Comparison of effect of some cyto kinins and gibberellin a 3 and gibberellin a 7 on the formation of chlorophyll a and chlorophyll b on etiolated cotyledons of cucumis sativus

Corradi, M.G.

Acta Naturalia de l'Ateneo Parmense 19(3): 89-92


Accession: 005007224

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The effect of some naturally occurring cytokinins (zeatin, 2iP [6-(.alpha.,.alpha.-dimethylallylamino)-purine], 2iPA [N6-(.DELTA.2-isopentyl)adenosine], dihydrozeatin and 6-methylaminopurine), non-naturally occurring (kinetin, kinetin riboside, 6-benzylaminopurine, 6-dimethylaminopurine,6-dimethylaminopurine riboside) and gibberellins A3 and A7 was compared on the formation of chlorophylls a and b on etiolated cotyledons of C. sativus L. The cotyledons treated with cytokinins showed greater formation of both chlorophylls than that of the control; those treated with gibberellins formed less chlorophylls than the control.