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Abundance of naturally occurring entomopathogenic nematodes and establishment of inoculated Steinernema feltiae in an organic cropping system

Nielsen, Otto and Philipsen, Holger (2005) Abundance of naturally occurring entomopathogenic nematodes and establishment of inoculated Steinernema feltiae in an organic cropping system. In: IOBC Bulletin, 28 (3), pp. 31-34.

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Summary

The abundance of entomopathogenic nematodes and soil dwelling stages of plant specific insects was studied in an organic cropping system for two years. In addition was the survival of an inoculated strain of Steinernema feltiae studied. The abundance of naturally occurring entomopathogenic nematodes was in general at a low level throughout the observation period (0-26 % positive samples). Inoculated S. feltiae established well when pea was grown in the same or in the following year whereas the nematodes were less able or unable to establish in the other crops (cabbage, carrots, barley, alfalfa/clover). The successful establishment of nematodes, and the abundance in general, correlated well with the presence of plant specific insects.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Paper
Keywords:Delia radicum, entomopathogenic nematodes, organic cropping system, population dynamics, Psila rosea, Sitona lineatus, Steinernema affine, S. feltiae.
Subjects: Farming Systems
Research affiliation: Denmark > DARCOF II (2000-2005) > I.10 (VegCatch) Organic vegetable cultivation methods and use of catch crops
Deposited By: Nielsen, Otto
ID Code:1612
Deposited On:08 Oct 2003
Last Modified:12 Apr 2010 07:28
Document Language:English
Status:Published
Refereed:Not peer-reviewed

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