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The Germicidal Efficacy and Mechanism of a Compound Chlorine Dioxide to Pathogen of Oyster Mushroom Brown Spot(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2015年03
Page:
130-134
Research Field:
Publishing date:

Info

Title:
The Germicidal Efficacy and Mechanism of a Compound Chlorine Dioxide to Pathogen of Oyster Mushroom Brown Spot
Author(s):
MA Yu-lin1; GU Na2; CHI Hui-rong3; WANG Kui-tao4
(1.School of Chemical and Pharmaceutical Engineering，Hebei University of Science and Technology，Shijiazhuang，Hebei 050018；2.School of Science，Hebei University of Science and Technology，Shijiazhuang，Hebei 050018；3.Institute of Genetics and Physiology，Hebei Academy of Agricultural Sciences,Shijiazhuang，Hebei 050050；4.Key Laboratory of Medicinal Molecular Chemistry in Hebei Province，Shijiazhuang，Hebei 050018)
Keywords:
edible mushroom; bacterial disease; brown spot; compound chlorine dioxide; sterilization
PACS:
-
DOI:
10.11937/bfyy.201503038
Abstract:
Taking oyster mushroom as test material，the bacteria strains were isolated from oyster mushroom infected by brown spot and pathogenic bacteria were indentified by artificial infection test and morphological identification.The optimum ingredient design of compound chlorine dioxide was determined by studying the bactericidal effects of bactericide with different ingredients on pathogenic bacteria of brown spot through using suspension quantitative germicidal test.At last the germicidal mechanism of compound chlorine dioxide was analyzed by the variation of micro morphology of bacterial cell determined by TEM and permeability of cell membrane indicated by soluble protein.The results showed that the killing log value of pathogen of oyster mushroom brown spot exposed to optimum compound ingredient with 5 mg/L chlorine dioxide disinfectant and 2.3 mg/L alkyl-polyglucoside(APG) could attain 5.The use of sterilization synergist APG in compound chlorine dioxide could decre-ase the dosage of chlorine dioxide thus reduce the affection to fruitbody.The damaged capacity of compound chlorine dioxide to micromorphology and inclusion of bacteria cells was more than chlorine dioxide.

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Last Update: 2015-03-03