Gummosis is caused by a? By: Sunday|Published on: Jul 4|Categories: Agricultural Science WAEC| 0 comments A. fungus B. virus C. bacterium D. nematode E. protozoan Correct Answer: Option A – fungus Users Also Read These:Water pollution is caused by all the following except?Sea tides are caused mainly by the influence of?Gummosis disease of citrus is caused by?Which of the following diseases is caused by a pathogen?The pox disease in livestock are caused by?SEE ALSO Which of the following statements is a disadvantage of human power? It