Johnson E. Douglas’s scientific contributions

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Publications (1)


Successful Seed Programs: A Planning and Management Guide
  • Book

July 2019

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175 Reads

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32 Citations

Johnson E. Douglas

Citations (1)


... The ISSD approach has emerged as an alternative to historically dominant and linear models aimed at a solitary and standard formal commercial seed system (Louwaars and de Boef, 2012;Borman et al., 2025a). Since the 1970s, such models have been guiding seed policies and programs (Douglas, 1980;Tripp and Rohrbach, 2001). Critics of those models point out that they are relevant for just a few crops (e.g., maize), and that they disregard, or worse yet penalize, the other seed systems through which farmers access quality seed and their varieties (Louwaars and de Boef, 2012;Sperling and Almekinders, 2023). ...

Reference:

Integrated seed sector development in Africa: Adaptation of the approach in national seed programs ☆
Successful Seed Programs: A Planning and Management Guide
  • Citing Book
  • July 2019