RTIMP, through it's structured research, has obtained improved varieties of planting materials. These varieties have several advantages compared to the local/traditional varieties.
Our Root and Tuber Improved Planting Materials include
- Sweet Potato Vines
- Cassava Sticks
- Cocoyam Corms
Advantages include:
- Better Yield
- Taste and quality of the harvest obtained
- Pest and Disease Tolerance
This is what you get when you use our improved planting materials. Our able researchers have painstakingly developed these for YOU!

CRI-Gye me di (Picture 1 on the left)
- This variety has a potential yield of 8.00mt/ha
- Maturity is 12-15 MAP
- Diseases tolerated: Root rot, Mosaic Virus and Leaf Blight
- High dry matter, Ash & Carbohydrate (58.22%, 2.73%, 48.19%) content
- Food uses: Varied- Fufu, Ampesi, Eto, Bread, Confectioneries etc
CRI- AKYEDE (Gift)-Purple
- Potential yield of 7.00mt/ha
- Maturity is 12-15 MAP
- Diseases tolerated: Root rot, Mosaic Virus and Leaf Blight
- High crude protein, crude fibre, Ash, Dry matter & Carbohydrates
- Food uses: Varied- Fufu, Eto, Ampesi, Koliko, Bread, Confectioneris
CRI- MA AYE YIE (I am better off)-White
- Potential yield of 5.7-6.00mt/ha
- Maturity is 12 MAP
- Diseases tolerated: Root rot, Mosaic Virus and Leaf Blight
- High carbohydrate, Dry matter, Ash, Crude protein & crude fibre (48.62%, 59.88%, 2.84%, 6.72%, 1.17%) content.
- Food uses: Varied- Fufu, Eto, Ampesi, Koliko, Bread, Confectioneris