Seasonal variation of auxin in stem cambial region of Pinus sihestris L.
Open Access
- 1 January 2015
- journal article
- Published by Polish Botanical Society in Acta Societatis Botanicorum Poloniae
- Vol. 47 (3) , 225-231
- https://doi.org/10.5586/asbp.1978.020
Abstract
Investigation of auxin from the stem cambial region of adult Pinus silvestris trees by diffusion to agar, and by extraction revealed both seasonal variation and gradients along the stem. Variation in dynamics of auxin efflux and the effect of the size of tissue blocks are used as arguments in the critical discussion of the concept of auxin regulation of cambial activity by way of simple seasonal concentration changes.Keywords
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