The Manual on Varietal Identification and Production Technologies of BARI Sarisha-18 introduces the BARI Sarisha-18 mustard variety, developed by the Bangladesh Agricultural Research Institute (BARI) under the AFACI-RATES project. Renowned for its high yield and oil content, this variety offers significant value to farmers. The manual serves as a comprehensive guide, covering cultivation methods, seed production, pest management, and optimal growing conditions. It is designed to assist farmers and agricultural professionals in improving mustard farming practices, thereby boosting productivity and promoting sustainable agricultural development in Bangladesh.