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…A man who is heterozygous for the disease…What is the level of organization of an onion bulb?Which of the following disease is caused by a bacterium?In animal production, disease-causing organisms are…