Journal of Food, Agriculture and Environment
Vol 8,
Issue 3&4,2010
Online ISSN: 1459-0263
Print ISSN: 1459-0255
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Growth responses of Lupinus termis to some plant growth promoting cyanobacteria and bacteria as biofertilizers
Author(s):
Sekina T. A. Tantawy,
Nagwa M. Atef *Recieved Date: 2010-06-28, Accepted Date: 2010-11-02
Abstract:Studies were carried out on the effect of inoculation with the filtrates of Anabaena flos-aquae (A1), Nostoc muscorum (A2), bacterial suspensions of Azotobacter chroococcum (B1) and Azospirillum brasilense (B2) on growth of Lupinus termis seeds. The plant was grown on semiliquid agar media at the Botany Department, Faculty of Science, Cairo University, Giza, Egypt. In the experiments conducted in randomized block design inoculations were either individually or in combination in different treatments. All the cyanobacterial filtrates and the bacterial inoculations provoked germination and growth parameters in Lupinus termis (Giza 2). The cyanabacterial filtrates in combination with the bacterial suspensions significantly increased the average germination compared to untreated seeds by 53.13%, IAA by 211.48%, GA3 by 129.04%, cytokinin by 104.18%, Chl. a by 77.88% and Chl. b by 120.48%. The combined four treatments also increased the levels of total carbohydrates by 71.39% and total nitrogen by 16.53% as compared to the controls.
Keywords:Biofertilizer,
cyanobacteria, Azotobacter, Azospirillum, lupineJournal: Journal of Food, Agriculture and Environment
Year: 2010
Volume: 8
Issue: 3&4
Category: Environment
Pages: 1178-1183
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