Overall Performance of Bacillus thuringiensis (Bt) Cotton Varieties in Pakistan

A. H. JARWAR, XIAOYAN WANG, LONG WANG, QIFENG MA, FAN SHULI

Abstract


All over in Pakistan the growers have been cultivated cotton that possesses Bt cotton was first cultivated in 2002. These varieties have been cultivated, unapproved and reregulated variety which is formally approved, which is speedily increased by formers for growing in 2005. A 60 percent of the cotton among Bt cotton varieties was cultivated in 2007, This study reports the performance and economic strategies of Bacillus thuringiensis cotton in sindh province Mirpurkhas, Hala and in sanghar in Pakistan. The yield and production of Bt cotton was calculated in two different districts or zones having different environment and different climatic conditions, in both districts also the expenditures and other seed material is also increase, and the due to boll worm sprays the number of sprays that is also expansive labour consume and effect of environment human as well as on all living organisms in both districts. The yield increases in the Mirpur khas and Hala districts but its diminution in sanghar district. Day by day the yield is increases in Mirpurkhas as well, this reports or study is similar others Bt cotton which is cultivated in other countries of the world such as in china and in India.


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