A trans-zeatin riboside in root xylem sap negatively regulates adventitious root formation on cucumber hypocotyls.

@article{Kuroha2002ATR,
  title={A trans-zeatin riboside in root xylem sap negatively regulates adventitious root formation on cucumber hypocotyls.},
  author={Takeshi Kuroha and Hisashi Kato and Tadao Asami and Shinya Yoshida and Hiroshi Kamada and Shinobu Satoh},
  journal={Journal of experimental botany},
  year={2002},
  volume={53 378},
  pages={
          2193-200
        }
}
Shoot cultures of cucumber were used to analyse the roles of root-derived substances in adventitious root formation on hypocotyl tissues. Xylem sap collected from the roots of squash had a strong inhibitory effect on the formation of hypocotyl adventitious roots. Double-solvent extraction followed by fractionation with both normal and reverse phase column chromatographies and analysis by liquid chromatography/tandem mass spectrometry identified trans-zeatin riboside (ZR) as the primary… CONTINUE READING
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