Bercak daun jagung utara, Busuk kuping Helminthosporium (ras 1) Cochliobolus carbonum R.R. Nelson (anamorph: Bipolaris zeicola (G.L. Stout) Pembuat sepatu = Helminthosporium carbonum Ullstrup) Busuk kuping Penicillium (mata biru, jamur biru) Penicillium spp. P. chrysogenum Thom P. expansum Link P. oxalicum Currie & Thom