Effects of rhizobium inoculation supplemented with phosphorus and potassium on growth and chlorophyll contents of climbing beans (Phaseolus vulgaris L.) varieties grown in Northern Tanzania (original) (raw)

2015

Abstract

n experiment was conducted in Northern Tanzania in two stations: Lyamungu Research Centre, Moshi and in a green house at Nelson Mandela African Institution of Science and Technology, Tengeru, Arusha, Tanzania. The experiment was laid down in a factorial arrangement. Factor 1 comprised of three climbing bean varieties: Cheupe, Selian 2005 and Selian 2006. Factor 2 were two inoculation treatments viz [a] inoculation with Rhizobium spp. and [b] without inoculation. Factor 3 included four fertiliser levels [0 kg K/ha, 20 kg K/ha , 30 kg P/ha and 20 kg K/ha + 30 kg P/ha]. The experiment was replicated four times and the growth parameters measured were plant height, number of leaves per plant and plant diameter. Chlorophyll content was extracted using dimethylsulphoxide [DMSO] and the absorbance determined at 645nm and 663nm by using UV/Visible spectrophotometer. The results showed that plant height, number of leaves per plant and plant diameter increased significantly [P < 0.001, P &l...

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