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WAEC Agricultural Science 2005 Question 34

Question 34

Crop Diseases

Viral diseases of crop plants are best controlled by

  1. A.planting resistant varieties
  2. B.applying fungicides
  3. C.applying insecticides
  4. D.flooding farmlands.
Show the answer and explanation

Answer: A (planting resistant varieties)

Explanation

There is no cure for plant viruses; resistant varieties prevent them.