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Table 1 Crop species grown by smallholder farmers in selected sites of Eastern Kenya and their relative densities

From: Agrobiodiversity conservation enhances food security in subsistence-based farming systems of Eastern Kenya

Crop species Botanical name Type of crop and its use by farmers Relative density (%)
Maize Zea mays L. Cereal, subsistence and commercial 6.3
Common bean Phaseolus vulgaris L. Grain legume subsistence and commercial 5.8
Sugarcane Saccharum officinarum L. Sugar crop, subsistence and commercial 5.1
Kale Brassica oleracea L. var. acephala Leafy vegetable, subsistence and commercial 5
Soya bean Glycine max (L.) Merr. Oil-seed legume, subsistence and commercial 4.9
Banana Musa acuminata L. Fruit, subsistence and commercial 4.7
Cowpea Vigna unguiculata (L.) Walp. Grain legume, vegetable, subsistence and commercial 4.5
Macadamia Macadamia integrifolia Maiden and Betche Nut, commercial 4.2
Onions Allium cepa L. Root–bulb vegetable, subsistence and commercial 4.1
Tomato Solanum lycopersicum L. Vegetable, subsistence and commercial 4.0
Cassava Manihot esculenta (L.) Crantz Root–tuber, subsistence and commercial 3.7
Cabbage Brassica oleracea L. var. capitata Leafy vegetable, subsistence 3.3
Arabica coffee Coffea arabica L. Beverage crop, commercial 3.3
Spinach Spinacia oleracea L. Leafy vegetable, subsistence 3.2
African nightshade Solanum nigrum L. Indigenous food vegetables, subsistence 2.9
Amaranth Amaranthus dubius L. Indigenous food vegetables, subsistence 2.6
Ruiru 11 coffee Coffea arabica L. Beverage crop, commercial 2.5
Green tea Camellia sinensis (L.) Kuntze Beverage crop, commercial 2.5
Robusta coffee Coffea robusta L. Beverage crop, commercial 2.3
Pigeon pea Cajanus cajan (L.) Mill Grain legume, subsistence and commercial 2.2
Irish potato Solanum tuberosum L. Root-tuber, subsistence and commercial 2.2
Sweet potato Ipomoea batatas (L.) Lam. Root–tuber, subsistence and commercial 2.2
Carrot Daucus carota L. Root–tuber vegetable, subsistence and commercial 1.8
Pawpaw Carica papaya L. Fruit, subsistence and commercial 1.8
Pumpkin Cucurbita pepo L. Indigenous vegetable, subsistence and commercial 1.8
Passion fruit Passiflora edulis Sims Fruit, subsistence and commercial 1.7
Yam Dioscorea villosa L. Root–tuber, subsistence and commercial 1.6
Avocado Persea americana L. Fruit, subsistence and commercial 1.6
Sorghum Sorghum bicolor L. Cereal, subsistence and commercial 1.4
Mango Mangifera indica L. Fruit, subsistence and commercial 1.3
Miraa (Khat) Catha edulis (Vahl) Forssk. Ex Endl. Commerciala 1.2
Green gram Vigna radiata (L.) R. Wilczek Grain legume, subsistence and commercial 1.0
Arrow root Maranta arundinacea L. Root–tuber, subsistence and commercial 0.9
Finger millet Eleusine coracana (L.) Gaertn. Cereal, subsistence and commercial 0.5
Purple tea Camellia sinensis L. Beverage crop, commercial 0.5
Groundnut Arachis hypogaea L. Protein oil-seed crop, subsistence and commercial 0.4
Orange Citrus sinensis L. Citrus fruit, subsistence and commercial 0.3
Guava Psidium guajava L. Fruit, subsistence and commercial 0.2
Khat (Muguka) Catha edulis (Vahl) Forssk. Ex Endl. Commerciala 0.2
  1. aConsidered as a drug in some countries
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