What farmers taught a scientist: Stanford Blade on cowpea, community, and 40 years of impact

Cover Image: Dr Stanford Blade during a visit to Northern Nigeria. (Photo credit: Dr Stanford Blade).

A young Canadian researcher once learned Hausa in northern Nigeria to breed better legumes. Nearly four decades later, Dr Stanford Blade returns to Ibadan to reflect on what truly lasts in agricultural science.

For Dr Stanford Blade, walking back into the research fields at IITA, the memories did not arrive gradually. They came all at once.

“I could still feel the sweat on my brow,” Blade recalled, thinking back to the heat, the dust, and the painstaking manual work of planting, harvesting, and taking field notes in the late 1980s.

Blade was in Ibadan to attend high-level leadership meetings for CGIAR. Today, he is Deputy Director General–Research and Innovation at ICRISAT (International Crops Research Institute for the Semi-Arid Tropics) in India. But his trajectory as an international agricultural scientist was forged right here on IITA’s soil.

His journey began in 1987, when he arrived as a Commonwealth scholar to conduct doctoral research in Africa. Under the mentorship of pioneering legume breeder Dr B.B. Singh, Blade plunged into the study of cowpea and traditional intercropping systems.

For the young scientist, it proved to be far more than an academic exercise. It was an education in how agricultural research works when scientists step out of the station and into the reality of smallholder farming.

Learning from the field and from farmers

Blade’s early work focused on selecting cowpea varieties that could thrive alongside staple cereals like millet and sorghum. After completing his PhD, he moved to Kano as an IITA postdoctoral scientist, running trials across West Africa, including Ghana, Niger, Burkina Faso, and Cameroon.

Northern Nigeria, in particular, reshaped how he thought about plant science.

Rather than making breeding decisions solely inside research stations under optimal, fertilized conditions, Blade and his team brought local farmers directly into the trial rows.

It was an early implementation of participatory plant breeding. Farmers were invited to evaluate experimental lines using their own criteria—prioritizing traits researchers might overlook, such as how easily pods could be harvested without shattering, cooking times, pest tolerance during storage, or the quality of leftover haulm used as vital livestock fodder during the dry season.

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