The PMRA concluded that it is highly probable that exposure to clothianidin caused the bee mortality in Ste-Martine
http://www.hc-sc.gc.ca/cps-spc/pubs/pes ... ex-eng.php
Probable that clothianidin exposure caused bee mortality
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Probable that clothianidin exposure caused bee mortality
Allen Dick, RR#1 Swalwell, Alberta, Canada T0M 1Y0
51° 33'39.64"N 113°18'52.45"W
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51° 33'39.64"N 113°18'52.45"W
http://www.honeybeeworld.com/Allen%27s%20Beehives.kmz
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- cam bishop
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Re: Probable that clothianidin exposure caused bee mortalit
I wonder if clothianidin and coumaphos together are more deadly together, than separately? Could be some interaction between them. I had several nucs around a corn field this year and there were no problems, built up well. But there was no coumaphos used in the hive and the nucs were foundationless, so it's highly doubtful there was any interaction. Just a thought.
Cam Bishop
circle7honey.com
Millbury, MA
42°11'07.58"N 71°46'19.79"W
circle7honey.com
Millbury, MA
42°11'07.58"N 71°46'19.79"W
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Re: Probable that clothianidin exposure caused bee mortalit
There has been some work done on various interactions. In some cases, two pesticides are additive, and other times, one may actually reduce the effect of the other. Not sure about this specific combination.
Allen Dick, RR#1 Swalwell, Alberta, Canada T0M 1Y0
51° 33'39.64"N 113°18'52.45"W
http://www.honeybeeworld.com/Allen%27s%20Beehives.kmz
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51° 33'39.64"N 113°18'52.45"W
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