Root-knot nematodes
Plant disease guide · TerraceFarming
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What causes Root-knot nematodes?
Microscopic worms attack the roots, forming large galls or knots. The seedling turns yellow, wilts, and stops growing.
How to treat Root-knot nematodes
Apply neem cake powder to the soil, which naturally suppresses nematodes. Liquid drench with jeevamrutha.
How to prevent Root-knot nematodes
Use sterile potting soil. Plant marigolds heavily around the base, as their roots release a chemical that kills nematodes.
Crops commonly affected
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