Anthurium (Anthurium spp.)
Black rot (Pythium sp. and Phytophthora sp.)
Symptoms
- The infection often starts in the roots and may spread upward to the base of the pseudobulb or leaf,
- Leaf to fall from the plant with a slight jarring.
Management
- Remove and destroy the infected tissue with a sterile knife.
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 | Metalaxyl + Mancozeb 64 WP | Master, Duet, Kirlaxyl MZ 72 Matco 864, Metal Man Metal Plus, Metallic Mix Syscon, Unilax, Redomil MZ 78 | Blue | 2 g/litre of water | 20 g | 400 g | 1000 g | |
| 2 | Potassium phosphonate 40 SC | Akomin | Green | 4 ml/litre of water | 40 ml | 800 ml | 2000 ml | |
Extremely Toxic
Highly Toxic
Moderately Toxic
