Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/52588
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Type: Journal article
Title: Ecology of diamondback moth in Australian canola: landscape perspectives and the implications for management
Author: Furlong, M.
Spafford, H.
Ridland, P.
Endersby, N.
Edwards, O.
Baker, G.
Keller, M.
Paull, C.
Citation: Australian Journal of Experimental Agriculture, 2008; 48(12):1494-1505
Publisher: C S I R O Publishing
Issue Date: 2008
ISSN: 0816-1089
Statement of
Responsibility: 
Michael J. Furlong, Helen Spafford, Peter M. Ridland, Nancy M. Endersby, Owain R. Edwards, Greg J. Baker, Michael A. Keller and Cate A. Paull
Abstract: The ecology of diamondback moth (DBM), Plutella xylsotella L. (Lepidoptera: Plutellidae), and records of its frequent, but sporadic, population outbreaks in the canola agroecosystems of southern and western Australia are reviewed. The migratory capacity of DBM, possible maintenance of pest populations on brassicaceous weeds and forage crops, resistance to commonly used pyrethroid insecticides, a lack of effective natural enemies (due to disruption by insecticides and difficulties associated with colonising the vast areas of canola crops) and suitable climatic conditions during critical phases of the crop cycle are all likely to contribute to the observed pest outbreaks. A greater understanding of the ecology of DBM in the canola landscape is fundamental to improving its management in the crop but relevant long-term DBM abundance data are currently lacking. Five critical research issues are identified: (i) improved understanding of the factors which determine regional movement patterns of diamondback in canola-growing areas; (ii) the development and implementation of flexible insecticide resistance management strategies; (iii) better understanding of canola crop colonisation by natural enemies of DBM and their population dynamics under current and alternative insecticide application strategies; (iv) greater appreciation of the interactions betweenDBMand its crop and weedy host plants; and (v) the development of validated simulation models to aid in the forecasting of possibleDBMoutbreaks. Each issue represents a significant challenge but all must be addressed if the development of a sustainable integrated strategy for the management of DBM in Australian canola is to become a reality.
Keywords: migration
RMID: 0020083328
DOI: 10.1071/EA07413
Appears in Collections:Agriculture, Food and Wine publications

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