|Table of Contents|

Screening and Identification of High Efficient Phosphate-solubilizing Bacteria From Vermicompost

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2020年24
Page:
76-81
Research Field:
Publishing date:

Info

Title:
Screening and Identification of High Efficient Phosphate-solubilizing Bacteria From Vermicompost
Author(s):
LI Hui1; PANG Jianzhou2; WEI Shuzhen1; WANG Qian3; CUI Enxi3; ZHANG Zhuchen3
(1.Centre for Wetland Conservation and Research,University of Hengshui,Hengshui,Hebei 053000;2.Institute of Dry Farming,Hebei Academy of Agriculture and Forestry Sciences,Hengshui,Hebei 053000;3.Department of Biology,University of Hengshui,Hengshui,Hebei 053000)
Keywords:
phosphate-solubilizing bacteria; identification; soluble phosphorus; phosphate solubilizing power
PACS:
-
DOI:
10.11937/bfyy.20200631
Abstract:
The earthworm manure was used as the material in this study.Seven strains of phosphate bacteria LH01,LH02,LH03,LH04,LH05,LH06,and LH07 were isolated and screened by selective medium primary screening and molybdenum-antimony anticolorimetry.Among them, the LH05 bacteria had the strongest ability to dissolve phosphorus, and the ratio of the inner and outer diameters of the phosphate ring was 2.26.According to the results of morphological characteristics,physiological and biochemical identification and 16S rDNA homology analysis,the bacterium was preliminarily identified as Bacillus pumilus.The results showed that orthogonal experiment,optimum conditions of phosphorus removal of LH05 were 9% inoculum amount,35 ℃ culture temperature,initial pH 6.5 and 96.69 mg?L-1 dissoluble phosphorus content.Which provided stable and high-efficient bacteria and theoretical basis for further development of high-efficiency phosphorus removal bacteria.

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Last Update: 2021-03-29