BLACK CHAFF (BACTERIAL LEAF STREAK)
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Wheatgrass

SOURCE:
S. Mohan
DISEASE:
Black chaff (Bacterial leaf streak)
HOST:
Wheatgrass
(Elytrigia intermedia)
Lesions on leaves first appear as water-soaked, translucent, long, narrow streaks. They later turn brown and necrotic and often coalesce into blighted areas.
PATHOGEN:
Xanthomonas translucens pv. cerealis