Nitrogen Fixation with Non-Legumes: Proceedings of the 7th International Symposium on Nitrogen Fixation with Non-Legumes, held 16–21 October 1996 in Faisalabad, Pakistan

Front Matter....Pages i-xxii
Front Matter....Pages 1-1
Biological nitrogen fixation by endophytic diazotrophs in non-leguminous crops in the tropics....Pages 3-7
Front Matter....Pages 9-9
Analysis of nitrogen fixation and regulatory genes in the sugar cane endophyte Acetobacter diazotrophicus ....Pages 11-19
Functional analysis of a cloned nifA homologous gene of Azospirillum brasilense Yu62....Pages 21-24
Identification of plant growth hormones produced by bacterial isolates from rice, wheat and kallar grass....Pages 25-37
Front Matter....Pages 39-39
The rice endophytic diazotroph and PGPR....Pages 41-48
Effect of Azospirillum inoculation on growth and N 2 fixation of maize subjected to different levels of FYM using 15 N-dilution method....Pages 49-59
Contribution of non-leguminous biofertilizers to rice biomass, nitrogen fixation and fertilizer-N use efficiency under flooded soil conditions....Pages 61-73
Detection of inoculated plant growth-promoting rhizobacteria in the rhizosphere of rice....Pages 75-83
Salt tolerance of diazotroph Alaligenes faecalis and its salt-tolerant association with host rice....Pages 87-89
Interaction of Azorhizobium caulinodans with different rice cultivars for increased N 2 -fixation....Pages 91-93
Response of wheat to an associative diazotroph inoculum under different rates of nitrogen fertilizer....Pages 95-97
Effects of high temperature on nitrogen fixation in soybean cultivars....Pages 99-102
Effect of plant growth regulators and Rhizobium inoculum on N 2 -fixation and yield of chickpea....Pages 103-106
Front Matter....Pages 107-107
Prospects for facilitated evolution of effective N 2 -fixing associations with cereals: comparative performance of Azospirillum brasilense Sp7-S with various free-living diazotrophs in para -nodulated wheat....Pages 109-124
Transgenic rice plants with Parasponia haemoglobin gene and its expression....Pages 125-131
Cell structure of pseudonodules formed on the roots of barley and rice....Pages 133-142
Induction of paranodulation by 2,4-D, IAA and tryptophan in wheat inoculated with various diazotrophs....Pages 145-150
Optimizing zinc and phosphate statuses for enhancing field colonization and contribution of the symbiotic association Azolla—Anabaena to rice performance....Pages 151-157
Enhancement of rice performance and incidence of natural fungal and insect damage with cyanobacterization, microelements, combined nitrogen and certain pesticides....Pages 159-164
Front Matter....Pages 165-165
Colonization and nifH expression on rice roots by Alcaligenes faecalis A15....Pages 167-177
Front Matter....Pages 165-165
Responses of Azospirillum brasilense to salinity stress....Pages 179-185
Studies on the diploid indeterminate nodule-forming plant Melilotus alba Desr., white sweetclover....Pages 187-194
Front Matter....Pages 195-195
Isolation and identification of diazotrophic bacteria from rice, wheat and kallar grass....Pages 197-205
Front Matter....Pages 207-207
Diazotrophs associated with non-legumes grown in sandy soils....Pages 209-222
Effect of inoculation with nitrogen-fixing Klebsiella on potato yield....Pages 223-235
Responses of rice plants to inoculation with Azospirillum sp. under field conditions....Pages 237-240
BGA technology for rice cultivation in northern India....Pages 243-245
Modified combined carbon N-deficient medium for isolation, enumeration and biomass production of diazotrophs....Pages 247-253
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....Pages 255-260
Some physiological studies of diazotrophic bacteria associated with maize in a temperate and a tropical soil....Pages 261-264
 In-vitro propagation using phytohormones produced by associative diazotrophs....Pages 265-269
Effect of inoculation of Azotobacter and PSM on fertilizer economy, plant growth and yield of winter maize....Pages 271-273
Accumulation of radionuclides by associative bacteria and the uptake of 134 Cs by the inoculated barley plants....Pages 275-280
The influence of chosen fungicides on Azospirillum dinitrogen fixation in the soil....Pages 281-284
Front Matter....Pages 285-285
Evaluation of biological nitrogen fixation associated with non-legumes....Pages 287-305
Use of 15 N isotope dilution method to quantify nitrogen fixation in legumes and its potential use for non-legumes....Pages 307-312
Front Matter....Pages 313-313
Competitivity and persistence of Frankia in a managed environment....Pages 315-326
Symbiotic association between Frankia and actinorhizal plants....Pages 327-331
Ecophysiological studies of cyanobacteria in paddy soils of Bangladesh....Pages 333-344
Cyanobacterial root nodules in Tribulus terrestris L. (Zygophyllaceae)....Pages 345-350
Front Matter....Pages 313-313
Use of Azolla as biofertilizer to enhance crop yield in a rice—wheat cropping system under mild climate....Pages 353-357
Back Matter....Pages 359-362