Interaction ofrhizobiumandmeloidogyne incognitaon symbiotic nitrogen fixation in mungbean under different concentrations of iron

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Abstract
Effects of the interaction of Rhizobium and the nematode Meloidogyne incognita were studied on N2 fixation and translocation of Fe in the shoots of mungbean (Vigna radiata L.) cv. ML‐267 grown in pots containing steam‐sterilized river sand supplied with different concentrations of Fe. Rhizobium. along with 20 ppm concentration of Fe enhanced the number and dry weight of nodules, nitrogenase activity of nodules and total N‐uptake, whereas 30 ppm concentration of Fe had an adverse effect on all these characters. M. incognita infection reduced all the growth characteristics, as well as translocation of Fe in the shoots of nodulated and non‐nodulated plants.