Effects of Phytohormones on Scenedesmus quadricauda

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The literature on the effects of phytohormone on algae is clouded with contradictory reports. Reports have been published which substantiate and deny the effects of phytohormones in enhancing the growth and developmental processes in algae. The overall aim of this study was to investigate the response, if any, of the phytohormones indole-3-acetic acid (IAA), gibberellic acid A3 (GA) and kinetin on the physiology of the green alga, Scenedesmus quadricauda. Results obtained for the uptake of 14^C-IAA an(j l4C-kinetin by Scenedesmus strongly support the presumption that the alga does not absorb the hormones. The retention of the phytohormones by the alga ... continued below

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v, 71 leaves : ill.

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Alam, Mohammad Ihtisham August 1977.

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  • Alam, Mohammad Ihtisham

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The literature on the effects of phytohormone on algae is clouded with contradictory reports. Reports have been published which substantiate and deny the effects of phytohormones in enhancing the growth and developmental processes in algae. The overall aim of this study was to investigate the response, if any, of the phytohormones indole-3-acetic acid (IAA), gibberellic acid A3 (GA) and kinetin on the physiology of the green alga, Scenedesmus quadricauda. Results obtained for the uptake of 14^C-IAA an(j l4C-kinetin by Scenedesmus strongly support the presumption that the alga does not absorb the hormones. The retention of the phytohormones by the alga is due to adsorption, and is independent of hormone concentration. Most of the label was adsorbed by the outer pectic layers of the cell wall.

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v, 71 leaves : ill.

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  • August 1977

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  • Aug. 22, 2014, 6 p.m.

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  • Dec. 10, 2018, 11:31 a.m.

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Alam, Mohammad Ihtisham. Effects of Phytohormones on Scenedesmus quadricauda, dissertation, August 1977; Denton, Texas. (digital.library.unt.edu/ark:/67531/metadc331069/: accessed December 12, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .