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EFFECT ON GROWTH AND ROOT NODULATION OF CLOVERS, TRIFOLIUM SPP., BY GALLERIA MELLONELLA (L.) (LEPIDOPTERA: PYRALIDAE) INFECTED WITH STEINERNEMA CARPOCAPSAE (WEISER) (RHABDITA: STEINERNEMATIDAE) AND ITS SYMBIONT, XENORHABDUS NEMATOPHILUS POINAR AND THOMAS

Published online by Cambridge University Press:  31 May 2012

D.C. Eidt  and
J.G. Stewart
D.C. Eidt
Affiliation:
Canadian Forest Service - Atlantic Forestry Centre, Natural Resources Canada, PO Box 4000, Fredericton, New Brunswick, Canada E3B 5P7
J.G. Stewart
Affiliation:
Agriculture and Agri-Food Canada Research Centre, PO Box 1210, Charlottetown, Prince Edward Island, Canada C1A 7M8
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Abstract

Red and white clovers, Trifolium spp., were grown in nitrogen-poor soil containing cadavers of larval Galleria mellonella (L.) that were infected with Steinernema carpocapsae (Weiser) and its symbiont Xenorhabdus nematophilus Poinar and Thomas. Growth and root nodulation were not affected by the nematode treatment, leading us to conclude that they would not be impaired through the action of antimicrobial agents produced by Xenorhabdus spp. present in soils because of Xenorhabdus-infected insect cadavers.

Résumé

Des plants de trèfle rouge et de trèfle blanc, Trifolium spp., ont été gardés dans des sols pauvres en azote contenant des cadavres de larves de Galleria mellonella (L.) infestés de Steinernema carpocapsae (Weiser) et de son symbionte Xenorhabdus nematophilus Poinar et Thomas. Ni la croissance, ni la nodulation des racines ne se sont trouvées modifiées par la présence du nématode, ce qui nous porte à croire que le trèfle ne serait pas affecté par les agents antimicrobiens produits par Xenorhabdus dans les sols où se trouvent des cadavres d’insectes infectés par Xenorhabdus.

[Traduit par la Rédaction]

Type
Articles
Information
The Canadian Entomologist , Volume 129 , Issue 2 , April 1997 , pp. 205 - 210
Copyright
Copyright © Entomological Society of Canada 1997

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References

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