John C. OnyangoProf. Dr.

John C. Onyango


Telefon: +254 (0)722 659155
e-Mail: jconyango(at)

Maseno University
P.O. Private Bag 40105


Maseno University Botanic Garden

Director of Maseno University Botanic Garden

Prof. Onyango established the University Botanic Garden, Maseno, as a Research Infrastructure and Centre for Ethno-botanical Plant Conservation in the Tropics of self sourced research funds from the Federal Ministry of Education and Research [BMB+F], Germany. The garden is a centre piece development for the university and compares to none in this region. It is a member of Botanic Gardens Conservation International with headquarters at the Royal Botanic Gardens, Kew, U.K.

Research Fields:

  • Food security in Kenya 
  • Crop plant stress physiology, agronomic and cultural methods of producing grain cereals with emphasis to upland rice (Oryza sativa L.)
  • Screening for agronomic potential of the indigenous rainfed landraces of rice (Oryza sativa L.) and traditional vegetables germplasm collection in Kenya
  • Eco-physiological and agronomic evaluation of rainfed landraces of rice (Oryza sativaL.) indigenous to Kenya
  • Adaptive technology in traditional (indigenous) vegetables and crop plants production and usage
  • Economic use of wetlands for food production at minimum input level technology
  • Biological control of Water Hyacinth through its physiological reproductive biology and predator/pray responses
  • National impartial development strategy of infrastructure and human resources  
  • Moist savanna in Ruma National Park
  • Ecosystem biodiversity and indigenous knowledge conservation for sustainable development
  • Ecological systematics and vegetation analysis of high mountains of Kenya: Mount Kenya, Mount Elgon and Mau forest
  • Croton species - an indigenous tree with great potential in Kenya as lubricants and medicinal



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