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Gossypium spp. Cotton Anatomy

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.

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Gossypium spp. Cotton Anatomy

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  1. Gossypium spp.Cotton Anatomy Jake Delheimer IB 423 Portfolio Project

  2. 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

  3. Cotton in History • 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 http://encarta.msn.com/media_461530270/American_Cotton_Plantation.html

  4. 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

  5. The Tour • Roots • Stems • Leaves • Floral

  6. Root Whole Mounts Left and Top Right 4X Bottom Right 10X

  7. Root Cap Longitudinal Section10X

  8. Root Cross SectionRegion of Early Differentiation10X Endodermis Pericycle Vascular Cylinder (Stele) Rhizodermis Cortex

  9. Root Cross Section Region of Early Differentiation20X Endodermis (Outer) Pericycle (Inner) Protoxylem Primary Phloem Metaxylem

  10. Root Cross SectionBranch Root10X Cortex Branch Root Pericycle

  11. Stem Primary GrowthPhloroglucinol 4X and 20X Trichomes Primary Phloem Open Collateral Primary Xylem Cortex Pith

  12. Stem Secondary Growth4X and 10XPhloroglucinol Cortex Pith Alternating Phloem and Fibers Secondary Xylem Secondary Phloem

  13. Stem Secondary GrowthCont.20X Trichome Epidermis Angular Collenchyma

  14. Leaf Gap and Trace4X and 10X Leaf Traces Leaf Gap

  15. Leaf Cross Section4X Trichome Xylem Phloem Spongy Mesohpyll Abaxial Side Collenchyma Epidermis Palisade Mesophyll Adaxial Side

  16. Paradermal Section and Venation20X and 4X Veins Areole

  17. Epidermal Replicas40X Lower Upper Anomocytic and Amphistomatic

  18. Floral and Fruit Structures Stamen Floral Meristem 30X

  19. Trichomes10X and 20X Multicellular Stellate Found all over plant.

  20. References • Richard Crang and Andrey Vassilyev. Plant Anatomy. • Katherine Esau. Anatomy of Seed Plants. 2nd Ed. • http://encarta.msn.com/ • http://www-plb.ucdavis.edu/labs/rost/cotton/cothome.html

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