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Research Journal of Biological Sciences
Year: 2012  |  Volume: 7  |  Issue: 6  |  Page No.: 244 - 249

Effect of Bio-Bacterial (Azetobacter, Azorhizobioum, Azospirilium) on Yield and Yield Components of Rice in Bandar-Anzali, North of Iran

S.N. Mohammadinejhad-Babandeh, H.R. Doroodian and H. Besharati    

Abstract: A factorial test in the framework of designing complete random blocks with 3 replications was conducted in 2011 in Bandar-Anzali (North of Iran) to study the effect of assimilating stabilizer bacteria of nitrogen (Azetobacter, Azorhizobioum and Azospirilium) on the yield and yield components of rice. Given factors of this study include Azetobacter, Azorhizobioum,Azospirilium bacterium in two levels each (with and without bacteria). Results showed that Azospirilium treatment had a meaningful effect on the weight qualifications of a thousand grains rice with 5% probability level. Reciprocal effect of Azetobacter and Azospirilium on the qualification of the grain number in a rice cluster in 1% probability level was meaningful. Reciprocal effect of Azetobacter and Azorhizobioum on the length of the stem and number of grains in the rice cluster in 5% probability level became meaningful. Reciprocal effect of Azospirilium and Azorhizobioum on the nitrogen content of the rice grain in 5% probability level was meaningful. Reciprocal effect of Azetobacter, Azospirilium and Azorhizobioum on the operation of the grain and rice harvest index in 5% probability level and on the nitrogen content of rice grain in 1% probability level became meaningful.

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