Botanicals and plant strengtheners for potato and tomato cultivation in Africa
Tewodros MULUGETA1, 2, Jean-Baptiste MUHINYUZA3, Reinette GOUWS-MEYER4, Lerato MATSAUNYANE5, Erik ANDREASSON6, Erik ALEXANDERSSON6
1 Department of Zoological Sciences, Addis Ababa University, Addis Ababa 1000, Ethiopia
2 Department of Biology, Kotebe Metropolitan University, Addis Ababa 1000, Ethiopia
3 College of Agriculture, Animal Science and Veterinary Medicine (UR-CAVM) Busogo Campus, University of Rwanda, Musanze 210, Rwanda
4 Department of Crop Sciences, Tshwane University of Technology, Pretoria 0183, South Africa
5 Department of Plant Breeding, Agricultural Research Council-Vegetable and Ornamental Plants, Pretoria 0001, South Africa
6 Department of Plant Protection Biology, Swedish University of Agricultural Sciences (SLU), Alnarp SE-23053, Sweden
This review provides a summary of botanicals and plant strengtheners that have potential uses for disease and pest management in potato and tomato cultivation in African. We discuss their possible use to prevent major diseases and pests which infest potato and tomato, such as early and late blight, bacterial wilt, potato tuber moth, and tomato leafminer. There are several examples of the successful uses of botanicals for pathogen and pest control relevant for different African climatic conditions; however, most of these studies have been conducted in vitro and often lack field verification. Plant strengtheners (substances that induce and improve crop resistance, yield, and quality) are little studied and used in Africa in comparison to North America and Europe. The possible benefits of using botanicals and plant strengtheners instead of conventional pesticides are discussed here in relation to human health and the environment as well as their modes of action and accessibility to farmers. Lack of knowledge of the composition and active ingredients of extracts, environmental concerns, uncertainties regarding stability and formulation, lack of legislation and limited support from governments, hamper the development of botanicals and plant strengtheners for use in sustainable African agriculture.
Received: 11 November 2018
|Fund: We thank the AgriFoSe2030 programme and the Swedish International Development Cooperation Agency (SIDA) as well as the Swedish Foundation for International Cooperation in Research and Higher Education (STINT) for financial support.
Correspondence Erik ALEXANDERSSON, E-mail: Erik.firstname.lastname@example.org; Tewodros Mulugeta, E-mail: mulugetatewodros@ gmail.com
Cite this article:
Tewodros MULUGETA, Jean-Baptiste MUHINYUZA, Reinette GOUWS-MEYER, Lerato MATSAUNYANE, Erik ANDREASSON, Erik ALEXANDERSSON .
Botanicals and plant strengtheners for potato and tomato cultivation in Africa. Journal of Integrative Agriculture, 19(2): 406-427.
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