C/O: Bipolaris maydis (telomorph: cochilobus heterostropus)

Symptoms:

• Spots are smaller, yellowish round or oval spots in the beginning, variable in color and pattern
• These spots enlarge, become elliptical and the center becomes straw colored with a reddish-brown margin.
• Spots may be round to elongated and may be vein limited, have more or less parallel margins
• Conidia and conidiophores are formed in the center.
• Spots may be 2 mm to 22mm in size
• Reddish brown margin of spots may be seen
• Tassel infection is rare and no ear infection is reported.