Bioscience, Biotechnology, and Biochemistry
Online ISSN : 1347-6947
Print ISSN : 0916-8451
Screening of Plant Growth Regulators Acting on Arabidopsis thaliana
Yoshihiro KATONaoto OHNISHIShigeru TAKAHASHIZheng-Yu WANGTsunenori NOZAWA
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JOURNAL FREE ACCESS

1996 Volume 60 Issue 1 Pages 34-38

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Abstract

Our screening system using Arabidopsis thaliana, enabled us to evaluate the effect of 38 known growth regulators on plant growth promotion. Eleven compounds in the study were found to show a promoting effect upon Arabidopsis dry weight and leaf number; in particular, oligosaccharides (OS) such as raffinose and stachyose had a marked effect. Detailed experiments indicated that the effect of OS on plant growth was not merely derived from its potential carbon source. Among the monosaccharides comprising stachyose, galactose showed the best promoting effect on plant growth.

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