Acetylene reduction in gnotobiotic cultures with rhizosphere bacteria and wheat

Acetylene reduction in gnotobiotic cultures with rhizosphere bacteria and wheat

Spring-wheat plant seedlings were inoculated with various isolates of nitrogen-fixing rhizosphere bacteria, including Azospirillum brasilense, in gnotobiotic sand cultures. Bacteria which had lost their acetylene reduction activity (ARA) during purification did not regain it in the presence of the p...

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Veröffentlicht in:Plant and soil 1986-06, Vol.92 (2), p.171-180
Hauptverfasser: LINDBERG, TORBJÖRN, GRANHALL, ULF
Format: Artikel
Sprache:eng
Schlagworte:
Agronomy
Agronomy. Soil science and plant productions
Alkynes
Animal, plant and microbial ecology
Azospirillum
Bacteria
Biological and medical sciences
Biotechnology
Economic plant physiology
Fundamental and applied biological sciences. Psychology
Industrial applications and implications. Economical aspects
Inoculation
Inoculum
Memory interference
Microbial ecology
Nitrogen
Nitrogen fixation
Plants
Soil
Symbiosis (nodules, symbiotic nitrogen fixation, mycorrhiza...)
Wheat
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Zusammenfassung:Spring-wheat plant seedlings were inoculated with various isolates of nitrogen-fixing rhizosphere bacteria, including Azospirillum brasilense, in gnotobiotic sand cultures. Bacteria which had lost their acetylene reduction activity (ARA) during purification did not regain it in the presence of the plant. Bacteria with stable ARA were stimulated to low ARA (maximum 5.6 nmol C₂H₄ plant⁻¹ h⁻¹) by young (22-32-day) wheat seedlings.
ISSN:0032-079X
1573-5036
DOI:10.1007/BF02372631