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This paper examines the extent of adoption of modern technology in Bangladesh and knowledge gap of the farmers about the technology. It was found that 100% of wheat acreage in the country were planted to modern varieties. Wheat area, production and yield in the country increased by 10, 14 and 3.5% per annum during 1971-92. The farmers found to have moderate knowledge gap in most of the practices of modern wheat technology. However, high knowledge gap was observed for recommended fertilizer dose. There were significant difference between the practices recommended and the existing knowledge of the farmers for different production practices. The demonstration farmers of farming system research sites and multi-location testing sites had less knowledge gap than the other farmers. Wheat planting before November is not recommended, late planting is one of the main causes of lower yield of wheat in Bangladesh. Wheat planting after November reduces the yield at the rate of 1.3% per day of delay. The overall data showed a significant difference between the practices recommended and existing technological knowledge of the farmers.
