Cytokinins in the Leaves of Ginkgo biloba | Zendy

J. Van Staden | Zendy; M.J. Hutton | Zendy; Siegfried E. Drewes | Zendy

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Cytokinins in the Leaves of Ginkgo biloba

Author(s) -

J. Van Staden,

M.J. Hutton,

Siegfried E. Drewes

Publication year - 1983

Publication title -

plant physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.73.2.223

Subject(s) - ginkgo biloba , gymnosperm , zeatin , cytokinin , ginkgo , ginkgoales , botany , metabolite , biology , ginkgolides , deciduous , biochemistry , auxin , pharmacognosy , biological activity , in vitro , gene

Cytokinin conjugates of zeatin, ribosylzeatin, and their respective dihydro derivatives tentatively have been identified as the major cytokinins present in mature Ginkgo biloba L. leaves. Ribosylzeatin was present in higher levels than zeatin and dihydrozeatin. No evidence could be found that 6-(2,3,4-trihydroxy-3-methylbutylamino)purine occurs as a metabolite in the mature leaves. From the available evidence, it is concluded that cytokinin conjugates are probably the major metabolites formed in the leaves of this deciduous gymnosperm.

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