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Abstract

Leaf spot of pawpaw is hereby reported for the first time in Nigeria. The symptom is characterized by a papery center surrounded by a yellow halo. The causal organism is Corynespora cassiicola. Ripe fruits and abaxial surfaces of the leaves were significantly more susceptible to infection than unripe fruits and adaxial surfaces of leaves. Growth and sporulation of the fungus on several media was investigated. The organism grew faster on malt-extract agar (MEA) derived media and slowest on potato-dextrose agar (PDA) supplemented with thiamine. Sporulation was highest on Czapek-dox agar (CDA) plus biotin and lowest on PDA and PDA + thiamine. Reasons for increased susceptibility of ripe fruit are discussed.

Subcutaneous phaeohyphomycosis caused by plant pathogenic Corynespora cassiicola: A case report

“… 8 C. cassiicola is an anamorphic fungus belonging to the Ascomycota phylum, Dothideomycetes class, Pleosporales order. 9 The C. cassiicola infection is extremely rare in human.…”

Evolution of Benzimidazole Resistance Caused by Multiple Double Mutations of β-Tubulin in Corynespora cassiicola

“…cassiicola belongs to the Ascomycota phylum, Dothideomycetes class, Pleosporales order, and is mainly distributed in the tropic and subtropic regions . The pathogen is capable of infecting humans and causing serious economic losses on cucurbit crops, rubber trees, tomatoes, and other crops. − The pathogen can cause a decrease in the quantity and quality of cucumbers and is harmful to greenhouse production. , In severe cases, the incidence of CTLS could reach 100% in the field …”