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    <subfield code="a">B-17020</subfield>
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    <subfield code="a">A new cytokinin from Populus x robusta</subfield>
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    <subfield code="v">PhytoChemistry, 14(4), p.1005-1008, 1975</subfield>
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    <subfield code="a">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-&#xDF;-d-ribofuranosylpurine. This cytokinin has medium activity in the soybean callus test but shows high activity in the radish leaf senescence test.</subfield>
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    <subfield code="a">6-(O-HYDROXYBENZYLAMINO)-9-?-D-RIBOFURANOSYL-PURINE</subfield>
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    <subfield code="a">CYTOKININS</subfield>
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    <subfield code="a">Horgan, R.</subfield>
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    <subfield code="a">Hewett, E.W.</subfield>
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    <subfield code="a">Horgan, J.M.</subfield>
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    <subfield code="u">https://drive.google.com/file/d/1HWOgugyhFkW1HiFpzWKlegryN6YGMtah/view?usp=drivesdk</subfield>
    <subfield code="z">Para ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx</subfield>
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    <subfield code="d">2025-06-25</subfield>
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    <subfield code="r">2025-06-25 16:02:02</subfield>
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