Variety/Acc.No. Sree Prakash (S-856) Year of release 1987 Scientists involved in the development of the variety Shri R.B. Nair Dr. P. G. Rajendran Dr. G. G Nayar Pedigree/parentage A selection from indigenous germplasm collection of cassava Area of release Kerala Maturity Early maturing, 7 months Average yield 30-35 t ha-1 Potential yield 40 t ha-1 QUALITY ATTRIBUTES 1.Starch (%) 29-31 2.Cyanogen (ppm) 30-50 3. Cooking quality Good MORPHOLOGICAL CHARACTERS Plant type Erect , generally non-branching, rarely top branching ,high leaf retention Mature stem colour Reddish brown Shoot colour Sepia Emerging leaf colour Light sepia Leaf type Dark green leaves, 7-9 lobes Petiole colour Purple Flowering nature Shy flowering Tuber shape Cylindrical, shallow bulking, radial arrangement Tuber skin colour Brown Tuber rind colour Cream Tuber flesh colour White Presence of tuber neck Short neck Reaction into major pests and diseases Cassava mosaic disease : Susceptible Cercospora leaf spot       : Highly tolerant Spider mite                       : Susceptible Scale instant                     : NA Areas for adoption Kerala, Tamil Nadu Specific characteristics Suitable for low land cultivation as a rotation crop in a paddy based cropping system Specific recommendation NPK@50:50:50 (Kerala), 75: 25: 75 (Tamil Nadu) kg ha-1 FYM @ 12.5t ha-1 Spacing -90 cm X 90 cm