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Nutritional constraints on root nodule bacteria affecting symbiotic nitrogen fixation: a review
- G. O'hara
- 3 May 2001
Root nodule bacteria require access to adequate concentrations of mineral nutrients for metabolic processes to enable their survival and growth as free-living soil saprophytes, and in their symbiotic… Expand
Inoculating legumes: a practical guide
Elizabeth Drew, David Herridge, Ross Ballard, Graham O’Hara, Rosalind Deaker, Matthew Denton, Ron Yates, Greg Gemell, Elizabeth Hartley, Lori Phillips, Nikki Seymour, John Howieson and Neil Ballard
Root-nodule bacteria from indigenous legumes in the north-west of Western Australia and their interaction with exotic legumes
Bacteria were isolated from root-nodules collected from indigenous legumes at 38 separate locations in the Gascoyne and Pilbara regions of Western Australia. Authentication of cultures resulted in 31… Expand
Effect of rhizobial strain and host plant on nitrogen isotopic fractionation in legumes.
Lotus pedunculatus L., Medicago sativa L., Macroptilium atropurpureum, Glycine max, and Trifolium repens L. were grown in a N-free medium and inoculated with one of ten Rhizobium strains. Dry matter,… Expand
Authentication of rhizobia and assessment of the legume symbiosis in controlled plant growth systems
After strains of rhizobia have been isolated from nodules (Chapter 3), and (ide¬ally) before long-term preservation (Chapter 4), the strains should be examined to ensure they retain the essential… Expand
Techniques for the selection and development of elite inoculant strains of Rhizobium leguminosarum in southern Australia
The task of matching rhizobial strains to host legumes is not a new one. However, as the price Australian farmers receive for their goods continues to decline relative to the cost of their inputs,… Expand
Iron‐deficiency specifically limits nodule development in peanut inoculated with Bradyrhizobium sp.
summary Severely iron-deficient peanuts (Arachis hypogaaea L.) grown on calcareous soils in central Thailand failed to nodulate until given foliar iron applications. Glasshouse experiments were… Expand
Cloning, characterization, and complementation of lesions causing acid sensitivity in Tn5-induced mutants of Rhizobium meliloti WSM419.
Four Tn5-induced mutants of Rhizobium meliloti WSM419 were unable to grow or maintain intracellular pH at an external pH of 5.6. Restriction analysis of DNA fragments carrying Tn5 and flanking… Expand
Calcium and acid stress interact to affect the growth of Rhizobium leguminosarum bv. trifolii
Abstract The effect of acidity on the growth and survival of six strains of Rhizobium leguminosarum bv. trifolii (WU95, NA3001, WSM409, TA1, NA3025 and NA3039) was studied. Acid conditions reduced… Expand