Author Topic: BT , powder ?  (Read 473 times)

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Offline Mikey N.C.

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BT , powder ?
« on: August 21, 2019, 06:23:54 pm »
Is it true you can't buy BT powder for mix with water in spray bottles, for wax moth on drawn combs ?

Offline iddee

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Re: BT , powder ?
« Reply #1 on: August 21, 2019, 08:44:06 pm »
Yes, it is true, but you can buy it to spray for cabbage loopers legally.
I never did like cabbage loopers in my hives, did you?   :o   :D
“Listen to the mustn'ts, child. Listen to the don'ts. Listen to the shouldn'ts, the impossibles, the won'ts. Listen to the never haves, then listen close to me... Anything can happen, child. Anything can be.”
― Shel Silverstein

Offline tecumseh

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Re: BT , powder ?
« Reply #2 on: August 23, 2019, 06:52:47 am »
it use to be marketed as Certan for wax moth and bees.  To my understanding it was only registered in Canada.  Based on articles in the Abs 40 years ago it was about 95% effective.  Basically the larvae have to eat the stuff to kill them so you may see some small amount of wax moth damage.

You have to be certain to get the right strain of Bt since each stain is made for a certain type of moth larvae.

Offline RAST

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Re: BT , powder ?
« Reply #3 on: August 23, 2019, 10:50:49 am »