PJB-1989-10
Effect of sea water salinity on nodulation and nitrogen fixation in prosopis juliflora (Swartz) DC.
s. tariq
mahmood and A. mahmood
DOI:
Abstract
Fifty six day old prosopis juliflorasedlings
were subjeacted to 40, 50, 60, 70 and
80% sea water treatment for one month. After 86 days the morphology of nodules
, root-shoot ratio and total nitrogen content in root and shoot were analysed. Nodules showed morphological alterations in size and shape . root-shoot ratio was lowest in the control and
showed a gradual increase with increasing sea water concentrations. The amount of nitrogen in the stem and leaves showed a gradual decrease due to disturbance in the translocation od divalent cations to the aerial parts, while roots registered a gradual increase with increasing sea water concentrations due to accumulation of assimilated nitrogen n the rocks.
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