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:The pox disease in livestock are caused by?A disease of rabbit caused by a protozoan is?The disease of citrus described above is?Which disease is caused by a virus?A tropical disease caused by Trypanosoma is?SEE ALSO When different breeds of animals are mated, the process is known as?