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    Author(s): Normand R. Dubois
    Date: 1985
    Source: In: Grimble, David G.; Lewis, Franklin B., coords. Proceedings, Symposium: Microbial control of spruce budworms and gypsy moths; 1984 April 10-12; Windsor Locks, CT. Gen. Tech. Rep. NE-100. Broomall, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 83-85
    Publication Series: General Technical Report (GTR)
    Station: Northeastern Research Station
    PDF: View PDF  (292.14 KB)

    Description

    Efforts to improve the effective use of B. thuringiensis and reduce its application costs has stimulated the development of higher potency formulation. Recent field studies have shown that a single application at 30 BIU/ha (12 BIU/acre) is as effective as the split double application of 20 BIU/ha (8 BIU/acre) formerly recommended. Also results of using volumetric application rates of less than 9.6 L/ha (gallon/acre) are discussed.

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    Citation

    Dubois, Normand R. 1985. Recent field studies on the use of Bacillus thuringiensis to control the gypsy moth (Lymantria dispar L.). In: Grimble, David G.; Lewis, Franklin B., coords. Proceedings, Symposium: Microbial control of spruce budworms and gypsy moths; 1984 April 10-12; Windsor Locks, CT. Gen. Tech. Rep. NE-100. Broomall, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 83-85

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