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Photos of rice stackburn disease caused by the fungus Alternaria padwickii, including fungal signs and symptoms on the plant.
Slide 1: Up close view of Stackburn spot, also called Alternaria leaf spot, showing round dark black sclerotia.
Slide 2: Rice leaves showing typical symptoms of Alternaria leaf spot (note double or kissing lesions on upper leaf).
Slide 3: Single Alternaria leaf spot rice leaf lesion.
Slide 4: Rice leaf showing symptoms and signs (sclerotia) of Alternaria leaf spot.
Slide 5: Broader lesion boarders on Alternaria leaf spot lesions.
Slide 6: Rice leaves with stackburn (Alternaria leaf spot) symptoms.
Slide 7: Older Alternaria leaf spot lesions on rice leaves.
Slide 8: Atypical Alternaria leaf spot lesions on rice.
