Ten Tree diseases affecting forest tree species A) Common name: Root rot disease Botanical name: Cochliobolus sativus. Literature review: Root rot disease is a disease that attacks the roots of trees growing in wet or damp soil. Prolonged exposure to excess water causes waterlogging, which interferes with aeration of the roots, leading to low oxygenation and decay. Causative Agent: Phytophthora spp. Particularly species P.cinnamomi. Others include Pythium, Rhizoctonia and Fusarium..... B) C...