Secondary Growth of Tree Roots: Cytoskeletal Perspectives

Authored by: Nigel Chaffey

Plant Roots

Print publication date:  April  2013
Online publication date:  April  2013

Print ISBN: 9781439846483
eBook ISBN: 9781439846490
Adobe ISBN:


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The primary apical meristems of the root and shoot produce the cells and tissue systems of the primary plant body, such as the epidermis, cortex, and primary vascular tissues, and give rise to elongation growth or extension of the relevant plant part (Evert and Eichhorn 2006). Secondary growth (synonymous with secondary thickening) is the province of the two laterally situated secondary meristems, the vascular cambium (herein simply referred to as the cambium) and the cork cambium, and results in increase in girth of the organ (Evert and Eichhorn 2006). Products of the vascular and cork cambia together constitute the secondary plant body—secondary xylem and secondary phloem—and periderm, respectively (Evert and Eichhorn 2006).

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