Plant growth promoting activity of pseudomonads in rice crop.

Abstract

Excess use of chemical fertilizer is undesirable because (i) production of chemical fertilizer is a costly process, (ii) most of the energy is provided by consumption of non-renewable fossil fuel, (iii) considerable pollution is caused through both the production and use of mineral Nfertilizer (Mai et al., 2010; Deshwal et al., 2011a). Therefore, now a days, scientist are searching new alternative of chemical fertilizer. Biofertilizer promote plant growth and productivity has internationally been accepted as an alternative source of chemical fertilizer. Plant growth promoting rhizobacteria (PGPR) represent a wide variety of soil bacteria which actively colonize in plant root and increase plant growth by production of various plant growth hormones, P-solubilizing activity, N2 fixation and Biological activity (Deshwal et al., 2003a; 2003b; ISSN: 2319-7706 Volume 2 Number 11 (2013) pp. 152-157 http://www.ijcmas.com