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Title

Use of crop residues for the control of Meloidogyne incognita under laboratory conditions

AuthorsPiedra-Buena, Ana; García-Álvarez, Avelino ; Díez-Rojo, M. A.; Bello Pérez, Antonio
KeywordsRoot-knot nematodes
Byproducts
Organic matter
Biofumigation
Integrated crop management
Issue Date11-Jul-2006
PublisherSociety of Chemical Industry
CitationPest Management Science 62(10): 919-926 (2006)
AbstractThis laboratory study evaluates the biofumigant effect of different organic materials with the aim of developing non-chemical alternatives for the management of Meloidogyne incognita (Kofoid & White) Chitwood populations. Sources of organic material from the production system were selected with the aim of reducing agricultural residue accumulation problems as well as decreasing the costs due to the use of chemical fertilizers and pesticides. The selected materials were residues from pepper, strawberry, tomato and cucumber crops, orange juice industry residues, commercial manure and sheep manure, applied at different dosages. Two biofumigation assays were performed under laboratory conditions, using alkaline soils from the Torreblanca area (Murcia, Spain) and acidic soils from the Villa del Prado area (Madrid, Spain). The assays evaluated the effect of the treatments on M. incognita juveniles and other soil organisms, the nematode galling index on tomato roots (susceptible cv. Marmande) grown in the biofumigated soil and soil fertility parameters. The results showed that all biofumigant materials significantly decreased M. incognita populations and galling indices in tomato cv. Marmande. A greater effect was observed on galling indices when applying crop residues together with manure than with the residues alone. Biofumigation had a general beneficial effect on soil fertility, generally increasing nitrogen, organic carbon, pH and potassium levels, and also calcium levels when crop residues of pepper and strawberry were applied. There were no important variations in the number of saprophagous nematodes, dorylaimids and enchytraeids.
Publisher version (URL)http://dx.doi.org/10.1002/ps.1257
URIhttp://hdl.handle.net/10261/14437
DOI10.1002/ps.1257
ISSN1526-498X
E-ISSN1526-4998
Appears in Collections:(IRN) Artículos
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