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" Frankia Symbioses "
edited by A.D.L. Akkermans, D. Baker, K. Huss-Danell, J.D. Tjepkema.
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BL
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| Record Number
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773636
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b593630
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| Main Entry
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edited by A.D.L. Akkermans, D. Baker, K. Huss-Danell, J.D. Tjepkema.
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| Title & Author
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Frankia Symbioses\ edited by A.D.L. Akkermans, D. Baker, K. Huss-Danell, J.D. Tjepkema.
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| Publication Statement
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Dordrecht : Springer Netherlands, 1984
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| Series Statement
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Developments in plant and soil sciences, 12.
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(258 pages)
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| ISBN
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9400961588
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: 940096160X
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: 9789400961586
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: 9789400961609
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| Contents
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The taxonomy of the genus Frankia --; In vitro physiological approach to classification of Frankia isolates of 'the Alnus group', based on urease, protease and?-glucosidase activities --; Physiology and chemical diversity of Frankia spp. isolated from nodules of Comptonia peregrina (L.) Coul. and Ceanothus americanus L. --; A modified sucrose fractionation procedure for the isolation of frankiae from actinorhizal root nodules and soil samples --; Heterogeneity within Frankia sp. LDAgpl studied among clones and reisolates --; Morphology, physiology and infectivity of two Frankia isolates An 1 and An 2 from root nodules of Alnus nitida --; Growth kinetics and nitrogenase induction in Frankia sp. HFPArI 3 grown in batch culture --; A comparison of cultural characteristics and infectivity of Frankia isolates from root nodules of Casuarina species --; Influence de basses températures sur la croissance et la survie de souches pures de Frankia isolées de nodules d'Aulnes --; The biosynthesis of indole-3-acetic acid by Frankia --; Identification of the endophyte of Dryas and Rubus (Rosaceae) --; Physiological studies on N2 -fixing root nodules of Datisca cannabina L. and Alnus nitida Endl. from Himalaya region in Pakistan --; Growth, nitrogen fixation and relative efficiency of nitrogenase in Alnus incana grown in different cultivation systems --; Nitrogenase activity in root nodule homogenates of Alnus incana --; Selection and micropropagation of nodulating and non-nodulating clones of Alnus crispa (Ait.) Pursh --; Seasonal variations of the sexual reproductive growth and nitrogenase activity (C2H2) in mature Alnus glutinosa --; Mycorrhizal improvement in non-leguminous nitrogen fixing associations with particular reference to Hippophaë rhamnoides L. --; Seasonal fluctuations of the mineral concentration of alder (Alnus glutinosa (L.) Gaertn.) from the field --; Growth nitrogen accumulation, and symbiotic dinitrogen fixation in pure and mixed plantings of hybrid poplar and black alder --; N2 fixation by red alder (Alnus rubra) and scotch broom (Cytisus scoparius) planted under precommercially thinned Douglas-fir (Pseudotsuga menziesii) --; Alder --; Frankia interaction and alder --; poplar association for biomass production --; Production, decomposition, and nitrogen dynamics of Myrica gale litter.
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| Abstract
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Five years have now passed since the first symposium on frankiae was held at Harvard Forest, Petersham, Massachusetts, USA and the inauguration of the term actinorhiza. Many advances have been made during these five years in our understanding of the actinorhizal symbioses. Evidence for this was provided by the papers presented at the Wageningen Workshop on Frankia symbioses, held in Wageningen at the Department of Microbiology of the Agricultural University. Most of these papers are now published in this volume of PLANT AND SOIL. We kindly acknowledge the assistance of Anton Houwers, editor of the journal, in planning, reviewing and publishing these studies. Although the papers presented at Wageningen described the active research areas, they also illuminated those aspects of these symbioses which remain beyond our understanding. Primary among the areas of our ignorance is the concept of species within the bacterial symbiont, Frankia. At present groupings of bacterial strains are based on cell chemistry, physiology, serology, DNA homology and symbiotic capa bilities (cross-inoculation). When these classification schemes are merged no clear species framework is obtained. Undoubtedly part of the difficulty is due to a lack of strains for analysis. Currently bacterial strains from only half of the actinorhizal symbioses known to exist, have been isolated and studied in pure culture. We must postpone there fore any comprehensive taxonomic classification until a larger majority of the symbioses are represented. Another research area wherein our understanding is insufficient is host-symbiont interaction.
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| Subject
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Botany.
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Forests and forestry.
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Life sciences.
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| LC Classification
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QR82.F7E358 1984
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| Added Entry
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A D L Akkermans
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D Baker
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J D Tjepkema
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K Huss-Danell
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| Parallel Title
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Proceedings of the Workshop on Frankia Symbioses, Wageningen, The Netherlands, September 5-6, 1983
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