Mosaic
Causal organism : Mosaic virus. Symptoms
- Young growing leaves & inflorescence shows mosaic symptoms.
- Leaves become yellow from the veins.
- Later leaves roll & falls off.
- Primary .Sources of Inoculum: Affected planting material.
- Secondary .Sources of Inoculum: Viruliferous vector
Epidemiology
- Severe in summer due to high insect vector population.
Management
- Removal of alternate weed hosts, crop residues around main plot.
- Select healthy planting material.
- Application of less N and more K induces disease resistance.
- Spray systemic insecticide, dimethoate 0.2%, imidacloprid 0.05%.
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Last modified: Thursday, 1 March 2012, 8:35 AM