Papaya (Carica papaya)
Powdery Mildew (Sphaerotheca fuliginea, Acrosporium caricae Leveillula taurica)
Symptoms
- Small circular patches on both side of the leaves and stem of young seedlings
- Patches extend- coalesce and cover the entire surface of leaves
- Severely infected leaves curl, dry up, hang down and finally fall down
- The stem shrivels at the infected portion and collapses
Management
- Prune diseased leaves to reduce primary inoculum load.
- Keep proper spacing during sowing.
- Thiophanate methyl 70% WP @ 286 g in 300-400 l of water/acre (Thiophanate methyl 70% WP @ 0.1% along with sticker @ 0.05%)
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 | 2 g/litre of water | 20 g | 400 g | 1000 g | |
Extremely Toxic
Highly Toxic
Moderately Toxic
