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Airborne interactions between undamaged plants of different cultivars affect insect herbivores and natural enemies

Glinwood, Robert and Ahmed, Elham and Qvarfordt, Erika and Ninkovic, Velemir and Pettersson, Jan (2009). Airborne interactions between undamaged plants of different cultivars affect insect herbivores and natural enemies. Arthropod-Plant Interactions. 3:4, 215-224
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Official URL: http://dx.doi.org/10.1007/s11829-009-9072-9

Abstract

This study investigated the effects of airborne
interaction between different barley cultivars on the
behaviour of bird cherry-oat aphid Rhopalosiphum padi, the
ladybird Coccinella septempunctata and the parasitoid
Aphidius colemani. In certain cultivar combinations,
exposure of one cultivar to air passed over a different cultivar
caused barley to have reduced aphid acceptance and
increased attraction of ladybirds and parasitoids. Parasitoids
attacked aphids that had developed on plants under exposure
more often than those from unexposed plants, leading
to a higher parasitisation rate. Ladybirds, but not parasitoids,
were more attracted to combined odours from certain
barley cultivars than either cultivar alone. The results show
that airborne interactions between undamaged plants can
affect higher trophic levels, and that odour differences
between different genotypes of the same plant species may
be sufficient to affect natural enemy behaviour.

Authors/Creators:Glinwood, Robert and Ahmed, Elham and Qvarfordt, Erika and Ninkovic, Velemir and Pettersson, Jan
Title:Airborne interactions between undamaged plants of different cultivars affect insect herbivores and natural enemies
Series/Journal:Arthropod-Plant Interactions (1872-8847)
Year of publishing :2009
Volume:3
Number:4
Page range:215-224
Publisher:Springer
ISSN:1872-8847
Language:English
Additional Information:The final publication is available at www.springerlink.com
Publication Type:Journal article
Refereed:Yes
Article category:Scientific peer reviewed
Version:Accepted version
Full Text Status:Public
Agris subject categories.:H Protection of plants and stored products > H10 Pests of plants
Subjects:(A) Swedish standard research categories 2011 > 1 Natural sciences > 106 Biological Sciences (Medical to be 3 and Agricultural to be 4) > Ecology
(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 401 Agricultural, Forestry and Fisheries > Agricultural Science
Keywords:aphid, semiochemical, allelopathy
URN:NBN:urn:nbn:se:slu:epsilon-e-814
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-e-814
Related URLs:
ID Code:9342
Department:(NL, NJ) > Dept. of Ecology
(S) > Dept. of Ecology
External funders:MISTRA
Deposited By: Dr Robert Glinwood
Deposited On:19 Dec 2012 14:34
Metadata Last Modified:02 Dec 2014 10:54

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