Transcript Cotton Anatomy[1].

Gossypium spp.
Cotton Anatomy
Jake Delheimer
IB 423
Portfolio Project
The Basics
• Dicot
• Taproot with many
branch roots
• Average 6 to 8
flowers per branch
http://encarta.msn.com/media_681500044/Cotton_Field_Uzbekistan.html
Cotton in History
http://encarta.msn.com/media_461530270/American_Cotton_Plantation.html
• Found in the Indus
River Valley around
3000 BC
• Major Use Began in
India around 1500 BC
• Brought to the New
World by Europeans,
main product of
Southern Agriculture
in early 19th Century
Economics and Cotton
• Produced all over the
world
• In 1998, the United
States produced
13.23 million bales
• Texas produced just
over 3 million of these
bales
• Cotton Bowl played in
Texas every year
The Tour
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Roots
Stems
Leaves
Floral
Root Whole Mounts
Left and Top Right 4X
Bottom Right 10X
Root Cap Longitudinal Section
10X
Root Cross Section
Region of Early Differentiation
10X
Endodermis
Pericycle
Vascular Cylinder (Stele)
Cortex
Rhizodermis
Root Cross Section
Region of Early Differentiation
20X
Endodermis (Outer)
Pericycle (Inner)
Protoxylem
Primary Phloem
Metaxylem
Cortex
Root Cross Section
Branch Root
10X
Branch Root
Pericycle
Trichomes
Stem Primary Growth
Phloroglucinol
4X and 20X
Primary Phloem
Open Collateral
Cortex
Pith
Primary Xylem
Cortex
Stem Secondary Growth
4X and 10X
Phloroglucinol
Secondary Xylem
Alternating
Secondary Phloem
Phloem and Fibers
Pith
Trichome
Stem Secondary Growth
Cont.
20X
Epidermis
Angular
Collenchyma
Leaf Gap and Trace
4X and 10X
Leaf Traces
Leaf Gap
Leaf Cross Section
Trichome
4X
Phloem
Spongy Mesohpyll
Abaxial Side
Xylem
Collenchyma
Epidermis
Palisade Mesophyll
Adaxial Side
Paradermal Section and Venation
20X and 4X
Areole
Veins
Epidermal Replicas
40X
Upper
Anomocytic and Amphistomatic
Lower
Floral and Fruit StructuresStamen
Floral Meristem 30X
Trichomes
10X and 20X
Multicellular Stellate
Found all over plant.
References
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Richard Crang and Andrey Vassilyev. Plant Anatomy.
Katherine Esau. Anatomy of Seed Plants. 2nd Ed.
http://encarta.msn.com/
http://wwwplb.ucdavis.edu/labs/rost/cotton/cothome.html