Dual effect of cytokinene on root-nodule bacteria and their host legumes, in relation to their symbiosis

ABSTRACT

The stimulatory effect of cytokinene was also reflected on the growth parameters of the legume plants, measured by the length of roots and stems and dry weight of shoots. This effect was most intensive at the combined treatment of with specific rhizobia. The bioassay test using barley as test plant, also revealed that cytokinene extracted from liquid culture media, of different species of rhizobia, had a positive effect on the retension of chlorophyll by the first leaves of test plant. Rhizobium, leguminosarum was the most effective strain in this respect