1. Ali S, Kadian MS, Ortiz O, Singh BP, Chandla VK, Akhtar M (2013) Degeneration of potato seed in Meghalaya and Nagaland states in north-eastern hills of India. Potato J 40:122–127
2. Almekinders CJ, Louwaars NP (2002) The importance of the farmers’ seed systems in a functional national seed sector. J New Seeds 4:15–33
3. Almekinders CJM, Louwaars NP, De Bruijn GH (1994) Local seed systems and their importance for an improved seed supply in developing countries. Euphytica 78:207–216
4. Almekinders CJM, Walsh S, Jacobsen KS, Andrade-Piedra JL, McEwan M, De Haan S, Kumar L, Staver C (eds) (2019) Why interventions in the seed systems of roots, tubers and bananas crops do not reach their full potential. Food Security. First Online 23 Jan 2019, 20 p. ISSN 1876-4525
5. Amstel H van, Bottema JW, Sidik M, Santen CE van (1996) Integrating seed systems for annual food crops. Proceedings of a workshop held in Malang, Indonesia October 24-27, 1995. Regional Co-ordination Center for Research and Development of Coarse Grains, Pulses, Roots and Tuber Crops in the Humid Tropics of Asia and the Pacific, Research Institute for Legume and Tuber Crops, Agronomy Society of Indonesia