Brewing a Resilient Future: The Coffee Plant Revolution

Research in Brazil aims to develop drought-resistant arabica coffee using genes from lesser-known species like liberica and racemosa. With climate change threatening coffee crop viability, these efforts could ensure robust and high-quality arabica variants. Brazilian scientists are working on hybrids to withstand harsh environments and pests.

Under the relentless Brazilian sun, agronomist Oliveiro Guerreiro Filho casually navigates through a diverse collection of coffee plants at the Campinas Agronomy Institute. Unlike the uniform rows seen on most Brazilian farms, each cluster here offers a distinct variety. This collection includes 15 rare coffee species, each displaying unique characteristics that could be pivotal in securing future arabica supplies, according to researchers.

Experts warn that the supply of arabica—the most common coffee bean—faces significant threats from climate change, with projections indicating a steep decline in crops, including from top producer Brazil. A recent Rabobank report highlights the risk of about 20% of current arabica-growing areas becoming unsuitable for coffee by 2050, raising concerns among global producers.

In a bid to enhance arabica's resilience, scientists at the Sao Paulo-based research institute are integrating genes from rustic coffee species into hybrids. Notably, the liberica species has shown resilience in hotter, drier climates, earning praise from farmers in Indonesia and Malaysia who are experimenting with its drought-resistant qualities. This research is crucial, Oliveira stated, in protecting the coffee industry from climate threats and pest vulnerabilities.

(With inputs from agencies.)