References
[1] Albrecht, J. (1993). The seed handbook of Kenya. GTZ Forestry Seed Centre, Nairobi, Kenya.
[2] Orwa C, Mutua, A., Kindt R., Jamnadass R, Anthony, S. (2009). Agroforestree Database:a tree reference and selection guide version 4.0 (http://www.worldagroforestry.org/sites/treedbs/treedatabases.asp).
[3] Maundu, P. and Tengnäs T. (eds) (2005). Useful Trees and Shrubs for Kenya. Technical Handbook No. 35. Nairobi, Kenya: World Agroforestry Centre—Eastern and Central Africa Regional Programme (ICRAF-ECA), 484p.
[4] FAO. (1996). Appendix 6. Forest genetics resources priorities in Africa. Report of the eighth session of the FAO panel of experts on forest gene resources, held in Rome, 28-30 June 1993, pp. 24-25. FAO, Rome.
[5] Cunningham, M., Cunningham, A.B., and Schippmann, U. (1997). Trade in Prunus africana and the implementation of CITES. German Federal Agency for Nature Conservation, Bonn. p.52.
[6] Leakey, R. and Simons, T. (1997). Domestication—many things to many people. In Agroforestry Today 9 (2):5.
[7] Madofe, S., Andrew D., Mombo F. (2006). Developing a strategy for sustainable income generation from a valuable medicinal plant, Prunus africana in Kilimanjaro region. Final report, Research and Poverty Alleviation (REPOA) project. Morogoro: Sokoine University of Agriculture.
[8] Franzel, S., Ayuk, E., Cunningham, A.B., Asanga, C., Duguma, B. (2010). Bark for sale: The adoption potential of Prunus africana as an agroforestry tree for small-scale farmers in Cameroon. In: Cunningham, A. B. et al. Bark: use, management and commerce in Africa, Winter 2010, vol. 17, Advances in Economic Botany.
[9] Maina, P. and Mandila, M. (2019). Domestication and Survival of Selected Medicinal Trees and Shrubs in Chapereria Division West Pokot County Kenya. Asian Journal of Advanced Research and Reports, 3(2), 1-17. https://doi.org/10.9734/ajarr/2019/v3i230082.
[10] Rotich, J., Sirmah, P., Mengich, E., Okelo, P. (2017). Agroforestry trees in Kapsaret, Kenya: Socio-economic perspectives influencing availability, preference and utilization. International Journal of Agroforestry and Silviculture ISSN 2375-1096 Vol. 5 (5), pp. 315-325, May, 2017.
[11] Bryce, J.M. (1967). The commercial timbers of Tanzania. Utilization section, Tanzania Forest Division, Moshi. p.139.
[12] Hankins, M. (1989). Renewable energy in Kenya. Motif Creative Arts Ltd, Nairobi, Kenya. p.118.
[13] Cunningham, A.B. (1995). An economic evaluation of Prunus africana cultivation for medicinal bark: A case study from Cameroon. Unpublished report. WWF/UNESCO/Kew People and Plants Initiative, Godalming.
[14] Suda, C. (1992). Literature review on the use of indigenous forest in Kenya. Nairobi: KIFCON
[15] Kokwaro, J.O. (1976). Medicinal plants of east Africa. East African Literature Bureau, Nairobi. p. 384.
[16] Njoroge, G.N, Kaibui, I.M, Njenga, P.K, Odhiambo, P.O. (2010). Utilisation of priority traditional medicinal plants and local people’s knowledge on their conservation status in arid lands of Kenya (Mwingi District). Journal of Ethnobiology and Ethnomedicine. 2010; 6(1):22-28.
[17] Otieno. E.N., Analo C. (2012). Local indigenous knowledge about medicinal plants in and around Kakamega forest in western Kenya. F1000 Research. 2012;1(40). DOI: 10.12688/f1000research.1-40.
[18] Kipkore, W, Wanjohi, B, Rono, H, Kigen, G. (2014). A study of the medicinal plants used by the marakwet community in Kenya. Journal of Ethnobiology and Ethnomedicine. 2014; 10(24). DOI: 10.1186/1746-4269-10-24.
