Natural occurrence of fungal egg parasites of root-knot nematodes, Meloidogyne spp. in organic and integrated vegetable production systems in Spain

Natural occurrence of fungal egg parasites of root-knot nematodes, Meloidogyne spp. in organic and integrated vegetable production systems in Spain

A survey was conducted to assess the biodiversity and frequency of infection of fungal egg parasites of Meloidogyne spp. and relate results to soil properties in organic and integrated vegetable production in Spain. Forty sites were sampled at the end of the cropping cycle, 30 under integrated and t...

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Bibliographic Details
Published in:BioControl (Dordrecht, Netherlands) Vol. 58; no. 3; pp. 407 - 416
Main Authors: Giné, Ariadna, Bonmatí, Manuel, Sarro, Angela, Stchiegel, Alberto, Valero, Jordi, Ornat, César, Fernández, Carolina, Sorribas, Francisco Javier
Format: Journal Article
Language:English
Published: Dordrecht Springer-Verlag 01-06-2013
Springer Netherlands
Springer Nature B.V
Subjects:
Agriculture
Animal Biochemistry
Animal Ecology
Behavioral Sciences
Biodiversity
Biomass
Biomedical and Life Sciences
Crop production
Crops
Eggs
Entomology
Fungi
Life Sciences
Meloidogyne
Nematoda
Nematodes
Organic farming
organic production
Organic soils
Parasites
Parasitism
Pathogens
Pesticides
Plant Pathology
production technology
root-knot nematodes
Soil properties
Soils
species diversity
Species richness
vegetable growing
Vegetables
Spain
spp
Organic farming
Fungal egg parasites
Integrated production
Biological control
Vegetable crops
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Summary:A survey was conducted to assess the biodiversity and frequency of infection of fungal egg parasites of Meloidogyne spp. and relate results to soil properties in organic and integrated vegetable production in Spain. Forty sites were sampled at the end of the cropping cycle, 30 under integrated and ten under organic production. Fungal egg parasites were isolated from all organically managed sites and from 73 % sites under integrated production. Species richness and Shannon–Wiener index did not differ between production systems but the percentage of fungal egg parasitism did, as well as soil properties. Percentages of egg parasitism higher than 40 % were found in five and three sites under organic and integrated production, respectively. In all these sites, Pochonia chlamydosporia was present alone or co-occurring with other fungal species. The relative frequency of P. chlamydosporia was positively related to the percentage of parasitism in both production systems.
Bibliography:http://dx.doi.org/10.1007/s10526-012-9495-6
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:1386-6141
1573-8248
DOI:10.1007/s10526-012-9495-6