Thread: how do I get rid of colorado beetle ?
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Old 03-07-2005, 06:22 PM
Richard
 
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wrote in news:1120328666.984395.262410
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Frogleg wrote:
On 29 Jun 2005 11:26:17 -0700, wrote:

how do I get rid of colorado beetle ?

Colorado potato beetles? Hand picking, as others have suggested, or BT
San Diego.

thanks for the replies, hand picking will take too long, what is BT ?



BT stands for Bacillus thuringiensis, a bacteria that produces
crystalline protiens that, when the larva ingest the bacteria, cause them
to stop feeding and eventually die. You need to get the right strain of
bacteria for the beetle (var. san diego, sold as M-One, and var.
tenebrionis, sold as Trident) and it is only effective on young larva,
older larva are tougher and don't succumb as easy.
My information may be a little out of date, am going off of an extension
factsheet.
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