Coffee leaf rust (hemileia vastatrix) is examined on a coffee plantation in San Marcos de Tarrazœ, Costa Rica.

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Photo credit: © Edwin Remsberg / Alamy / Afripics
License: Licensed
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Keywords: america, central, cherries, coffee, costa, fungus, hands, hemileia, leaf, plant, research, rice, rust, tarrazú, tarrazœ, vastatrix