Oil Palm (Elaeis guineensis)
Spear rot / Stem wet rot(Erwinia spp)
Symptoms
- Sudden death of the spear leaves including the young expanded fronds surrounding the spear
- Remaining fronts show yellowish discoloration and then rapidly wither and die
- Sometimes, the older leaves die first and the symptoms progress to younger leaves
- Affected palm will have a cavity of variable size filled with rotten fibrous mass.
- Rotting mass will be bright yellowish in color
- Occurrence of spear without yellowing is also noticed
Management
- Roguing of all affected palms
- Removal of infected portion
- Providing proper drainage
- Avoiding flood in the field
Chemical Control
| Sl.No | Generic Name | Trade Name | Color code | Dosage/litre | Recommendation | Remarks | |
|---|---|---|---|---|---|---|---|
| Dosage/acre (200 L) | Dosage/hectare (500 L) | ||||||
| 1 | Carbendazim 50 WP | Bavistin, Benfil, Bengard, Benlate, Benmain, Bensaan, Carben, Carziim50, Dhanustin, Dhanustin 50 WP, Fungiguard, Gancarzin50, Glizim, Mintho, Tagstin, Tiara, Zoom | Green | 1 g | 10 g | 200 g | 500 g |
Extremely Toxic
Highly Toxic
Moderately Toxic
