Pigeon Pea Root-knot Nematodes

(Meloidogyne incognita, M. javanica)

Credits: Biovision-Infonet

Root-knot nematodes (Meloidogyne incognita / M. javanica) Roots of severely attacked (left) and healthy plant (right). Affected plants are normally stunted and eventually wilt and die. The most characteristic symptom is formation of root galls (knots) and these can be seen with the naked eye. Affected roots rot.
(c) A. M. Varela, icipe

Affected plants are normally stunted and eventually wilt and die.

The most characteristic symptom is formation of root galls (knots) and these can be seen with the naked eye. Affected roots rot.

What to do:

  • Plant resistant varieties / lines, if available.
  • Plant in fields with no previous record of nematode infestation.
  • Rotate with cereals.
  • Amend soil with neem extracts.
  • A number of bio-products for control of nematodes are going through registration process in Kenya.

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