- By Kouassi N’dri Jacob*, Ayolié Koutoua, Boyé Mambe Auguste Denise
Abstract:
Bambara groundnut (Vigna subterranea) is one of the most promising food
legumes in Africa, due to its agronomic and nutritional potential. To
take advantage of these attributes, several research programmes
gathering agronomic and genetic data are being implemented throughout
Africa. In this context, the responses of yield and yield components to
year sowing and seedbed type were tested in a three densities (13 900
plants ha−1, 62500 plants ha−1 and 250000 plants ha−1) field experiment
using a bambara groundnut landrace with a semi-bunch growth habit. Three
years sowing: 2005, 2006 and 2007 were coupled with two seedbed types –
raised and flat. A factorial trial using a split-plot design with three
replicates was set up to analyse seed yield and plant biomass, as well
as nine yield components (Plant spread, Plant height, Number of leaves
per plant, Number of pods per plants, Number of seeds per plant, Pods
weight per plant, Pod fill ration, Seed harvest index). The seedbed type
and year of experiment did not influence significantly the marketable
yield and plant biomass (p> 0.05). This result has been attributed to
the suitability of the amount and distribution of rainfall and
temperature for the production of bambara groundnut at the target site.
Based on the trend of yield response, cultivation of landraces of
bambara groundnut characterized by a semi-bunch growth habit on flat
seedbeds was suggested in woodland savannas of Côte d’Ivoire to enhance
seeds yield and reduce labour. Get the full articles at: http://goo.gl/9L7cxk
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