Cotton is also known as “White Gold”. It is an important fiber crop of global significance, which is cultivated in tropical and sub-tropical region of more than 70 countries worldwide. The major producers of cotton are China, India, USA, Pakistan, Greece, Mexico and Turkey. These countries contribute about 85% percent to global cotton production. India is second largest producer of cotton. It plays a dominant role in the industrial and agricultural economy of the country. In India there are nine major cotton growing states which fall under three zones 1. North zone 2.Central zone 3. Southern zone. Being cash crop cotton is known for its intensive cultivation.

Through the conventional breeding with the conjunct use of Biotechnology, BG-I & BG-II hybrids were developed in cotton, thus it replaced conventional hybrids and minimized the Bollworm attack.