Welcome to Chinese Agricultural Science Bulletin,

Chinese Agricultural Science Bulletin ›› 2014, Vol. 30 ›› Issue (1): 307-311.doi: 10.11924/j.issn.1000-6850.2013-0565

Special Issue: 生物技术

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Study on Fermentation Medium Optimization of Metribuzin Degrading Bacteria N1

  

  • Received:2013-03-04 Revised:2013-03-13 Online:2014-01-05 Published:2014-01-05

Abstract: 旨在研究嗪草酮高效降解菌N1菌株的培养基最优组成配方,为降解菌提供最优发酵条件,从而为降解菌扩大生产提供理论依据。应用正交试验设计对培养基组分进行优化。结果表明,单因素试验中最优碳源和氮源分别为蔗糖和酵母粉,最优添加量为0.3%和0.1%。对降解菌生长有促进作用的无机盐有K2HPO4、NaCl、KH2PO4、MgSO4·7H2O。嗪草酮高效降解菌N1的最佳发酵培养基组成为:pH 7.0,K2HPO4 0.15%,蔗糖0.3%,酵母粉0.15%,NaCl 0.1%,KH2PO4 0.05%,MgSO4·7H2O 0.04%。