Opening lecture.- 1. Biological nitrogen fixation by endophytic diazotrophs in non-leguminous crops in the tropics.- Section I Biochemistry and genetics of diazotrophs.- 2. Analysis of nitrogen fixation and regulatory genes in the sugar cane endophyte Acetobacter diazotrophicus.- 3. Functional analysis of a cloned nifA homologous gene of Azospirillum brasilense Yu62.- 4. Identification of plant growth hormones produced by bacterial isolates from rice, wheat and kallar grass.- Section II Ecophysiological studies for the improvement of plant-microbe interaction.- 5. The rice endophytic diazotroph and PGPR.- 6. Effect of Azospirillum inoculation on growth and N2 fixation of maize subjected to different levels of FYM using 15N-dilution method.- 7. Contribution of non-leguminous biofertilizers to rice biomass, nitrogen fixation and fertilizer-N use efficiency under flooded soil conditions.- 8. Detection of inoculated plant growth-promoting rhizobacteria in the rhizosphere of rice.- Posters.- 9. Salt tolerance of diazotroph Alaligenes faecalis and its salt-tolerant association with host rice.- 10. Interaction of Azorhizobium caulinodans with different rice cultivars for increased N2-fixation.- 11. Response of wheat to an associative diazotroph inoculums under different rates of nitrogen fertilizer.- 12. Effects of high temperature on nitrogen fixation in soybean cultivars.- 13. Effect of plant growth regulators and Rhizobium inoculums on N2-fixation and yield of chickpea.- Section III Paranodulation and forced association of diazotrophs with non-legumes.- 14. Prospects for facilitated evolution of effective N2-fixing associations with cereals: comparative performance of Azospirillum brasilense Sp7-S with various free-living diazotrophs in para-nodulated wheat.- 15.Transgenic rice plants with Parasponia haemoglobin gene and its expression.- 16. Cell structure of pseudonodules formed on the roots of barley and rice.- Posters.- 17. Induction of paranodulation by 2,4-D, IAA and tryptophan in wheat inoculated with various diazotrophs.- 18. Optimizing zinc and phosphate statuses for enhancing field colonization and contribution of the symbiotic association Azolla-Anabaena to rice performance.- 19. Enhancement of rice performance and incidence of natural fungal and insect damage with cyanobacterization, microelements, combined nitrogen and certain pesticides.- Section IV Molecular biology of plant-diazotroph interaction.- 20. Colonization and nifH expression on rice roots by Alcaligenes faecalis A15.- 21. Responses of Azospirillum brasilense to salinity stress.- 22. Studies on the diploid indeterminate nodule-forming plant Melilotus alba Desr., white sweetclover.- Section V Molecular probes in taxonomy and ecology of diazotrophs.- 23. Isolation and identification of diazotrophic bacteria from rice, wheat and kallar grass.- Section VI Applicability and agronomic importance of associative diazotrophs.- 24. Diazotrophs associated with non-legumes grown in sandy soils.- 25. Effect of inoculation with nitrogen-fixing Klebsiella on potato yield.- 26. Responses of rice plants to inoculation with Azospirillum sp. under field conditions.- Posters.- 27. BGA technology for rice cultivation in northern India.- 28. Modified combined carbon N-deficient medium for isolation, enumeration and biomass production of diazotrophs.- 29. Contribution of integrated symbiotic and associative systems of biological nitrogen fixation to N-status of intercropped legumes and non-legumes in sandy soils of Egypt.- 30. Some physiological studies of diazotrophic bacteria associated with maize in a temperate and a tropical soil.- 31. In-vitro propagation using phytohormones produced by associative diazotrophs.- 32. Effect of inoculation of Azotobacter and PSM on fertilizer economy, plant growth and yield of winter maize.- 33. Accumulation of radionuclides by associative bacteria and the uptake of 134Cs by the inoculated barley plants.- 34. The influence of chosen fungicides on Azospirillum dinitrogen fixation in the soil.- Section VII Methodologies for assessing nitrogen fixation.- 35. Evaluation of biological nitrogen fixation associated with non-legumes.- 36. Use of 15N isotope dilution method to quantify nitrogen fixation in legumes and its potential use for non-legumes.- Section VIII Actinorhizal and cyanobacterial association.- 37. Competitivity and persistence of Frankia in a managed environment.- 38. Symbiotic association between Frankia and actinorhizal plants.- 39. Ecophysiological studies of cyanobacteria in paddy soils of Bangladesh.- 40. Cyanobacterial root nodules in Tribulus terrestris L. (Zygophyllaceae).- Posters.- 41. Use of Azolla as biofertilizer to enhance crop yield in a rice-wheat cropping system under mild climate.
