I.Pale leaves II. Shrunken new leaves III. Water-soaked bark which peels off IV. Gum-like exudation…

Agricultural Science WAEC 1991

I.Pale leaves II. Shrunken new leaves III. Water-soaked bark which peels off IV. Gum-like exudation from the cracks on the bark. Which of the following diseases of citrus has the symptoms listed above?

  • die-bark
  • gum-mosis checkmark
  • blight
  • tristeza
  • citrus scab

The correct answer is: B

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