Use of NaCN to increase the growth of N2-fixing bacteria in a model spermosphere mimicked by sucrose and amino acids leached by seeds

Hiroshi Ota, Y. Esashi

研究成果: Article査読

抄録

The C2H2 reduction activity of N2-fixing bacteria isolated from river sand was examined in a simulated spermosphere in the river sand. The change in the most probable number of N2 fixers with increasing quantities of CN- roughly corresponded to that in C2H2 reduction activity. However, the most probable number of non-N2-fixing bacteria decreased except for CN--tolerant ones. It is therefore speculated that cyanide evolved from seeds during a pregermination period may suppress the growth of general bacteria, but may promote the proliferation of N2 fixers, thus contributing to the establishment of a spermosphere.

本文言語English
ページ(範囲)305-309
ページ数5
ジャーナルBiology and Fertility of Soils
22
4
出版ステータスPublished - 1996 12 1
外部発表はい

ASJC Scopus subject areas

  • 微生物学
  • 農業および作物学
  • 土壌科学

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