| Autor: |
Murray, David A. H., Miles, Melina M., McLennan, Austin J., Lloyd, Richard J., Hopkinson, Jamie E. |
| Zdroj: |
Proceedings of the Beltwide Cotton Conferences; 2005, p1246-1251, 6p, 1 Diagram, 1 Graph |
| Abstrakt: |
An area-wide management (AWM) strategy was developed and implemented in a mixed cropping agroecosystem on the Darling Downs, south Queensland, Australia, in response to a deteriorating situation with respect to the management of helicoverpa (Helicoverpa spp.). The cotton bollworm, Helicoverpa armigera, was the primary target for the AWM strategy because this species had developed resistance to most currently used insecticides and presented a dilemma for mid and late season management in cotton and grain crops. In this paper we outline the development of the AWM strategy first implemented on the Darling Downs in the 1998/99 season, and discuss its evolution, progress and impact on the farming system. The AWM strategy suggested tactics that aimed to reduce 1) the survival of over-wintering insecticide-resistant H. armigera, 2) the early-season build-up of helicoverpa on a regional/district scale, and 3) the mid-season population pressure on helicoverpa-susceptible crops. The participative research approach taken with AWM was enthusiastically supported by producers and associated agribusiness. Targeted research coupled with development and extension activities provided important support for the adoption of some tactics. AWM has facilitated the adoption of integrated pest management (IPM) approaches across the farming system. New technologies e.g. Bollgard®II, and the broader impacts of AWM/IPM are dramatically changing our agroecosystem, and it is vitally important that these changes are evaluated. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Supplemental Index |
| Externí odkaz: |
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