[19] Jeanrenaud, S. (1991). The conservation–development interface: A study of forest use, agricultural practices and perceptions of the rain-forest, Elinde forest, South west Cameroon. Report to UK Overseas Development Administration, London.
[20] Cunningham, A.B. and Mbenkum F.T. (1993). Review of sustainability of harvesting Prunus africana bark in Cameroon: A medicinal plant in international trade. People and Plants Working Paper, 2: 1-28. UNESCO, Paris.
[21] Nsom, C.L., Dick, J., (1992). An Ethnobotanical Tree Survey of the Kom Area. Unpublished Report Prepared for the Ijim Mountain Forest Project.
[22] Letouzey, R. (1978). Flore du Cameroun : 20. Rosacées Musée d'histoire naturelle, Paris.
[23] Dawson, I.K. and Fondoun J.M. (1996). Prunus africana collection report. ICRAF, Nairobi, Kenya.
[24] County government of Kakamega, (2015). Average farm sizes. https://kakamega.go.ke/economy.
[25] Harrison, S. & Herbohn, J. (2005). Small-scale Forestry 4: 471. https://doi.org/10.1007/s11842-005-0029-2.
[26] Kiptot, E., P. Hebinck, S. Franzel, and P. Richards (2007). Adopters, testers or pseudo-adopters: Dynamics of the use of improved tree fallows by farmers in western Kenya. Agricultural Systems 94 (2): 509-519.
[27] Stewart, K. M. (2003). The African cherry ( Prunus africana): Can lessons be learned from an over-exploited medicinal tree? Journal of Ethnopharmacology 89 (2003) 3–13.
[28] Chavangi, N.A., (1989). “Socio-economic issues in agroforestry.” Paper presented at Agroforestry Seminar, Thuci iver Lodge, November 1989. Nairobi: Ministry of Agriculture, 9 pp.
[29] Ipara H.I. (1992). Socio-economic factors affecting the participation of women in agroforestry activities in Sabatia division in Vihiga, Kakamega District, Kenya. M.Phil. thesis, Moi University Kenya.
[30] Foley, G. and Geoffrey, B. (1984). Farm and Community Forestry. Earthscan Energy Information Programme. Technical report No. 3. IIED, London.
[31] Sunderland, T. and Nkefor, J. (1997). Conservation through cultivation a case study: The propagation of Pygeum—Prunus africana. Tropical Agricultural Association Newsletter, December: 5-13.
[32] Geldenhuys, C.J. (1981). Prunus africana in the Bloukrans River Gorge, Southern Cape. South African Forestry Journal, 118:61-66.
[33] Franzel, S., D. Phiri, and F.R. Kwesiga. (2002). Assessing the adoption potential of improved tree fallows in Eastern Zambia. Trees on the farm: Assessing the adoption potential of agroforestry practices in Africa, ed. Franzel, S. and S.J. Scherr. Wallingford, UK: CAB International.
[34] Ajayi, O. C., Akinnifesi, F. K., Gudeta, S., and Chakeredza, S. (2007). Adoption of renewable soil fertility replenishment technologies in southern African region: lessons learnt and the way forward’, Natural Resource Forum 31, 306-317.
[35] Tengnäs, B. (1994). Agroforestry extension manual for Kenya. ICRAF, Nairobi, Kenya. pp. 177.
[36] Hall, J., E. O’Brien, and F. Sinclair (2000). Prunus africana: A monograph, in Publication No 18. School of Agricultural and Forest Sciences, University of Wales Bangor: Bangor. p. 104.
[37] Ndam, N. and Ewusi B. (1999). An assessment of Prunus africana situation in Cameroon, Kenya and Madagascar. Unpublished report.
[38] Lodoen, D. (2000). Back from the brink. Ecoforum, Short Rains: The East African Environment and Development Magazine, 24 (4): 40-41.
[39] Cunningham, A.B., Ayuk, E., Franzel, S., Duguma, B. and Asanga, C. (1998). An economic evaluation of medicinal tree cultivation: Prunus africana in Cameroon. People and Plants Working Paper 6, UNESCO, Paris.