Nematicidal effects of vegetal extracts on Meloidogyne incognita, on grapevine cv Chardonnay plants

ROXANA GONZÁLEZ; MARCELO MARTINOTTI; SERGIO CASTELLANOS; FANZONE, MARTIN; ALEJANDRA B. CAMARGO

REVISTA DE LA FACULTAD DE CIENCIAS AGRARIAS DE LA UNIVERSIDAD NACIONAL DE CUYO

UNIV NACIONAL CUYO

Lugar: Mendoza; Año: 2016 vol. 1 p. 211 - 224

0370-4661

Meloidogyne incognita, significantly affect the grapevines in Argentina. Currently there are few tools available to control this pest. The objective of this work was to compare nematicidal effects of aqueous extracts of garlic bulbils, of immature compost of olive mill waste, of immature compost of fresh grape pomace and of immature compost of spent grape pomace on the galling index (IA), the rate of reproduction (IR) and the final population of M. incognita females (H) in grapevines, cv Chardonnay. The experiments were performed with potted plants of grapevines cv Chardonnay, in greenhouse. The only treatment showed statistically differences compared to the control, was an extract of garlic bulblets; while the extracts of immature compost of olive mill waste, of immature compost of fresh grape pomace and of immature compost of spent grape pomace, did not affect the evaluated parameters. The extract of garlic bulblets decreased by 73% the IA, 80% of the eggs and juveniles IR J2 and 94% H, meaning we can expect that in the future may develop from this plant material, an organic nematicide and low environmental impact.