Peter and others: I have a student just defended her M. Sc. last week. One experiment testing HopGuard showed that the efficacy is about 40% mite kill in the fall with a single application. Repeated experiment with 3 applications in the spring once every week yielded same efficacy (40%). Bees clean up and chew the strips within 4-5 days. Kill was high within 1-3 days max. HopGuard has potential if the application method modified.



Medhat



Dr. Medhat Nasr

Alberta Provincial Apiculturist

Pest Surveillance Branch

Research and Innovation Division

Agriculture and Rural Development

17507 Fort Road NW

Edmonton, AB T5Y 6H3 Canada

Tel: 780-415-2314             Fax: 780-422- 6096

E-mail:  [log in to unmask]





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