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  <titleInfo>
    <title>A new cytokinin from Populus x robusta</title>
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  <name type="personal">
    <namePart>Horgan, R.</namePart>
  </name>
  <name type="personal">
    <namePart>Hewett, E.W.</namePart>
  </name>
  <name type="personal">
    <namePart>Horgan, J.M.</namePart>
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  <name type="personal">
    <namePart>Purse, J.</namePart>
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  <name type="personal">
    <namePart>Wareing, P.F.</namePart>
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  <abstract>A new cytokinin was isolated from mature leaves of poplar. Its structure was determined by UV and MS and confirmed by synthesis as 9-(o-hydroxybenzylamino)-9-ß-d-ribofuranosylpurine. This cytokinin has medium activity in the soybean callus test but shows high activity in the radish leaf senescence test.</abstract>
  <subject>
    <topic>6-(O-HYDROXYBENZYLAMINO)-9-?-D-RIBOFURANOSYL-PURINE</topic>
  </subject>
  <subject>
    <topic>CYTOKININS</topic>
  </subject>
  <subject>
    <topic>GC-MS</topic>
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  <relatedItem type="series">
    <titleInfo>
      <title>PhytoChemistry, 14(4), p.1005-1008, 1975</title>
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