Phosphobacteria Distribution in Rhizophere and Nonrhizosphere Soil of Winter Wheat

doi:10.3321/j.issn:1000-7091.2001.01.021

Abstract

Abstract: Rhizosphere and nonrhizosphere soils were sampled from winter wheat field at early growing stage.The total number and genus of the bacteria mineralizing lecithin or dissolving phosphate were measured.It was found that phosphobacteria in rhizosphere soil were higher than those in nonrhizosphere soil.However,the organic phosphobacteria were much more than inorganic phosphobacteria either in rhizosphere or nonrhizosphere soil.There were a lot of diverse genera of phosphobacteria in rhizosphere soil,but a few in nonrhizosphere soil.The main organic phosphobacteria were pseudomonas, and advantageous inorganic phosphobacteria were pseudomonas and Erwinia in rhizosphere.However,there were not any advantageous phosphobacteria in nonrhizosphere soil.

Key words: Winter wheat, Rhizosphere, Phosphobacteria

CLC Number:

S12.101

ZHAO Xiaorong, LIN Qimei, SUN Yanxin, ZHANG Youshan, WANG Youshan. Phosphobacteria Distribution in Rhizophere and Nonrhizosphere Soil of Winter Wheat[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2001, 16(1): 111-115. doi: 10.3321/j.issn:1000-7091.2001.01.021.

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