Is the effect of priming plants, and a functional JAR1, negligible on the foraging behaviour and development of a generalist lepidopteran, Helicoverpa armigera?

Johnson, M.L., Schenk, P.M., Cribb, B.W., Moore, C., Perkins, L.E. and Zalucki, M.P. (2011) Is the effect of priming plants, and a functional JAR1, negligible on the foraging behaviour and development of a generalist lepidopteran, Helicoverpa armigera?. Entomologia Experimentalis Et Applicata, 141 1: 78-87. doi:10.1111/j.1570-7458.2011.01170.x


Author Johnson, M.L.
Schenk, P.M.
Cribb, B.W.
Moore, C.
Perkins, L.E.
Zalucki, M.P.
Title Is the effect of priming plants, and a functional JAR1, negligible on the foraging behaviour and development of a generalist lepidopteran, Helicoverpa armigera?
Journal name Entomologia Experimentalis Et Applicata   Check publisher's open access policy
ISSN 0013-8703
1570-7458
Publication date 2011-10
Sub-type Article (original research)
DOI 10.1111/j.1570-7458.2011.01170.x
Volume 141
Issue 1
Start page 78
End page 87
Total pages 10
Place of publication Oxford, United Kingdom
Publisher Wiley-Blackwell Publishing
Collection year 2012
Language eng
Abstract Theory and recent literature suggest strong effects of induced plant defences in some plant herbivore systems. Few have studied behavioural effects on intact plants. Differences in foraging behaviour as well as weight gain were determined for first instar Helicoverpa armigera (Hübner) (Lepidoptera: Noctuidae) on Arabidopsis thaliana (L.) Heynh. (Brassicaceae) mutant and wild type plants, non-primed, or primed by herbivore feeding or methyl jasmonate. The differences in feeding were primarily in the length of feeding time as opposed to the area fed on, feeding location, or frequency. More larvae dispersed from plants after priming by mite feeding than dispersed after caterpillar feeding. Other behavioural activities such as resting were not significantly affected. Early instars gained less weight feeding on ein2 (ethylene insensitive) mutant, but there was no difference in weight gain between larvae feeding on induced and non-induced plants of the same type. We concluded that there are fitness consequences for neonates of the generalist H. armigera after feeding on induced plant tissues in some cases, and that distinct changes in behaviour are recognisable both at the fine scale and at grosser levels (dispersal). However, these changes are more subtle than might be expected.
Keyword Arabidopsis thaliana
Heliothinae
Insect behaviour
Mam-L
Lepidoptera
Methyl jasmonate
Noctuidae
Brassicaceae
Spider mite
Tetranychus urticae
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Article first published online: 6 September 2011.

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2012 Collection
School of Biological Sciences Publications
Centre for Microscopy and Microanalysis Publications
 
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