Symptoms: The root-know nematodes are root parasites typically cause root galls on the feeder roots, affecting the uptake of nutrition and water. The above ground symptoms are stunting of the plant with yellow foliage often mistaken for nutrient deficiency symptoms.

Management 1. Use of nematode free suckers at planting. 2. Apply 2 kg of farm yard manure enriched with biopesticide T. harzianum and P. lilacinus at the time of planting and afterward apply 6 more times the same dosage of bio-agent enriched manure at 6 months interval. 3. For a standing crop also apply 2 kg of farmyard manure enriched with biopesticide. T. harzianum and P. lilacinus to be repeated 6 monthly intervals. 4. Apply Carbofuran 3G @ 25 g/pit in the field at the start of the monsoon rains. 5. The treatment of suckers either by using hot water or chemical before planting as suggested for the control of R. similes.