These are distributed differently in roots and stems. In the root, the xylem forms a central column. It forms a solid support. The phloem is towards the centre, outside the xylem. Any green part of a ...

With our sustained high summer temperatures plants need a continuous source of water. Water moves from the soil into and throughout a plant delivering water and nutrients via a pipe-like vascular ...

This is a preview. Log in through your library . Abstract The secondary phloem of pecan is segmented by narrow rays into radial sectors of varying width. Irregular bands of fibers alternate with ...

1. A root–shoot model of partitioning during vegetative plant growth is described, which simulates the transport of water, labile nitrogen (N) and labile carbon (C) through the xylem and phloem, and ...

Asymmetrically transported auxin-efflux carriers cause a polarized flow of auxin, which leads to the formation of continuous columns of procambial cells. In addition, one or more ...