Plant Anatomy An Applied Approach (Lecture ppt) Ch04_TheRoot

Plant Anatomy An Applied Approach (Lecture ppt)...

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    Ch. 4 Ch. 4 The root
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Introduction roots are the first organs to emerge from the seed primary roots ecological adaptation identification organ Epidermis, cortex, endodermis, pericycle, vascular system p. 48 http://media-2.web.britannica.com/eb- media/05/5605-004-CFE4B012.gif vascular system
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Epidermis rhizodermis (root epidermis) root hairs p. 271 in soil: near growing apex develop from the rhizodermis arise centrally from the cell, occasionally near one end bases are level or bulbous and protrude or sunken with other epidermal cells exodermis p. 254 particularly in monocots p. 48-49 p. 50, Fig.4.1C
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or c hi d orchid root cortex rhizodermis velamen endodermis exodermis hypodermis Velamen- multiple epidermis Aerial roots of epiphytes (e.g. orchids) and aroids p. 49, 279 p. 50, Fig.4.1
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assist in identification ecological significance basic types solid in well-drained soil
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Plant Anatomy An Applied Approach (Lecture ppt)...

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