The bark side of the force

Monday, August 6, 2018 - 11:00 in Biology & Nature

What forces enable trees to stand upright? To grow straight, plants need a motor system that controls their posture by generating forces to offset gravity. Scientists have long thought that this motor force was controlled only by the internal forces induced in wood. In a new study, scientists show that bark is also involved in the generation of mechanical stresses in several tree species.

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