Variety/Acc.No.	CO 3
Year of release	1985
Scientists involved in the development of the variety	S. Thamburaj
Pedigree/parentage	Selection from IITA, Nigeria selection (ME-167)
Area of release	AICRPTC,Department of vegetable crops, HC&RI, Tamil Nadu Agricultural University, Coimbatore-3
Maturity	260-275 days
Average yield	40 t ha-1
Potential yield	60 t ha-1
QUALITY ATTRIBUTES	Suitable processing ,good cooking quality
	1.Starch (%)	35
	2.HCN	78 mg/100g
MORPHOLOGICAL CHARACTERS	Plant type Highly branching, medium stature Petiole colour Green Flowering nature Flowering Tuber shape Cylindrical Tuber skin colour Brown Tuber rind colour yellowish hite Tuber flesh colour White
Reaction into major pests and diseases	Tolerant to CMD virus
Areas for adoption	Tamil Nadu
Production Condition	Prefers irrigated and rainfed condition
Suitable season	December-January
Shelf life	low