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:The most effective method of controlling or…SS 2 Second Term Agricultural Science Lesson Note -…Which of the following diseases is commonly observed…The most effective method of controlling viral…Newcastle disease is viral diseases that affect…