Variety/Acc.No. |
CO 1 |
Year of release |
1976 |
Scientists involved in the development of the variety |
C. R. Muthukrishnan |
Pedigree/parentage |
Selection from Trichy local (ME-7) |
Area of release |
AICRPTC,Department of vegetable crops, HC&RI, Tamil Nadu Agricultural University, Coimbatore-3 |
Maturity |
9-10 months |
Average yield |
32-35 t -1 |
Potential yield |
40 t -1 |
QUALITY ATTRIBUTES |
Tubers suitable for processing
|
| 1.Starch (%) |
35 |
| 2.Cyanogen (ppm) |
40-60 ppm |
| MORPHOLOGICAL CHARACTERS |
| Plant type |
Erect growing and medium tall (1.5 2m), Late branching |
| Mature stem colour |
Dark grey, emerging shoot is pink |
| Emerging leaf colour |
Light green |
| Leaf type |
Broad |
| Petiole colour |
Green |
| Flowering nature |
Shy |
| Tuber shape |
Long Cylindrical |
| Tuber skin colour |
Brown |
| Tuber rind colour |
Purple |
| Tuber flesh colour |
Light yellow |
| Presence of tuber neck |
Absent |
|
Reaction into major pests and diseases |
Tolerant to CMD and scale insects |
Areas for adoption |
Tamil Nadu |
Production Condition |
Prefers irrigated condition |
Suitable season |
Post rabi/winter |
Shelf life |
low |
