Use of Arthrobotrys spp. in biocontrol of the root-knot nematode Meloidogyne incognita

Abstract

Plant parasitic nematodes are well-known and devastating pathogens of many agricultural crops around the world. Among the plant phytoparasitic, root-knot nematodes (Meloidogyne spp.) are the economically important limiting factors in agricultural productivity and the quality of crops. One of the most destructive species of root-knot nematodes is Meloidogyne incognita among the most important plant pests which cause severe problems in economically important crops such as vegetables, fruits, and ornamental plants. Root-knot nematodes can be managed by resistant cultivars, crop rotation, cultural practices, chemical nematicides and biocontrol agents. However, the use of nematicides can cause significant problems, including environmental pollution and long-term residue issues. Therefore, biological control with fungus is agriculturally useful an exciting and rapidly developing research area and especially there is growing attention to the exploitation of fungi for the control of nematodes. Nematophagous fungi are an important group of soil microorganisms that can suppress the populations of plant parasitic nematodes. These fungi can be divided into four main categories: endoparasitic fungi, nematode-trapping fungi, fungi that parasitic egg and female, and toxin-producing fungi. Among the nematophagous fungi, nematode-trapping fungi which are natural enemies of nematodes are the most studied. The nematode-trapping fungi develop hyphal structures. Arthrobotrys spp. are a well-known nematode-trapping fungus with biocontrol potential against root-knot nematodes, including M. incognita. The objective of this paper is to summarize the data on the potential for use of Arthrobotrys spp. in biocontrol of the root-knot nematode M. incognita. DOI: http://dx.doi.org/10.5281/zenodo.1001564

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