Downloading: Cowpea (VignaUnguiculata) Fast Establishment Enhances its Potential for Food Security and Short-Term Rotations in Semi-Arid Areas in a Changing Climate
International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Open Access | Fully Refereed | Peer Reviewed International Journal

ISSN: 2319-7064


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Cowpea (VignaUnguiculata) Fast Establishment Enhances its Potential for Food Security and Short-Term Rotations in Semi-Arid Areas in a Changing Climate

Jacinta M. Kimiti

Abstract: Cowpea (Vignaunguiculata L. Walp.) is a drought resistant, multipurpose legume commonly used for food, fodder and soil fertility improvement. Cowpea and commonly cultivated multipurpose shrubs (Calliandracalothyrsus and Leucaenaleucocephala) were evaluated for their early growth establishment abilities by assessing nodulation, shoot and root biomass, root to shoot ratios and total plant biomass. The main objective of the study was to investigate how cowpea early growth compares with that of commonly grown multipurpose leguminous tree shrubs and assess the potential of the test plants for use in short term rotations in semi-arid areas. The experiment was laid down as a completely randomized block design replicated five times. Results obtained indicated that cowpea maintained higher values for all parameters measured in the test plants throughout the sampling period. For instance, cowpea accumulated highest shoot biomass of 1.2g compared to 1.08g and 1.04g accumulated by Leucaena and Calliandra, respectively. Root biomass was also highest for Cowpea 1.5g, followed by Leaucaena 1.2g and finally Calliandra. 0.9g. Cowpea root to shoot ratio was significantly (p<0.05) higher than that of Calliandra. These results indicated that cowpea could be a potential short rotation legume for cropping systems in the semi-arid areas in a changing climate.

Keywords: Biomass, Cowpea, Early growth, Nodules, Short rotations


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