Researchers at the University at Buffalo have discovered the genealogy of Coffee Arabica, finding that it naturally arose from two other coffee species in Ethiopian woodlands around 600,000 years ago. The study also reveals the impact of Earth's climate cycles on the Arabica population throughout history.
Realizing the potential for coffee plants to thrive in the face of climate change may reside in the wisdom of the past.
The study also showed that Earth’s warming and cooling cycles caused variations in the Arabica population throughout thousands of years. It eventually grew in Yemen and Ethiopia before spreading over the globe.Arabica is vulnerable to various pests and illnesses, partly because of its tiny population size and poor genetic diversity resulting from past inbreeding. It can only be grown in certain regions with reduced pathogen threats and more suitable climate conditions.
Researchers claim this would be consistent with data suggesting that coffee was mostly grown in Yemen sometime in the fifteenth century. Around 1600, the Indian monk Baba Budan is said to have carried the illusive “seven seeds” out of Yemen, establishing Indian Arabica cultivars and laying the groundwork for coffee’s current global spread.
University At Buffalo Coffee Plants Climate Change Genealogy Coffee Arabica Ethiopian Woodlands Earth's Climate Cycles
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