Zobrazeno 1 - 10
of 133
pro vyhledávání: '"Sara A. Ashcraft"'
Autor:
David J Biddinger, Jacqueline L Robertson, Chris Mullin, James Frazier, Sara A Ashcraft, Edwin G Rajotte, Neelendra K Joshi, Mace Vaughn
Publikováno v:
PLoS ONE, Vol 8, Iss 9, p e72587 (2013)
The topical toxicities of five commercial grade pesticides commonly sprayed in apple orchards were estimated on adult worker honey bees, Apis mellifera (L.) (Hymenoptera: Apidae) and Japanese orchard bees, Osmia cornifrons (Radoszkowski) (Hymenoptera
Externí odkaz:
https://doaj.org/article/41fa27079d6645438e2f19f9d33f2b2a
Autor:
Christopher A. Mullin, Maryann Frazier, Timothy W. Leslie, Frank Drummond, Sara A. Ashcraft, Eric C. Mussen, J. L. Frazier
Publikováno v:
Journal of Economic Entomology
Beekeepers who use honey bees (Apis mellifera L.) for crop pollination services, or have colonies making honey on or in close proximity to agricultural crops, are concerned about the reductions of colony foragers and ultimate weakening of their colon
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1cbed0da4b88d4c0ac577f54450aa747
https://doi.org/10.1093/jee/tov195
https://doi.org/10.1093/jee/tov195
Autor:
Jeffery S. Pettis, Maryann Frazier, Christopher A. Mullin, Roger Simonds, Dennis vanEngelsdorp, Sara A. Ashcraft, James L. Frazier
Publikováno v:
PLoS ONE, Vol 5, Iss 3, p e9754 (2010)
PLoS ONE
PLoS ONE
Background: Recent declines in honey bees for crop pollination threaten fruit, nut, vegetable and seed production in the United States. A broad survey of pesticide residues was conducted on samples from migratory and other beekeepers across 23 states
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0d4dc8cd2dda08d4356906af66cf0f63
http://europepmc.org/articles/PMC2841636?pdf=render
http://europepmc.org/articles/PMC2841636?pdf=render