Journal of Food, Agriculture and Environment

Vol 2, Issue 1,2004
Online ISSN: 1459-0263
Print ISSN: 1459-0255

Effects of inoculation of Azospirillum sp. in maize seeds under field conditions


Osmar R. Dalla Santa 1, Carlos R. Soccol 2*, Pedro Ronzelli Junior 3, Ramona Fernández Hernández 4, Georgina L. Michelena Alvarez 4, Herta S. Dalla Santa 1,

Recieved Date: 2003-11-22, Accepted Date: 2004-01-15


Two field experiments were performed to examine the effects of inoculation of Azospirillum sp. RAM-7 and RAM-5 strains on maize Cargil-909. The treatments involved inoculation with or without different levels of nitrogen (N) and control. Simple seed inoculation with Azospirillum sp. RAM-7 strain increased yields as compared to control, but the yield difference was not significant (p<0.05). The inoculation along with high level of N resulted significantly higher yields and increase in total N and total lipids contents of the seed in comparison to the control. Increase in the yield of maize with the application of inoculant over control was recorded at N 150 kg ha-1. The inoculation of Azospirillum sp. RAM-5 in maize Cargill-909 also increased yield as compared to the control, but the difference was not significant (p<0.05). The inoculation using Azospirillum sp. RAM-7 or RAM-5 strains reduced 40% of the amount of N fertilizer recommended for each experiment (p<0.05).


Plant growth promotion, Nitrogen fixation, Inoculants, Azospirillum, Zea mays

Journal: Journal of Food, Agriculture and Environment
Year: 2004
Volume: 2
Issue: 1
Category: Agriculture
Pages: 238-242

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