Sweet Potato (Ipomoea batatas)
Black rot (Ceratocystis fimbriata)
Symptoms
- This causes firm rot of tubers.
- The tubers become totally black and mummified.
- The tubers start rotting from either or both ends.
Management
- Careful harvesting of tubers.
- Enforcing strict sanitation during storage
- Dipping tubers in copper oxychloride 0.2%
Chemical Control
| Sl.No | Generic Name | Trade Name | Color code | Dosage/litre | Knapsack Sprayer (Capacity 10L) | Dosage/acre (200 L) | Dosage/hectare (500 L) |
|---|---|---|---|---|---|---|---|
| 1 | Copper Oxychloride 50 WP | Chlorban, Classic-20 Coroban, Dhanvan, Durmet, Dursban, Hilban, Krishan, Radar Starban, Tafaban, Tagban, Tricel | Blue | 2 g | 20 g | 400 g | 1000 g |
Extremely Toxic
Highly Toxic
Moderately Toxic
