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-   -   The Two Most Common Types of BT (BTk and BTi) Used in Gardening (http://www.tomatoville.com/showthread.php?t=43588)

Dutch January 14, 2017 07:11 PM

The Two Most Common Types of BT (BTk and BTi) Used in Gardening
 
[B]BTk[/B] ([B]k[/B] as in katerpillar) Bacillus Thuringiensis var. kurstaki
Used on the following;
Cabbage worm and cabbage looper
Tomato and tobacco hornworm
European corn borer
Alfalfa caterpillar and alfalfa webworm
Leafroller
Achemon sphinx
Tent caterpillar
Fall webworm
Leafroller
Red-humped caterpillar
Spiny elm caterpillar
Western spruce budworm
Pine budworm
Pine butterfly
Gypsy moth

Some common brand names of products containing BTk below;
Bonide Bacillus Thuringiensis
Bonide Thuringiegsis (BT) Concentrate
Ferti-lome Dipel Dust
Hi Yield Thuricide Concentrate
Safer Brand Bt Worm & Caterpillar Killer
Safer Garden Dust w/Bt


[B]BTi[/B] ([B]i[/B] as in insect) Bacillus Thuringiensis var. israeliensis
Used on the following;
Fungus gnats
Black flies
Mosquitoes

Some common brand names of products containing BTi below;
Bonide Mosquito Beater WSP
Gardens Alive Knock Out Gnats Granules (fungus gnat larvae control)
Gnatrol (fungus gnat larvae control)
Summit Mosquito Bits
Summit Mosquito Dunks

Dutch

salix January 15, 2017 05:27 AM

Thank you Dutch, for that interesting, succinct and easy-to-remember information.

kayrobbins January 15, 2017 06:47 AM

Thanks for posting this. It makes it easy to know which to use.


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