White Yam (Dioscorea rotundata)
Leaf spot (Cercospora spp)
Symptoms
- Leaf spots can vary in size, shape, color, and form depending on the organism causing them.
- Brown spots are visible on yams that darken over time.
- Later,these spots coalescence and become larger
- Infected leaves turn yellow and fall off early.
Chemical Control
| Sl.No | Generic Name | Trade Name | Color code | Dosage/litre | Knapsack Sprayer (Capacity 10L) | Recommendation | Remarks | |
|---|---|---|---|---|---|---|---|---|
| Dosage/acre (200 L) | Dosage/hectare (500 L) | |||||||
| 1 | Mancozeb 75 WP | Devidayal M-45, Dhanuka M-45 Dithane , Dithane M-45 , Hilthane Hindustan M-45 , Indofil M-45, Izeb M-45 , Manzate , Luzen 45 ,Macoban M-45, Mancosaan, Mancosaan M-45, Manzeb 75 WP, Maneb Manzane, M-Guard , Savour M-45 , Tata M-45, Eurofil -NT , Uthane M-45 ,Veera, Zinthane | Green | 3 g | 30 g | 600 g | 1500 g | |
Extremely Toxic
Highly Toxic
Moderately Toxic
