Mango (Mangifera indica)
Powdery mildew (Oidium mangiferae, Acrosporum mangiferae)
Symptoms
- Powdery mildew is one of the most serious diseases of mango affecting almost all the varieties.
- The characteristic symptom of the disease is the white superficial powdery fungal growth on leaves, stalk of panicles, flowers and young fruits.
- The affected flowers and fruits drop pre-maturely reducing the crop load considerably or might even prevent the fruit set.
- Rains or mists accompanied by cooler nights during flowering are congenial for the disease spread.
- Severe infestation is seen during December-March months.
Management
- Maintain proper health of the plant.
- The practice of using baking soda (5 gram/litre of water) is also found effective.
- Check the growth of various sucking pests that can act as vectors of the disease.
Chemical Control
| Sl.No | Generic Name | Trade Name | Color code | Dosage/litre | Knapsack Sprayer (Capacity 10L) | Recommendation | Remarks | |
|---|---|---|---|---|---|---|---|---|
| Per acre (200 L) | Per hectare (500 L) | |||||||
| 1 | Wettable sulphur 80 WP | Mainsul, Sulfoguard, sulphur Microsul WDG, Villo, Dhanusul, Koshavet 80 WDG, Cosavet, Nanthiin DF Sulfexgold, Sulfil 80% WP Inorganic Green Wettasul, Dhanusul 80 | Yellow | 2 g/litre of water | 20 g | 400 g | 1000 g | |
| 2 | Dinocap 48 EC | Arathane, Karathane | Blue | 2 ml/litre of water | 20 ml | 400 ml | 1000 ml | |
| 3 | Carbendazim 50 WP | Bavistin, Benfil, Bengard, Benlate, Benmain, Bensaan, B-stin 50 WP, JK Stein 50 WP, Carben, Carziim 50, Dhanustin, Dhanustin 50 WP, Fungiguard, Gancarzin 50, Glizim, Mintho, Tagstin, Tiara, Zoom | Green | 1 g/litre of water | 10 g | 200 g | 500 g | |
Extremely Toxic
Highly Toxic
Moderately Toxic
