Abstract
The symbiosis of chickpea-mesorhizobia is often affected by various constraints abiotic in particular the salinity and phosphate deficiency. Thirty six of native rhizobial strains from southern Morocco were studied. The results showed that most of isolated rhizobia have capacity solubilize inorganic phosphate (TCP) in the PVK and NBRIP medium. By comparing the halo zone of these strains, it was observed that mesorhizobia has strong PS activity and therefore classified as PSB. Only one strain MC0415 have capacity to solubilize inorganic and organic (pNPP), whereas 1.66% of the strains were able to survive under conditions of strong salinity (520mM). This work determined the percentage of mesorhizobia isolated having capacity to survive in conditions of phosphate deficiency, salinity and pH
Published Version
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