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- Title
Influence of foliar and systemically applied azadirachtin on host-plant evaluation behaviour of the sweetpotato whitefly, Bemisia tabaci.
- Authors
JI-HUI WEN; KE-JIAN LIN; MAO-LIN HOU; WEI LU; JIA-WEN LI
- Abstract
The behaviour of female adult Bemisia tabaci is observed for a period of 20 min after initial contact with untreated cucumber leaves, or leaves either foliar or systemically treated with azadirachtin, to determine whether application of azadirachtin affects the host-evaluation behaviour and whether the behaviour on treated leaves differs between application methods. Application of azadirachtin deters settling of the whiteflies on host plants. The whiteflies probe for shorter duration and less frequently but spend longer and engage more frequently in labial grooming on treated leaves than on untreated leaves. Behavioural transition between probing and other behavioural elements is less common, and that between labial grooming and other behavioural elements more common, on both treated leaves than on untreated leaves. No difference is detected in the host-evaluation behaviour of B. tabaci between leaves foliar treated and systemically treated with azadirachtin.
- Subjects
SWEETPOTATO whitefly; FOLIAR feeding; CUCUMBERS; LABIAL frenulum; HOST plants; AGRICULTURAL pests
- Publication
Physiological Entomology, 2009, Vol 34, Issue 1, p98
- ISSN
0307-6962
- Publication type
Article
- DOI
10.1111/j.1365-3032.2008.00653.x