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Adoption without gains, and vice-versa: Exploring the disconnect between improved bean varieties and yield in Central America and Haiti through the lens of seed systems

Author

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  • Reyes, Byron
  • Maredia, Mywish K.
  • Martínez, José María
  • Gómez, Lorena
  • Rosas, Juan Carlos
  • Miranda, Angela

Abstract

Common beans (Phaseolus vulgaris L.) are vital for food security and rural livelihoods in Central America and Haiti. Over the past 30 years, R&D has focused on breeding resilient bean varieties to withstand climate change, pests, and diseases. However, the success of these innovations depends not only on variety development but also on efficient seed systems that deliver them to farmers—a crucial yet often overlooked factor in maximizing agricultural R&D benefits.

Suggested Citation

  • Reyes, Byron & Maredia, Mywish K. & Martínez, José María & Gómez, Lorena & Rosas, Juan Carlos & Miranda, Angela, 2025. "Adoption without gains, and vice-versa: Exploring the disconnect between improved bean varieties and yield in Central America and Haiti through the lens of seed systems," Agricultural Systems, Elsevier, vol. 230(C).
    • Handle: RePEc:eee:agisys:v:230:y:2025:i:c:s0308521x25001878
    DOI: 10.1016/j.agsy.2025.104447
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