A common disease of onion is? by Sunday | Jul 5 | Agricultural Science WAEC | 0 comments A. leaf spot B. root knot C. leaf blight D. twister E. mosaic Correct Answer: Option E – mosaic Users Also Read These:State the level of organisation of each of the…The cattle disease which is likely to be most common…What is the level of organization of an onion bulb?VERBAL ABILITY – WORD RELATIONSHIP: turnip, onion, swedeIn animal production, disease-causing organisms are…