SL28, SL34, Ruiru 11, Batian
This topic explores the key Kenyan-developed coffee varieties—SL28, SL34, Ruiru 11, and Batian—their origins, traits, flavor profiles, and significance for disease resistance and quality.
Flavor profile
Arabica vs Canephora (Robusta) vs Liberica/Excelsa
This topic compares the three main commercial coffee species—Arabica, Robusta (Canephora), and Liberica/Excelsa—covering their genetics, cultivation environments, bean traits, flavor profiles, and market roles.
Genus Coffea and major species overview
This topic introduces the genus Coffea, explains its major species, and outlines their biological traits, cultivation differences, and global significance.