Other Plant Disease — Worldwide/Unknown
During a disease survey of sorghum crops (_Sorghum bicolor_) in the Northeast region of Argentina, plants with necrotic lesions on leaves were observed. Symptoms consisted of elliptical, dark purplish spots parallel to leaf ribs measuring 0.5 to 1.5 cm in length on average, resulting in death of affected leaves. These symptoms were not observed previously in sorghum in this region.
Based on morphological and cultural characteristics, the causal agent was identified as _Bipolaris
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