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Expensive cup o'joe? Blame coffee farm rust fungus

photo of tropical forest

In the complex web of life on Mexican and Central American coffee farms, shade is critical.

Credit: Ivette Perfecto


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green coffee beans on a branch

Where your morning cup o'joe begins: on a coffee plant.

Credit: Ivette Perfecto


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Ivette Perfecto (far right) and other scientists at a Puerto Rican coffee farm.

Ivette Perfecto (far right) and other scientists study the ecosystem of a Puerto Rican coffee farm.

Credit: University of Michigan


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Shady coffee farm

Shady coffee farm: Beneficial white halo fungus, green coffee scale and Azteca ants thrive there.

Credit: Ivette Perfecto


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a low-shade, high-sun coffee plantation with thinned tree canopy

In contrast, a low-shade, high-sun coffee plantation: The tree canopy has been thinned.

Credit: Ivette Perfecto


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researchers at a table studying coffee plants

No coffee break for these researchers; they're hard at work studying coffee farm ecology.

Credit: Ivette Perfecto


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