Sorghum (Sorghum bicolor)
Rust (Puccinia purpurea)
Symptoms
- The disease starts as raised reddish brown eruptions or pustules on the leaf and stem surface. The pustules are elliptical and parallel with the leaf veins.
- In highly susceptible cultivars the pustules occur so densely that almost the entire leaf tissue is destroyed.
- The pustules may also develop on the leaf sheaths and inflorescence stalks
Management
- Destroy the collateral host Oxalis corniculata.
- Spray Mancozeb 75 WP (3 g/litre of water).
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 | 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/litre of water | 30 g | 600 g | 1500 g |
|---|
Extremely Toxic
Highly Toxic
Moderately Toxic
