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Name the pest that destroys the cotton b...

Name the pest that destroys the cotton bolls. Explain the role of bacillus thuringensis in protecting the cotton drop against the pest to increase the yields .

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**Step-by-Step Solution:** 1. **Identify the Pest**: The pest that destroys the cotton bolls is known as the **cotton bollworm**. This pest is notorious for causing significant damage to cotton crops by feeding on the bolls, which are the protective cases that contain the cotton fibers. 2. **Introduction to Bacillus thuringiensis**: **Bacillus thuringiensis (Bt)** is a soil-dwelling bacterium that is widely used as a biopesticide. It is known for its ability to produce proteins that are toxic to certain insects. 3. **Mechanism of Action**: The bacterium produces a specific protein known as **cryoprotein** or **Bt toxin**. This protein is initially in an inactive form. When the cotton bollworm ingests the Bt toxin, the alkaline environment of the insect's gut activates the toxin. ...
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