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Sat, 20 Aug 2005 10:50:25 EDT |
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In a message dated 20/08/05 15:17:22 GMT Daylight Time, [log in to unmask]
writes:
<<if we are going to discuss rhubard and the oxalic acid in the leaves.
is there a way to use the leaves to deter the mites using the rhubarb
david>>
The problem here would be getting a reliable dose, as I imagine the
concentration would vary considerably, and you have to kill the mites without killing
the bees as well.. Since the pure chemical is available fairly cheaply, it
wouldn't be worth the hassle and uncertainty. If you just want to kill
insects, an infusion of rhubarb leaves does make an effective traditional
insecticide, though it's illegal nowadays in the UK.
Regards,
Robert Brenchley
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