Cowpea (Vigna unguiculata)
Stem canker(C.O.: Macrophomina phaseolina)
Symptoms
- Raised white cankers at the base of the stem.
- Plants are stunted and leave become dark green, mottled and reduced in size.
- Normal leaves on the affected plants drop suddenly and dry.
- Flowering and podding are greatly reduced.
Management
- Follow summer ploughing, crop rotation.
- Destroy the diseased plant debris by burning or burying in the soil.
- Seed treatment with Trichoderma viride or Pseudomonas fluorescens (20 gram/ kg of seeds)
Chemical Control
| Sl.No | Generic Name | Trade Name | Color code | Dosage/litre | Remarks |
|---|---|---|---|---|---|
| 1 | Thiram 75 WS | Hexathir, Tagithram, Thiram 75 DS, Thiride, Vegfru Thiram | Blue | 4g/kg of seed | Seed treatment |
| 2 | Carbendazim 50 WP | Bavistin, Benfil, Bengard, Benlate, Benmain, Bensaan, Carben, Carziim50, Dhanustin, Dhanustin 50 WP, Fungiguard, Gancarzin50, Glizim, Mintho, Tagstin, Tiara, Zoom | green | 4gm/ kg of seed | Seed treatment |
| 3 | Carbendazim 50 WP | Bavistin, Benfil, Bengard, Benlate, Benmain, Bensaan, Carben, Carziim50, Dhanustin, Dhanustin 50 WP, Fungiguard, Gancarzin50, Glizim, Mintho, Tagstin, Tiara, Zoom | green | 1g | Soil drenching |
Extremely Toxic
Highly Toxic
Moderately Toxic
