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Regulation of Growth in Avena Stem Segments by Gibberellic Acid and Kinetin

dc.contributor.authorJones, Richard A.en_US
dc.contributor.authorKaufman, Peter B.en_US
dc.date.accessioned2010-06-01T20:52:16Z
dc.date.available2010-06-01T20:52:16Z
dc.date.issued1971-06en_US
dc.identifier.citationJONES, R. A.; KAUFMAN, P. B. (1971). "Regulation of Growth in Avena Stem Segments by Gibberellic Acid and Kinetin." Physiologia Plantarum 24(3): 491-497. <http://hdl.handle.net/2027.42/73968>en_US
dc.identifier.issn0031-9317en_US
dc.identifier.issn1399-3054en_US
dc.identifier.urihttps://hdl.handle.net/2027.42/73968
dc.description.abstractKinetin at physiological concentrations causes significant reduction of GA 3 -promoted growth in excised Avena stem segments. Kinetin is therefore considered to be a gibberellin-antagonist in this system. A Lineweaver-Burke plot reveals that kinetin acts non-competitively with GA 3 . The kinetin inhibition of GA 3 -promoted growth can be seen within 6 hours. It was found that soluble protein is markedly increased by kinetin in the tissue during the first 3 hours, thus preceding the inhibition of GA 3 -promoted growth by several hours. At the cellular level, kinetin negated the blocking effect of GA 3 on cell division in the intercalary meristem portions of these segments. In fact, kinetin promotes both lateral and longitudinal cell divisions in intercalary meristem cells.en_US
dc.format.extent6274859 bytes
dc.format.extent3109 bytes
dc.format.mimetypeapplication/pdf
dc.format.mimetypetext/plain
dc.publisherBlackwell Publishing Ltden_US
dc.rights1971 Physiologia Plantarumen_US
dc.titleRegulation of Growth in Avena Stem Segments by Gibberellic Acid and Kinetinen_US
dc.typeArticleen_US
dc.subject.hlbsecondlevelNatural Resources and Environmenten_US
dc.subject.hlbtoplevelScienceen_US
dc.description.peerreviewedPeer Revieweden_US
dc.contributor.affiliationumDepartment of Botany, University of Michigan, Ann Arbor, Michigan 48104en_US
dc.description.bitstreamurlhttp://deepblue.lib.umich.edu/bitstream/2027.42/73968/1/j.1399-3054.1971.tb03524.x.pdf
dc.identifier.doi10.1111/j.1399-3054.1971.tb03524.xen_US
dc.identifier.sourcePhysiologia Plantarumen_US
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dc.owningcollnameInterdisciplinary and Peer-Reviewed


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