Jasmine (Jasminum spp.)
Collar Rot or Root Rot(Scelrotium rolfsii, Rhizoctonia solani)
Symptoms
- Roots of the plant decay (as a result of excess water).
- Very difficult for the roots to get the air that they need, causing them to decay.
- Plants at all stages are infected.
- Firstly older leaves become yellow followed by younger leaves and finally death of the plant.
- Black discoloration can be seen in root.
- White strands of mycelia and mustard like sclerotia are seen on the infected tissues and stem surface.
Management
- Completely remove and destroy plant residues and stubbles soon after harvest.
- Soil application of Pseudomonas fluorescens (20 g/litre of water) or Trichoderma viride 2.5 kg / ha with 225 kg dried FYM+25 kg neem.
Chemical control
| Sl.No | Generic Name | Trade Name | Color code | Dosage/litre | Knapsack Sprayer (Capacity 10L) | 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/ litre of water | 10 g | 200 g | 500 g | Soil drenching | 2 | Copper oxychloride 50 WP | Bensaan, Blitox, Blue copper, Bluetrox, Copter, Cupramar, Cuprina, Dhanucop, Fytolan, Fytox, Fytran, Fytolan, Hilcopper, Killex copper, Maincop Dhanucop, Star cop, Tagcop, Trucop | Blue | 2 g/ litre of water | 20 g | 400 g | 1000 g | Soil drenching |
Extremely Toxic
Highly Toxic
Moderately Toxic
