Plant lodging and sap ascent

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• Christophe Clanet (LadHyX)
• Monday 26 October 2009, 13:00-14:00
• MR5, CMS.

If you have a question about this talk, please contact Dr Ed Brambley.

We first study the coupling between the wind and an elastic canopy and show that there is a critical speed above which the wind imposes large deformations on the elastic crop, which can lead to lodging. We discuss the physics of the transition from small to large deformations and show how it can be used to reduce lodging events.

In the second part we show that there is a universal law of capillary rise in wedges (z ~ t^1/3) and discuss its importance for the ascent of sap in tall trees.

This talk is part of the Monday Mechanics Seminars (DAMTP) series.

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