Bacillus Thuringiensis Products | 農藥合法資訊網

2020年5月27日—Bacillusthuringiensis(Bt)isactuallyanaturallyoccurringbacterium,commoninsomesoils,thatcausesdiseaseincertaininsects,most ...

You’ve likely heard the numerous recommendations for using Bt pest control, or Bacillus thuringiensis, in the home garden. What exactly is this though and how does using Bt in the garden work? Keep reading to learn more about this organic form of pest control.

Bacillus thuringiensis (Bt) is actually a naturally occurring bacterium, common in some soils, that causes disease in certain insects, most notably leaf and needle feeding caterpillars[1]. It was first discovered in the early 1900’s. The French were the first to advocate using Bt in the garden and by the 1960’s, Bacillus thuringiensis products were available on the open market and were readily embraced by the organic gardening community.

Controlling pests with Bacillus thuringiensis is dependent on its active ingredient, a crystal protein, which paralyzes the digestive system of the insect. Th...