Lasting importance

SL28, SL34, Ruiru 11, Batian

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.

Caturra, Catuaí, Mundo Novo, Maragogipe

Caturra, Catuaí, Mundo Novo, Maragogipe

This topic explores four key Arabica varieties—Caturra, Catuaí, Mundo Novo, and Maragogipe—their origins, traits, advantages, and roles in global coffee cultivation.

Typica and Bourbon lineages

Typica and Bourbon lineages

This topic explores the two foundational Arabica lineages—Typica and Bourbon—their origins, spread, genetic traits, and importance for modern coffee cultivation and flavor diversity.

Common physiological disorders

Common physiological disorders

This topic covers the most frequent physiological (non-pathogenic) disorders in coffee plants, how they differ from diseases, their causes, and their impact on yield and bean quality.

Yield vs quality trade-offs

Yield vs quality trade-offs

This topic explains the natural and management-driven trade-offs between maximizing coffee yield and achieving high cup quality, and why farmers, buyers, and consumers must balance these competing priorities.

Altitude and temperature effects on growth

Altitude and temperature effects on growth

This topic explores how altitude and temperature shape coffee growth, yield, and flavor, explaining why terroir is central to coffee’s identity and quality.