The causal organism of damping-oil disease of okra is a? by Sunday | Jul 8 | Agricultural Science WAEC | 0 comments A. bacterium B. virus C. nematode D. aphid E. fungus Correct Answer: Option E – fungus Users Also Read These:An organism that habours another organism is referred to as?An association between living organisms in which one…The causal organism of mastitis in cattle is?Foot and mouth disease in sheep is caused by a?In animal production, disease-causing organisms are…