Edible oil crops and their integration with the major cereals in North Shewa and South Welo, Central Highlands of Ethiopia: an ethnobotanical perspective.

Abstract:

:A total of 1050 sorghum (Sorghum bicolor) and tef (Eragrostis tef) fields distributed in six study sites within north Shewa and south Welo (Central Highlands of Ethiopia) were systematically surveyed to examine the status of integration of edible oil crops into the cereal-based farming system. Farmers' criteria for, and perception on, integration between edible oil crops and the major cereals at field level as well as integration between the cereal grains and the oilseeds in food making at home were studied and analyzed based on formal semi-structured interview and informal discussion with local expert farmers as key informants. Farmers' traditional space optimization technique has been instrumental in rightly fitting edible oil crops (as intercrops and border crops) into the cereal-based system. Six species of edible oil crops are integrated (70.3%) in various proportions in fields of sorghum and tef. At least one oil crop was significantly intercropped and/or border cropped in sorghum fields. Noog (Guizotia abyssinica) and sesame (Sesamum indicum) were the most important edible oil crops of the study area having strong integration with sorghum both at field and home level. On average, noog was more frequently intercropped with sorghum (8.3%) than with tef (4.5%), while it was more frequently border cropped with tef (32.4%) than with sorghum (19%). Sorghum was more frequently inter/border cropped with sesame (39/2%) than with tef (10.1/0.5%). The stronger the integration of a given oilseed with sorghum-based foods, the higher the companionship between sorghum fields and the oil crop in the landscape. This cultural practice by farmers has positive contributions to on-farm conservation of oil crops along with tef and specific sorghum landraces. The central theme of this paper therefore converges on the issue of on-farm in-situ agrobiodiversity conservation that was shaped by successive ancestral generations and passed on to the present.

journal_name

Hereditas

journal_title

Hereditas

authors

Geleta M,Asfaw Z,Bekele E,Teshome A

doi

10.1034/j.1601-5223.2002.1370105.x

subject

Has Abstract

pub_date

2002-01-01 00:00:00

pages

29-40

issue

1

eissn

0018-0661

issn

1601-5223

journal_volume

137

pub_type

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