Screening Bacterium Producing Auxin Through High Performance Liquid Chromatography (HPLC)

doi:10.3321/j.issn:1000-7091.2006.02.016

Abstract

Abstract: The anxin including GA₃ and IAA in the culture broth of 300 bacterial isolates were measured through HPLC in this study,and an isolate CX-5-2 were screend and determined to prorduce GA₃ and IAA.Simultaneously,the optimum conditions of strain CX-5-2 to produce auxin were studied through HPLC.The results from the experiment on effects of strain CX-5-2 culture broth on the groth of wheat seedlings determined that this bacterial strain has the potential ability of plant growth-promotion.

Key words: HPL, Bacterium, Auxin, GA₃, IAA

CLC Number:

LIAN Cui-fei, JIANG Ji-zhi, LI She-zeng, LU Xiu-yun, CHAO Chun-yan, MA Ping. Screening Bacterium Producing Auxin Through High Performance Liquid Chromatography (HPLC)[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2006, 21(2): 66-69. doi: 10.3321/j.issn:1000-7091.2006.02.016.

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