Adoption of Bt Cotton Production Technologies by the Cotton Farmers of Vizianagaram District of Andhra Pradesh

The study on Adoption of Bt cotton production technology in Vizianagaram district of Andhra Pradesh was studied. The results revealed that there was significant difference among the small, medium and large groups of farmers in adoption of Bt cotton production technologies. Majority of the respondents had medium level of adoption category followed by high and low. The results also indicated that majority of the respondents adopted the use of Bt cotton hybrids (100%) , top dressing o fN and K fertilsiers (75.56%) spray of urea/ potassium nitrate (66.67%).The least adoption was for maintenance of refuge crop (4.44%), stem application of monochrotophos (11.11%), topping of branches in cotton at 8- 12 sympodial braches stage(15.56%), keeping yellow sticky traps for management of white flies (17.78%), basal application of phosphate fertilizers (18.89%), and use of NAA (18.89%).