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WAEC Agricultural Science 1993 Question 25

Question 25

Crop Diseases

Cassava mosaic virus can be controlled by

  1. A.spraying of fungicides
  2. B.inoculation of the plant
  3. C.spraying with insecticides
  4. D.treatment of stem cuttings
  5. E.growing resistant varieties.
Show the answer and explanation

Answer: E (growing resistant varieties.)

Explanation

There is no cure for viral disease; resistant varieties are the best control.