University of Hawaii at Manoa
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Black Leaf Streak – Banana

Black leaf streak. Photo: Wayne Nishijima

Photo: Dr. Wayne Nishijima


Chlorotic, black, red, or brown streaks of leaves on bananas. Streaks lengthen and widen as disease spreads. Lesions develop on leaf tissue and leaves can die back entirely. Fruit ripens pre-maturely.

Black leaf streak. Photo: Brian Bushe

Photo: Brian Bushe, CTAHR


Kendal Lyon, Hawaii Island Master Gardeners