Mechanical Inhibition of Hypocotyl Elongation Induces Radial Enlargement
Open Access
- 1 December 1975
- journal article
- Published by Oxford University Press (OUP) in Plant Physiology
- Vol. 56 (6) , 845-846
- https://doi.org/10.1104/pp.56.6.845
Abstract
Excised elongating segments from 3-day-old soybean (Glycine max var. Wayne) seedlings radially enlarged when auxin-promoted elongation was mechanically inhibited. Growth was similar to segments treated with auxin plus cytokinin. This observation suggests that cytokinin does not necessarily directly “reorient” cell enlargement. Cytokinin-induced radial cell growth may be a secondary effect of cytokinin's inhibition of auxin-promoted elongation.Keywords
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