World Coffee Research Sees Robusta on the Horizon

By: Alexis Rubinstein, Managing Editor - Coffee Network

Thu, 08 Jun 2023, 14:04

Alexis Rubinstein

Managing Editor

CoffeeNetwork (New York) - Over the past year, World Coffee Research (WCR) has been deepening its work in robusta, including laying the groundwork for a possible robusta breeding program.

The market for robusta (C. canephora) has seen sustained high growth in the last few decades, rising from 25% to 40% of total production in the last 30 years.1 Demand is not expected to slow down—the coffee markets with the highest growth rates and youngest populations are all markets that currently consume primarily robustas. And yet, robusta production—and the agricultural research that supports it—is still in many ways in its infancy. Robusta’s full potential as a crop has not yet been uncovered.

In 2022, as a response to member company input that reflected an increasing interest in robusta, WCR initiated a study of the potential for breeding to support the industry’s robusta needs. This holistic survey of the opportunities and challenges of robusta breeding is being led by expert breeding design consultants, AbacusBio. This survey—which has entailed a series of informational interviews with WCR member companies, research institutes, and variety owners from around the world, combined with global data and literature reviews—will culminate in a report later in 2023 that defines the opportunities available in robusta variety development. WCR will use the report to begin building a robusta breeding strategy and initiate program design.

In preparation for possible robusta breeding, WCR has negotiated access to a significant collection of robusta genetic materials, signing a material transfer agreement with the Centre de Coopération Internationale en Recherche Agronomique pour le Développement (CIRAD). This agreement will enable the use of a diverse population of robusta material—approximately 80 lines originating from a breeding program in French Guiana—for the purposes of breeding, selection, and propagation. WCR considers this sharing of material a significant milestone as robusta germplasm has been historically difficult to access; CIRAD’s collaboration is an invaluable input to securing the future of robusta production.

WCR is committed to the principle that research should respond to the needs of end-users, such as farmers, buyers, and consumers (i.e., “demand-led” research design). Following this principle, in April, WCR convened a focus group of robusta buyers to understand their needs and goals when it comes to improving robusta quality, with an eye toward incorporating quality improvement into a robusta breeding program.

The focus group was hosted by WCR member company Lavazza at the Lavazza Innovation Center in Turin, Italy. Buyers of robusta from WCR member companies including Strauss Coffee, Tchibo, Taylors of Harrogate, Keurig Dr Pepper (KDP), Mercon Coffee Group, Sucden, JDE Peet’s (JDE), DR Wakefield, and Coffee Circle participated and discussed their needs and preferences when it comes to robusta quality, as well as broader challenges and opportunities for robusta production.

The focus group was led by Dr. Manuel Diaz of ONA Consulting and previously the Coffee Quality Institute (CQI). Accompanying the focus group, participants tasted 23 unique robustas from different genetic groups and quality segments to spur and inform the day’s discussions. The coffees were sourced widely from countries including Brazil, Guinea, Guatemala, India, Indonesia, Laos, Tanzania, Timor Leste, Uganda, and Vietnam. WCR breeding team members Dr. Tania Humphrey, Dr. Robert Kawuki, and Dr. Santos Barrera, and Senior Corporate Membership Manager Alexa Heinicke were in attendance to observe the discussion and collect feedback from member company representatives in real-time.

Participants identified the following as key challenges for the future of robusta: supply shortages, farmer attrition, consolidation of origin diversity, consistency of quality, low consumer perception of robusta in some markets, lack of institutional support for improving production or opening new robusta production areas, and regulatory pressure regarding deforestation and chemical inputs. Participants also identified numerous opportunities: stronger market differentiation/segmentation (beyond just soluble, blending, or premium segments), improved consistency, new flavor profiles and product innovation, yield improvements, strengthening farmer profitability, and new production systems (agroforestry/shade, regenerative farming approaches, and intercropping).

Also in April, WCR launched a robusta varieties catalog, compiling information on performance of about 43 varieties created around the world by robusta breeders in the past few decades. The catalog was generated through collaboration with breeders and other experts, including from the Central Coffee Research Institute (CCRI), the Indonesian Coffee and Cocoa Research Institute (ICCRI), the Brazilian Agricultural Research Corporation (EMBRAPA), the National Coffee Research Institute of Uganda (NaCORI-Uganda), the Western Highlands Agroforestry Science Institute (WASI), and Nestlé’s Research Center. The goal of the catalog is to support farmers to make informed planting decisions, but also to educate the wider industry about the different varieties available and the importance of continual innovation through breeding.

No effort on variety innovation is complete without attention to ensuring improved plants can be disseminated to farmers. WCR has begun to explore the challenges and opportunities for robusta propagation and dissemination via a project in Uganda, funded by Strauss. The project focuses on bottlenecks to farmer adoption of newly released varieties in Uganda (KR 1-10) developed to be resistant to Coﬀee Wilt Disease (CWD), which can increase farmer income up to 250%.2 The project includes development of a screening tool that nurseries can use to verify if the plants are genuine KR lines), utilization of the tool to verify mother garden plants + distribute the right plants to ten local lead farmer nurseries (goal = 100,000 plants); creation of a manual to instruct nursery operators in grafting CWD-resistant robusta scions onto drought tolerant root stocks for increased plant health, and dissemination of the KR line varieties to local farmers.

Alexis Rubinstein

Coffee

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