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Economic Feasibility of Mass Propagation and Distribution of the Catolaccus Grandis Wasp for Use in Boll Weevil Suppression

Jason L. Johnson, John R. Ellis, Manzoor E. Chowdhury and Ronald D. Lacewell


Suppression of the boll weevils continues to be a concern in portions of the Cotton Belt as well as neighboring production areas in Mexico who do not have formal boll weevil eradication programs. Ongoing research has produced an alternative method of control which involves the release of the boll weevil's natural enemy, the Catolaccus grandis wasp. This paper examines the economic feasibility of constructing a facility for the mass propagation and release of the Catolaccus grandis wasp for suppression of the boll weevil. Results suggest that this biological approach to pest management could be accomplished for $22.65 per treated acre. Sensitivity analysis is performed to examine further areas of cost reduction as well as economic factors which might alter the estimated cost of using this biological control method. In addition, the EPIC-WQ model is employed to assess the environmental consequences of the conventional and biological methods of boll weevil suppression.

Reprinted from Proceedings of the 1998 Beltwide Cotton Conferences pp. 312 - 318
©National Cotton Council, Memphis TN

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Document last modified Sunday, Dec 6 1998