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Chapter 7 Roots (Other Types of Roots and Root Modifications (Mycorrhizae,…
Chapter 7 Roots
Other Types of Roots and Root Modifications
Contractile Roots
Oxalis, Gladiolus, Crinum
More common than generally appreciated
Mycorrhizae
Ectomycorrhizal Relationship
Endomycorrhizal Association
Aerial Roots of Orchids
Epiphytic
Root Epidermis
Root Nodules and Nitrogen Fixation
Conversion of atmospheric nitrogen
Infection Thread
Plant cell cytoplasm
Prop Roots
Nutrients and water to the stem
Buttress Roots
Haustorial Roots of Parasitic Flowering Plants
Parasitic plants highly modified
Tristerix
Storage Root
Long-term storage for carbohydrates
Survival of storage parenchyma cells
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Roots of Strangler Figs
Internal Structure of Roots
Zone of Elongation
Zone of Maturation/Root Hair Zone
Endodermis
Casparian Strips
Pericycle
Root Apical Meristem
Regions of Mature Root Tissues
Quiescent Center
Mature Portions of the Root
Passage Cells
Root Pressure
Root Cap
Origin and Development of Lateral Roots
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Cell Divisions In The Pericycle
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Densely Cytoplasmic with Smaller Vacuoles
External Structure of Roots
Organization of Root Systems
Lateral Roots
Radicle
Fibrous Root System
Adventitious Roots
Structure of Individual Roots
Root Cap
Zone of Elongation
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Root Hair Zone
