Root-knot disease in tomatoes is caused by

Verified explanation Source: JAMB · 2024 Reviewed 2025

Root-knot disease in tomatoes is caused by

  1. virus
  2. nematode ✓
  3. bacterium
  4. fungus
ExplanationVerified

Root-knot disease in tomatoes is caused by nematodes. Nematodes are microscopic worms that live in the soil and can cause damage to plant roots, leading to the formation of ‘knots’ or galls. This can result in stunted growth and reduced yield. The other options, virus, bacterium, and fungus, are not the cause of root-knot disease in tomatoes.

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