Gummosis disease of citrus is caused by? By: Sunday|Published on: Jul 4|Categories: Agricultural Science WAEC| 0 comments A. aphids B. fungi C. white flies D. bacteria Correct Answer: Option B – fungi Users Also Read These:Foot and mouth disease in sheep is caused by a?Gummosis is caused by a?A disease of rabbit caused by a protozoan is?Swollen shoot disease of cocoa is caused by?A tropical disease caused by Trypanosoma is?SEE ALSO The following are practical measures of controlling trypanosomiasis except?