Article and Find Full Text PDFArticle Synopsis
- Volatile organic compounds (VOCs) from broccoli and sunflower were tested against the root-knot nematode Meloidogyne incognita, revealing that sunflower VOCs were more lethal to nematodes than those from broccoli, though both plant extracts effectively decreased nematode infectivity and reproduction.
- At high concentrations, both plant macerates significantly reduced the number of galls and eggs produced by the nematode in tomato roots by up to 95%.
- Chemical analysis identified several VOC groups, with certain compounds like dimethyl disulfide and 3-pentanol showing promise as effective biofumigants against M. incognita, particularly in water retainment tests.
Background: This study showed, for the first time, the effect of volatile organic compounds (VOCs) emitted by castor bean cake added to soil on the plant-parasitic nematode Meloidogyne incognita. Identification of nematotoxic volatiles increases the chance of identifying molecules for use in commercial nematicides.
Results: VOCs produced after the incorporation of castor bean cake in the soil resulted in immobility (>97.