BIOL1401- Roots & Soils

BIOL1401 Roots - RootsandSoils Outline FunctionofRoots RootDevelopment RootStructure SpecializedRoots Mycorrhizae RootNodules FunctionofRoots

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Roots and Soils
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Outline Function of Roots Root Development Root Structure Specialized Roots Mycorrhizae Root Nodules
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Function of Roots Anchor plants into soil Absorption of water and minerals Store food or water Other specialized functions
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Root Development Upon germination,  embryo’s  radicle   grows  out and develops into  first root. Radicle may develop into  thick  taproot  with  thinner  branch roots . Found mainly  dicotyledonous plants  (dicots)
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Root Development Or , after radicle formation,  adventitious roots may arise that  develop into a fibrous root system. Adventitious roots  do not develop  from another root, but instead from a  stem or leaf. Fibrous roots  - Large number of fine  roots of similar diameter ,founds in  Monocotyledonous plants (monocots)
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4 regions:  Root cap  Region of cell division Region of cell elongation Region of maturation Root Cap  Protects tissues from damage as  root grows.  Functions in 
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This document was uploaded on 10/28/2011 for the course BIOL 1401 at Texas Tech.

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BIOL1401 Roots - RootsandSoils Outline FunctionofRoots RootDevelopment RootStructure SpecializedRoots Mycorrhizae RootNodules FunctionofRoots

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