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Nora A. Choveaux, J. van Staden, The Effect of 1-Naphthaleneacetic Acid on the Endogenous Cytokinin Content of Aseptically Cultured Bark Segments of Salix babylonica, Plant and Cell Physiology, Volume 22, Issue 7, November 1981, Pages 1207–1214, https://doi.org/10.1093/oxfordjournals.pcp.a076272
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Abstract
The formation of an undifferentiated wound callus from the cambial region of bark explants of Salix babylonica was accompanied by an increase in the endogenous cytokinin levels of the tissue during the first six days of culture. Treatment of the explants with 1-naphthaleneacetic acid decreased the level of extractable cytokinin. This decrease was not accompanied by a reduction in the cell number nor in the growth of the explants as reflected by changes in dry weight. The significance of these findings is discussed with reference to the known effects of auxin on cytokinin synthesis and degradation.