Advancing inclusive on-farm testing approaches to facilitate maize breakthrough product development in sub-Saharan Africa

Developing breakthrough products that deliver at least 25% improvements in productivity in farmers' fields requires that breeding pipelines more closely align with farmers' and end-user needs and the target population of environments (TPEs). In the case of maize, climate change is accelerating climatic shifts within the TPE, potentially limiting future realised genetic gain. On-farm breeding approaches can play a valuable role in supporting breeding programs transitioning towards breakthrough products. Increased sampling of the TPE by moving selection into farmers' fields can overcome the challenges of climatic changes within the TPE and extensive farmer diversity, whilst providing information to refine managed environment trials designed to sample the TPE. This review highlights advances in inclusive host farmer sampling, sparse testing strategies and phenotyping to facilitate scaling of on-farm testing within breeding pipelines.

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Publication Details

Journal
Journal of Experimental Botany
Published
2026-09-04
DOI
https://doi.org/10.1093/jxb/erag431
Primary Topic
Climate change impacts on agriculture
Type
article
Field-Weighted Citation Impact
0.00

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article

Advancing inclusive on-farm testing approaches to facilitate maize breakthrough product development in sub-Saharan Africa

Jacob van Etten, Mainassara Zaman‐Allah, Jill E. Cairns, Tamerlane Mark S. Nas et al.
Journal of Experimental Botany
Climate change impacts on agriculture
article

Advancing inclusive on-farm testing approaches to facilitate maize breakthrough product development in sub-Saharan Africa

Jacob van Etten, Mainassara Zaman‐Allah, Jill E. Cairns, Tamerlane Mark S. Nas, Christian R. Werner, Francisco Pinto, Monica Fisher, Happy Daudi, Kauê de Sousa
article en

Abstract

Developing breakthrough products that deliver at least 25% improvements in productivity in farmers' fields requires that breeding pipelines more closely align with farmers' and end-user needs and the target population of environments (TPEs). In the case of maize, climate change is accelerating climatic shifts within the TPE, potentially limiting future realised genetic gain. On-farm breeding approaches can play a valuable role in supporting breeding programs transitioning towards breakthrough products. Increased sampling of the TPE by moving selection into farmers' fields can overcome the challenges of climatic changes within the TPE and extensive farmer diversity, whilst providing information to refine managed environment trials designed to sample the TPE. This review highlights advances in inclusive host farmer sampling, sparse testing strategies and phenotyping to facilitate scaling of on-farm testing within breeding pipelines.

Journal of Experimental Botany
Alliance Bioversity International - CIAT (IT), Centro Internacional de Mejoramiento de Maíz Y Trigo (MX), Graduate School Experimental Plant Sciences (NL), University of Inland Norway (NO), International Maize and Wheat Improvement Center (BD), International Maize and Wheat Improvement Center (KE), Wageningen University & Research (NL)
Consortium of International Agricultural Research Centers
Openalex Percentile: Top 7%
Climate change impacts on agriculture
DOIOpen Access PDFOpenAlex
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