Black Pepper (Piper nigrum)
Stunt disease (Piper nigrum strain of cucumber Mosaic virus(CMV-Pn))
Symptoms
- The vines exhibit shortening of internodes to varying degrees.
- The leaves become small and narrow with varying degrees of deformation and appear leathery, puckered and crinkled.
- Chlorotic spots and streaks also appear on the leaves occasionally.
- Yield of the affected vines decreases gradually
Management
- Raise cuttings from disease free vines
- Uproot & burn the roots and infected vines
Chemical Control
| Sl.No | Generic Name | Trade Name | Color code | Dosage/litre | Recommendation | Remarks | |
|---|---|---|---|---|---|---|---|
| Dosage/acre (200 L) | Dosage/hectare (500 L) | ||||||
| 1 | Dimethoate 30 EC | Nugor, Rogor, Tagor, Tara 909 | Yellow | 2 ml | 400 ml | 1000 ml | Against vectors |

Extremely Toxic

Highly Toxic

Moderately Toxic

