Chapter 6

Bt Crops

A Sustainable Approach towards Biotic Stress Tolerance

Mahmood-ur-Rahman, Muhammad Qasim, Shazia Anwar Bukhari and Tayyaba Shaheen

Insect pests are the main sources of biotic stress on crops. There are hundreds of insects that can cause serious damage to crops and are controlled by chemical pesticides, which are the main sources of pollution and cause the development and progression of a number of health problems in humans and animals. Because of these problems, scientists are always searching for alternative ways to control pests that impair sustained agriculture. Over a century ago, it was discovered that the Bacillus thuringiensis possesses insecticidal activity. Subsequently, several genes were identified that are insect ...

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