Evaluation of Natural Chemical Compounds Against Root-lesion and Root-knot Nematodes and Side-effects on the Infectivity of Arbuscular Mycorrhizal Fungi |
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| Authors: | Cinta Calvet Jorge Pinochet Amèlia Camprubí Victoria Estaún Rodrigo Rodríguez-Kábana |
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| Institution: | (1) Departament de Protecció Vegetal, Ctra. de Cabrils s/n, Institut de Recerca i Tecnologia Agroalimentàries (IRTA), 08348 Cabrils, Barcelona, Spain;(2) Agromillora Catalana S.A., El Rebato s/n, 08739 T.M. Subirats, Spain;(3) Departament de Protecció Vegetal, Ctra. de Cabrils s/n, Institut de Recerca i Tecnologia Agroalimentàries (IRTA), 08348 Cabrils, Barcelona, Spain;(4) Department of Plant Pathology, Auburn University, Auburn, AL 36849-5409, USA |
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| Abstract: | The survival of two species of plant parasitic nematodes: the root-lesion nematode Pratylenchus brachyurus, and the root-knot nematode Meloidogyne javanica, was evaluated in saturated atmospheres of 12 natural chemical compounds. The infectivity of two isolates of arbuscular mycorrhizal fungi: Glomus mosseae and Glomus intraradices, under identical experimental conditions, was also determined. All the compounds tested exerted a highly significant control against M. javanica and among them, benzaldehyde, salicilaldehyde, borneol, p-anisaldehyde and cinnamaldehyde caused a mortality rate above 50% over P. brachyurus. The infectivity of G. intraradices was inhibited by cinnamaldehyde, salicilaldehyde, thymol, carvacrol, p-anisaldehyde, and benzaldehyde, while only cinnamaldehyde and thymol significantly inhibited mycorrhizal colonization by G. mosseae. |
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| Keywords: | Pratylenchus brachyurus Meloidogyne javanica Glomus mosseae Glomus intraradices nematicide aromatic |
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