First report of Bipolaris yamadae and Exserohilum rostratum associated with leaf spots of maize (Zea mays) in Zambia

In March 2023, leaf spot symptoms characterized by ovoid, oblong lesions with a pale brown center and small and narrow linear lesions were observed in seed maize production fields in Mkushi District, Zambia. The symptoms accounted for 70% of disease incidence and disease severity of 4 (disease scale of 0 to 9; 0 = resistant; 9 = susceptible).