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| Content Provider | Springer Nature Link |
|---|---|
| Author | Kanga, Lambert H. B. Adamczyk, John Patt, Joseph Gracia, Carlos Casci, John |
| Copyright Year | 2010 |
| Abstract | A user-friendly method to deliver Metarhizium spores to honey bee colonies for control of Varroa mites was developed and tested. Patty blend formulations protected the fungal spores at brood nest temperatures and served as an improved delivery system of the fungus to bee hives. Field trials conducted in 2006 in Texas using freshly harvested spores indicated that patty blend formulations of 10 g of conidia per hive (applied twice) significantly reduced the numbers of mites per adult bee, mites in sealed brood cells, and residual mites at the end of the 47-day experimental period. Colony development in terms of adult bee populations and brood production also improved. Field trials conducted in 2007 in Florida using less virulent spores produced mixed results. Patty blends of 10 g of conidia per hive (applied twice) were less successful in significantly reducing the number of mites per adult bee. However, hive survivorship and colony strength were improved, and the numbers of residual mites were significantly reduced at the end of the 42-day experimental period. The overall results from 2003 to 2008 field trials indicated that it was critical to have fungal spores with good germination, pathogenicity and virulence. We determined that fungal spores (1 × 1010 viable spores per gram) with 98% germination and high pathogenicity (95% mite mortality at day 7) provided successful control of mite populations in established honey bee colonies at 10 g of conidia per hive (applied twice). Overall, microbial control of Varroa mite with M. anisopliae is feasible and could be a useful component of an integrated pest management program. |
| Starting Page | 327 |
| Ending Page | 342 |
| Page Count | 16 |
| File Format | |
| ISSN | 01688162 |
| Journal | Experimental & Applied Acarology |
| Volume Number | 52 |
| Issue Number | 4 |
| e-ISSN | 15729702 |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2010-05-30 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Varroa destructor Apis mellifera Metarhizium anisopliae Conidia Patty blend formulations Biological control Life Sciences Animal Ecology Entomology Animal Genetics and Genomics Animal Systematics/Taxonomy/Biogeography |
| Content Type | Text |
| Resource Type | Article |
| Subject | Ecology Medicine Insect Science |
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