Find out about Bt cotton from an agriculture expert. Prepare a short note on its advantages/disadvantages.

Bt Cotton is a GM Crop (genetically modified crop) engineered for being a pest-resistant cotton variety. This GM Crop produces an insecticide to combat bollworm infection.

It is known as Bt Cotton because it is genetically modified through the insertion of one or more genes from the soil bacterium, Bacillus thuringiensis.

The advantages and disadvantages of Bt Cotton are as follows:

Advantages	Disadvantages
The yield of cotton crops increases due to effective control of bollworms infection.	The cost of Bt cotton seed is comparatively higher.
Usage of insecticide is reduced in the cultivation of Bt cotton crops.	The effectiveness of the plant retains only for 120 days. After that effectiveness gets reduced.
Reduction in the cost of crop cultivation.	Ineffective against pests like aphids and whitefly. This plant also proves toxic to pollinating insects.