The mosaic symptom commonly associated with viral diseases of crops can be best observed on? by Sunday | Jul 9 | Agricultural Science WAEC | 0 comments A. roots B. stem C. leaves D. fruits E. flower Correct Answer: Option C – leaves Users Also Read These:Viral disease of crops can best be controlled through?The most effective method of controlling viral…Newcastle disease is viral diseases that affect…Chlorosis observed along the veins of leaves is a…Viral diseases of crop plants are best controlled by?