Diazotrophic bacteria convert atmospheric nitrogen to plant-useable form and this input of nitrogen through biological fixation is of great agronomic importance. The contributions presented in this volume relate to free-living nitrogen fixers and the diazotrophs associated with plants. Symbiotic association of Frankia with non-legumes and cyanobacterial associations are also discussed. Research topics covered in this volume include the biochemistry and genetics of diazotrophs, recent developments in improvement of plant-microbe interactions and their molecular basis, the use of molecular probes in taxonomy and ecology of diazotrophs and reports on field applications, agronomic importance and improvement in methodologies for assessing their contribution to plants. This book provides valuable information not only for researchers working in the field of biological nitrogen fixation but also for biochemistry, molecular biologists, microbiologists and agronomists.
1. Biological Nitrogen Fixation by Endophytic Diazotrophs in Non Leguminous Crops in the Tropics; J. Dobereiner, V.L.D. Baldani. Session 1: Biochemistry and Genetics of Diazotrophs. 2. Analysis of Nitrogen Fixation and Regulatory Genes in the Sugarcane Endophyte Acetobacter diazotrophicus; S. Lee, et al. 3. Functional Analysis of a Cloned NIFA Homologous Gene of Azospirillum brasilense YU62; Gui Su, et al. 4. Identification of Plant Growth Hormones Produced by Bacterial Isolates from Rice, Wheat and Kallar Grass; G. Rasul, et al. Session 2: Ecophysiological Studies for the Improvement of Plant--Microbe Interaction. 5. The Rice Endophytic Diazotroph and PGPR; W. Song, et al. 6. Response of Two Maize Cultivars to Azospirillum Inoculation and/or Farmyard Manure Amendment Using 15N-Dilution Method; T.M.M. Moharram, et al. 7. Contribution of Non-Leguminous Biofertilizers to Rice Biomass, Nitrogen Fixation and Fertilizer-N Use Efficiency under Flooded Conditions; S. Ali, et al. 8. Detection of Inoculated Plant Growth Promoting Rhizobacteria in the Rhizosphere of Rice; S. Mehnaz, et al. Posters. 9. Salt Tolerance of Diazotroph Alaligenes faecalis and its Salt-Tolerant Association with Host Rice; S.Z. Ping, et L. 10. Interaction of Azorhizobium caulinodans with Different Rice Cultivars for Increased N2-Fixation; S.N. Khokhar, A. Qureshi. 11. Response of Wheat to an Associative Diazotroph Inoculum Under Different Rates of Nitrogen Fertilizer; A. Rashid, et al. 12. Effect of High Temperature on Nitrogen Fixation in Soybean Cultivars; M.I. Keerio, J.M. Wilson. 13. Effect of Plant Growth Regulators and Rhizobium Inoculum On N2- Fixation and Yield of Chickpea; F. Zarrin, et al. Session 3: Paranodulation and Forced Association of Diazotrophs with Non-Legumes. 14. Prospects for Facilitated Evolution of Effective N-Fixing Associations with Cereals: Comparative Performance of Azospirillum brasilense SP7-S with Various Free-Living Diazotrophs in Para-Nodulated Wheat; I.R. Kennedy, et al. 15. Transgenic Rice Plants with Parasponia Hemoglobin Gene and its Expression; Wei Guo, et al. 16. Cell Structures of Pseudonodules Formed on the Roots of Barley and Rice; Shan Xueqin, Jing Yuxiang. Posters. 17. Induction of Paranodulation by 2,4-D IAA and Tryptophan in Wheat Inoculated with Various Diazotrophs; H. Youssef, et al. 18. Optimizing Zinc and Phosphate Statuses for Enhancing Field Colonization and Contribution of the Symbiotic Association Azolla-anabaena to Rice Performance; Y.G. Yanni. 19. Enhancement of Rice Performance and Incidence of Natural Fungal and Insect Damage with Cyanobacterization, Microelements, Combined Nitrogen and Certain Pesticide; Y.G. Yanni, et al. Session 4: Molecular Biology of Plant--Diazotroph Interaction. 20. Colonisation and NIFH Expression on Rice Roots by Alcaligenes faecalis A15; H. Vermeiren, et al. 21. Responses to Azospirillum brasilense to Salinity Stress; A.K. Tripathi, B.M. Mishra. (Part contents).
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