Comparison of peas nodulated with a hydrogen-uptake positive or negative Strain ofRhizobium leguminosarum
- 11 Downloads
Pea plants nodulated with a Hup+ strain ofR. leguminosarum produced a significantly lower amount of the root nodule dry mass in comparison with plants nodulated with a Hup- strain but the Nt content in this biomass was remarkably high (up to 9 %). No difference was found in the root, shoot and total plant biomass as well as in the nitrogen yield by the host plants between the two symbioses. The adoption of the potential value of dinitrogen fixation derived from acetylene reduction and dihydrogen production by the nodules resulted in a significant underestimation of the actual nitrogen yield by the Hup--nodulated plants.
KeywordsNitrogen Fixation Rhizobium Leguminosarum Total Plant Biomass Uptake Hydrogenase Dinitrogen Fixation
Unable to display preview. Download preview PDF.
- Arima Y.: Respiration and efficiency of N2 fixation by nodules formed with a H2-uptake positive strain ofRhizobium japonicum.Soil Sci.Plant Nutr.27, 115–119 (1981).Google Scholar
- Bedmar E.J., Phillips D.A.:Pisum sativum cultivar effects on hydrogen metabolism inRhizobium.Can.J.Bot.62, 1682–1686 (1984).Google Scholar
- Evans H.J., Hanus F.J., Russell S.A., Harker A.R., Lambert G.R., Dalton D.A.: Biochemical characterization, evaluation, and genetics of H2 recycling inRhizobium, pp. 3–11 inP.W. Ludden, J.E. Burris (Eds.):Nitrogen Fixation and CO2Metabolism. Elsevier Science Publishing Co., Amsterdam-Oxford 1985.Google Scholar
- Hanus F.J., Albrecht S.L., Zablotowicz R.M., Emerich D.W., Russell S.A., Evans H.J.: Yield and N content of soybean seed as influenced byRhizobium japonicum inoculants possessing the hydrogenase characteristic.Agron.J.73, 368–372 (1981).Google Scholar
- Lodha M.L., Naik M.S.: Reduction of NAD+ by uptake hydrogenase from groundnut bacteroids.Ind.J.Biochem.Biophys.21, 206–207 (1984).Google Scholar
- Maier R.J., Hanus F.J., Evans H.J.: Regulation of hydrogenase inR. japonicum.J.Bacteriol.137, 824–829 (1979).Google Scholar
- Phillips D.A., Bedmar E.J., Qualset C.O., Teuber L.R.: Host legume control ofRhizobium function, pp. 203–212 inP.W. Ludden, J.E. Burris (Eds.):Nitrogen Fixation and CO2Metabolism. Elsevier Science Publishing Co., Amsterdam-Oxford 1985.Google Scholar
- Stouthamer A.H.: Energy generation and hydrogen metabolism inRhizobium, pp. 189–197 inC. Veeger, W.E. Newton (Eds.):Advances in Nitrogen Fixation Research. Martinus Nijhoff-W. Junk Publishers, The Hague-Boston-Lancaster; PUDOC, Wageningen 1984.Google Scholar