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Subject:
Bt against varroa?
From:
Peter Loring Borst <[log in to unmask]>
Reply To:
Informed Discussion of Beekeeping Issues and Bee Biology <[log in to unmask]>
Date:
Tue, 27 Oct 2015 18:11:52 -0400
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Hi all
I don't see how I missed this one, but I did.

Alquisira-Ramírez, Eva Vianey, et al. "In vitro susceptibility of Varroa destructor and Apis mellifera to native strains of Bacillus thuringiensis." Apidologie 45.6 (2014): 707-718.

The results of this study show that nine Bacillus-like isolates tested for pathogenicity and three tested for virulence have a lethal effect against V. destructor in short time periods (36, 48 and 60 h) ... strains used in this study are not pathogenic in vitro to adults and larvae of A. mellifera; bees were subjected to high concentration of total protein of B. thuringiensis.

PLB

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