Bipolaris heveae

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Bipolaris heveae A) leaf spots on Hevea brasiliensis, B) conidiophores and conidia on the leaf spots, C) conidiophores, D) young conidia attached to conidiophores, E) matured conidia attached to conidiophores, F–I) conidia - scale bars: A = 300 μm, B = 75 μm, C–E = 10 μm, F–I = 5 μm (click on image to enlarge it)
Author(s): D.S. Manamgoda, A.Y. Rossman, L.A. Castlebury, P.W. Crous, H. Madrid, E. Chukeatirote and K.D. Hyde
Source: Studies in Mycology, 2014, 79, p. 251

Bipolaris heveae (Petch) Arx 1987

This fungus is widely distributed in tropical regions. It infects rubber trees (Hevea brasiliensis), but has been also reported from grasses. On rubber, it causes circular leaf spots, bordered by a purplish brown line. The conidia are curved and brown with a size of around 90 x 20 µm. See Manamgoda et al. (2014) for details.

Synonyms:
Cochliobolus heveicola
Drechslera heveae
Helminthosporium heveae