What is Bacillus Thuringiensis (Bt)?
Bacillus Thuringiensis (Bt) is a soil-dwelling bacterium that occurs naturally in the environment. It produces Crytoxins that are lethal to specific insects so it is useful in pest control. Bt is used to control mosquitoes and some other flying insects, beetles, certain types of worms, and caterpillars. Bt can be applied on a variety of crops, trees, shrubs, and gardens. Bacillus Thuringiensis is the key ingredient in products such as Bonide Thuricide and Mosquito Dunks.
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Thuricide Bacillus Thuringiensis (BT) controls moth larvae (caterpillars), certain leaf eating worms and gypsy moths. As a liquid formulation of bacteria it won't harm beneficial insects.
Active Ingredient : Bacillus thuringiensis (BT) subspecies kurstaki strain SA-12 solids, spores and Lepidopteran active toxins (At least 6 million viable spores per mg) - 15.0%Learn More
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DiPel Pro is a biological insecticide with Bacillus thuringiensis. This effective, broad spectrum insecticide is OMRI (Organic Materials Review Institute) listed for use in organic production. This biological insecticide controls more than 30 insects, including various bagworms, looper, tobacco budworms, armyworms and tent caterpillars. As an organic insecticide, it is biodegradable and easy on the environment, with minimal effects on humans and non-target animals. Learn More
Starting at: $13.95Mosquito Bits are a highly selective microbial insecticide effective against mosquitoes in a variety of habitats. When spread over the surface of containerized water the Mosquito Bits release a biological mosquito larvicide at the water's surface. Mosquito Bits (larvicide) gradually settles in the water where it is eaten by mosquito larvae growing there,killing the larvae before it becomes an adult. Learn More
Where is Bacillus Thuringiensis (Bt) used?
Bt is used in the agricultural sector with vegetable crops, field crops, fruit crops, greenhouses, and organic crops. It is used by the forestry industry on pine and spruce trees. Bt is used at home on trees, shrubs, and gardens. It is used to control mosquitoes by placing specially formulated Bt directly in standing water of breeding sites shortly after eggs hatch. Bt can be applied to plants, soil, or water depending on the target insect.
How does Bacillus Thuringiensis (Bt) work?
Bacillus Thuringiensis is a biological insecticide that works as a stomach poison in specific insects once it is ingested. It produces proteins that react with the digestive lining causing paralysis in the digestive system. The insect will immediately stop feeding and die hours to a few days later.
How safe is Bacillus Thuringiensis (Bt)?
The benefit of Bacillus Thuringiensis is that it has little to no effect on humans, wildlife, and other pollinators. In 1995 the EPA approved Bt modified crops, which are crops that are infused with the Bt gene. These crops now have a biological insecticide within the plant. Since only the insects are affected by Bt, there is no threat to ground water. The insecticide degrades quickly in sunlight with little effect to the environment. Apply as directed.