Carbon dioxide activation of spores of the chalkbrood fungus Ascosphaera apis

publication date: Jun 28, 2011
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Journal of Apicultural Research
Vol. 26 (4) pp. 243-246
Date
December 1987
Article Title

Carbon dioxide activation of spores of the chalkbrood fungus Ascosphaera apis

Author(s)

L. A. F. Heath And Barbara M. Gaze

Abstract

Carbon dioxide has been shown to be important for the activation of spores of A. apis. About half the spores under test were activated at less than 5% CO2 in air, while at 12.5% CO2 virtually all spores were activated. Ten minutes' exposure to 10% CO2 in air was sufficient to initiate activation. Larval respiration produces CO2, and thus larvae must initiate the activation of spores with which they come into contact.

Keywords

Chalkbrood, Ascosphaera apis, Bee diseases, Carbon dioxide 

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