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The Study of Homegarden Agrobiodiversity, Practices of Homegardening and Its Role for In-Situ Conservation of Plant Biodiversity in Eastern Hararghe, Kombolcha Town Oromia Regional State Ethiopia

DOI: 10.4236/ojf.2018.82016, PP. 229-246

Keywords: Homegardening, Local Knowledge, Plant Biodiversity, Homegarden, Conservation

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Abstract:

Homegarden plays a vital role for the livelihood of the people living in town. Homegarden agrobiodiversity was studied to highlight homegarden frequency, types, plant species, growth form and associated indigenous knowledge. The research was conducted during January to April 2017. A total of 180 randomly selected households were included in the survey. Ethnobotanical data were collected from purposively selected 60 homegardens using observations and semi-structured interviews while markets survey was conducted through structured questionnaire for homegarden products. Data were analyzed using descriptive and inferential statistics and similarity and Shannon wiener diversity index. The results indicated that 128 (71%) of the households were practicing home gardening. The homegarden plant composition gave 78 species belonging to 35 families. The representative families and number of species under each family were founded that the family Solonaceae, and Rutaceae rank top of the list (6 species) each followed by Fabaceae and Lamiaceae (5 species each) and Asteraceae, Poaceae, Rosaceae and Brassicaceae (4 species) each. Catha edulis, Lantana camara and Ruta chalepensis had the highest frequency of species followed by the families Asteraceae, Rutaceae and Poaceae. Catha edulis, Rhammus prinoides and Ruta chalepensis were among the families found in homegardens. It can be concluded that homegrdens of Kombolcha are rich in biodiversity. The present study showed the existing status of homegardens and local knowledge contribution to the farming systems in conservation of the biological diversity. In addition, plant species providing substantial benefits and factors combined to determining homegarden diversity are documented.

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