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:The disease caused by the bacterium Bacillus…A disease that could result from giving animals…VERBAL ABILITY – WORD RELATIONSHIP: turnip, onion, swedeThe cell of an onion bulb can be differentiated from…A man who is heterozygous for the disease…