The acronym TME 419 refers to a specific variety of cassava ( Manihot esculenta Crantz). It's a popular and significant variety, particularly in West Africa, including Nigeria, and is known for several important characteristics: Key Characteristics of TME 419 Cassava: High Yield Potential: TME 419 is capable of producing significantly higher yields per hectare compared to many traditional cassava varieties. Reports suggest potential yields ranging from 20-35 tons per hectare under good management practices.