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Correlation between infection by ophiostomatoid fungi and the presence of subterranean termites in loblolly pine (Pinus taeda L.) roots

Correlation between infection by ophiostomatoid fungi and the presence of subterranean termites... Observations of subterranean termites feeding in pine sapwood containing ophiostomatoid fungi prompted the present study aiming to investigate the effect of infection by Leptographium fungi on the probability of encountering subterranean termites in loblolly pine (Pinus taeda L.) roots. Root samples were collected from 2350 loblolly pine trees in Alabama, Texas, Louisiana and Mississippi using hand tools. The presence or absence of subterranean termites in the roots was recorded. Samples were plated on malt extract agar and cycloheximide‐streptomycin malt agar and incubated to determine which, if any, fungal species were present. The presence of Leptographium procerum, Leptographium terebrantis or both was significantly associated with an increased presence of subterranean termites in loblolly pine roots. The results obtained in the present study indicate that complex ecological interactions may exist between ophiostomatoid fungi, as carried by root‐feeding bark beetles, and subterranean termites. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Agricultural and Forest Entomology Wiley

Correlation between infection by ophiostomatoid fungi and the presence of subterranean termites in loblolly pine (Pinus taeda L.) roots

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References (53)

Publisher
Wiley
Copyright
© 2014 The Royal Entomological Society
ISSN
1461-9555
eISSN
1461-9563
DOI
10.1111/afe.12053
Publisher site
See Article on Publisher Site

Abstract

Observations of subterranean termites feeding in pine sapwood containing ophiostomatoid fungi prompted the present study aiming to investigate the effect of infection by Leptographium fungi on the probability of encountering subterranean termites in loblolly pine (Pinus taeda L.) roots. Root samples were collected from 2350 loblolly pine trees in Alabama, Texas, Louisiana and Mississippi using hand tools. The presence or absence of subterranean termites in the roots was recorded. Samples were plated on malt extract agar and cycloheximide‐streptomycin malt agar and incubated to determine which, if any, fungal species were present. The presence of Leptographium procerum, Leptographium terebrantis or both was significantly associated with an increased presence of subterranean termites in loblolly pine roots. The results obtained in the present study indicate that complex ecological interactions may exist between ophiostomatoid fungi, as carried by root‐feeding bark beetles, and subterranean termites.

Journal

Agricultural and Forest EntomologyWiley

Published: Jan 1, 2014

Keywords: ; ; ; ; ;

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