Gummosis disease of citrus is caused by? by Sunday | Jul 4 | 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?The major vitamin in citrus fruit is?A man who is heterozygous for the disease…Which of the following diseases of citrus has the…Gummosis is caused by a?