Domestication of senna obtusifolia, an important leafy vegetable for the Sahel

Pasternak, D and Woltering, L and Nikiema, A and Senbeto, D and Fatondji, D and Ndjeunga, J (2007) Domestication of senna obtusifolia, an important leafy vegetable for the Sahel. In: Proceedings of the Ist International Conference on Indigenous Vegetables and Legumes. Prospectus for Fighting Poverty, Hunger and Malnutrition , 12-15 December 2006, Hyderabad, Andhra pradesh, India.

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Senna obtusifolia (syn. Cassia obtusifolia) is a herbaceous plant, grows in the Sahelian and the Sudano regions of sub-Saharan Africa and regarded as one of the leading indigenous leafy vegetables of the Sahel. In 2006, two sets of trials were carried out at the Sadore station of ICRISAT in order to evaluate the potential of S. obtusifolia as a new rain-fed crop for the Sahel. The high density planting (0.5 x 0.5 m) gave significantly higher leaf, seeds and stems yields (1, 1 and 2.5 t/ha respectively) on a dry matter basis than the lower density treatments. S. obtusifolia can provide food to the rural population during August and September at a time that grain reserves from the previous year harvest have been exhausted. S. obtusifolia is high in protein, fibers, and minerals. S. obtusifolia gave high leaf yield (1 t/ha dry weight) when planted as an intercrop in young Acacia Senegal plantations both on sandy and on degraded lateritic soils but a very low leaf yield (100 kg/ha) when planted in a mature A. Senegal plantation. S. obtusifolia has a good potential to serve as a new important field crop for the Sahel

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Yield, planting density, nutritional value, intercropping, Acacia senegal, Cassia obtusifolia
Subjects: Others
Depositing User: Ms K Syamalamba
Date Deposited: 17 Jan 2012 13:21
Last Modified: 14 Sep 2013 12:26
Acknowledgement: UNSPECIFIED
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