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Initiation and growth of leaf primordia in the apices of pea explants: an analysis of sensitivity to phytohormone treatments



Initiation and growth of leaf primordia in the apices of pea explants: an analysis of sensitivity to phytohormone treatments



Russian Journal of Plant Physiology 42(2): 152-162



The combined action of GA3 and kinetin on the initiation and growth of leaf primordia in cultured pea Ul'yanovskii-68 shoot apices was studied. Adequate polynomial equations describing the apex response to growth regulators were obtained by regression analysis. Relatively rapid growth was observed at 10-6-10-4 M GA3. Kinetin promoted apex growth only in combination with GA3. The highest growth rate of the 9th primordium was observed at 10-5 M GA3 and 10-8 M kinetin during the plastochron.

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Accession: 002641153

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