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•  Homegardens are diverse intercropped agroforestry systems
(Fig. 1).
Value of Plants in Ugandan Homegardens
Results of h...
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Value of plants in Ugandan homegardens

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Talk delivered in 2015 for the annual meeting of the Botanical Society of America 'Science and Plants for People'. The talk outlines the results of 102 homegarden inventories and participatory ethnobotany investigations in Southwestern Uganda.

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Value of plants in Ugandan homegardens

  1. 1. •  Homegardens are diverse intercropped agroforestry systems (Fig. 1). Value of Plants in Ugandan Homegardens Results of homegardens inventories and participatory ethnobotany investigations C. W. Whitney1,2,*, J. Bahati3, J. Gebauer1 1 Rhine-Waal University of Applied Sciences, Kleve, Germany; 2 University Kassel, Witzenhausen, Germany; 3 Makerere University, Kampala, Uganda *contact: cory.whitney@hsrw.eu Introduction Materials & Methods Research Aims •  Determine the extent, composition and function of uses of homegarden plants in the region Keywords: Ethnobotany, Uganda, Agro-ecology, Homegarden, Biodiversity •  Collaborative explorations 2014 - 2015: agro-biodiversity & ethnobotany in highland homegardens of SW Uganda •  N=102 farmers in the Greater Bushenyi region (Fig. 3) •  Agro-ecological importance measured with the Summed Dominance Ration (SDR). •  393 plant species and varieties •  4,570 use reports (UR) Phaseolus vulgaris L. Figure 2. Greater Bushenyi Region of Uganda; D-Maps (INPI 09 3 673 169), developed in QGIS 2.0.1- Dufour Results Musa (AAA-EA) Passiflora edulis Sims. Image: G. Fabri Draceana fragrans (L.) Ker Gawl. Persea americana Mill. Image: S. Rodriguez Mangifera indica L. Persea americana Mill. Psidium guajava L. Mangifera indica L. Artocarpus heterophyllus Lam. Carica papaya L. Ananas comosus (L.) Merr. Eriobotrya japonica (Thunb.) Lindl. Eucalyptus grandis W. Hill ex Maiden Coffea canephora Pierre ex A. Froehner Solanum aethiopicum L. Solanum anguivi Lam. Draceana fragrans (L.) Ker Gawl. Coffea arabica L. Musa (AAA-EAHB Group) Musa (AB Group) Musa (AAA Group) Musa (AAB Group) Xanthosoma sagittifolium (L.) Schott Saccharum officinarum L. Manihot esculenta Crantz Physalis peruviana L. Capsicum frutescens L. Passiflora edulis Sims. Phaseolus vulgaris L. Cucurbita pepo L. Amaranthus hybridus L. Ipomoea batatas (L.) Lam Zea mays L. Solanum lycopersicum L. Eleusine coracana Gaertn. Amaranthus dubius Mart. ex. Thell 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 -5 0 5 10 15 20 25 30 35 Figure 5. 31 plants with Ci above 0.5 (x axis and bubble size =Ci index) Images in right column: C. Nakaketo unless noted Ciindexscore(UR/N) Use Reports (UR) Figure 1. Typical multilayered tropical homegarden structure with a diversity of edible species (Adapted from: Ninez, Household gardens and small-scale food production. Food and nutrition Bulletin 7:3) •  Little is known about the highland homegardens of the Ugandan Southwest. This study aimed to fill this gap. •  Quantitative ethnobotany indices use report (UR) and cultural importance index, (UR/N). Figure 3. Ethnobotanical importance of 14 use categories for 4,570 use reports (UR) (c) Figure 4. (a-b) abundance of Musa (AAA) at market (b) bushenyi farmer with Amaranthus spp. (a) (b) 0 500 1000 1500 2000 2500 Eating/drinking Healing/medicinal and spiritual purposes Sold/bartered Various technical uses from holding soil in place to building, lashing, basketry etc. Ornamental and aesthetic purposes Making fences, living or built Made into firewood and charcoal Used for timber Used for Shade, shelter, and wind protection Animal Feed Shared/bartered with local community Hygienic e.g. cleaning & washing Soil nutrition Used as a pesticide to deter and or kill pests 0.400 0.500 0.600 0.700 0.800 0.900 1.000 1.100 1.200 1.300 1.400 -0.400 0.100 0.600 1.100 1.600 2.100 Ciindex Summed Dominance Ration (SDR) Figure 5. Scatterplot of Ci index scores and Summed Dominance Ration (SDR) Pearson product-moment correlation r=0.17 (p<0.05) Acknowledgements This project (031A247B) was financially supported by the Federal Ministry of Education and Research (BMBF) within the collaborative research project GlobE-RELOAD. The work was undertaken with the support of the Ugandan National Science foundation (Registration number: A 477), the office of the President and the approval of the local Regional District Coordinators and Chief Administrative Officers of Bushenyi, Rubirizi, and Sheema.

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