Explain how Bacillus thuringiensis acts as a bio-control agent. - Vidyadip

Question

Explain how Bacillus thuringiensis acts as a bio-control agent.

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Answer

Bacillus thuringiensis (Bt) is an effective biocontrol agent against butterfly, caterpillars.
Dried spores of Bacillus thuringiensis are mixed with water and sprayed onto vulnerable plants such as Brassicas and fruit trees.
When insect larvae eat the leaves, they get killed by the toxin (cry protein) released in their gut by bacteria.

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