Plant Hormones and Tropisms

A mind map concerning Plant hormones, tropisms, and their effect on the plant

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  • Created by: dwdwdan
  • Created on: 10-10-17 17:15
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  • Plant Hormones
    • Auxin
      • Controls Growth
      • Produced in tip of stem
      • Response to tropisms
      • Stimulates Cell elongation
        • Lengthening of cells
        • In Stem
      • Inhibits growth in root
    • Commercial uses
      • Auxin
        • Weed Killer
          • Kills Broad-leaved weeds
          • Disrupts natural growth pattern
          • Leaves grass and crops untouched
        • Root Powder
          • Allows cutting to grow
          • Produce Roots Rapidly
          • Creates clones
        • Tissue Culture
          • creates clones from few cells
          • Auxins added to growth medium
      • Gibberellin
        • Controls Dormancy
          • Seeds don't germinate until been through certain conditions
          • Alters Dormancy
          • All seeds in batch germinate at once
        • Induced flowering
          • Some plants require certain conditions to flower
          • Gibberellin bypasses conditions
          • Bigger Flowers
        • Growing Larger Fruit
          • Seedless fruit doesn't grow as large
          • Giberellins make them grow larger
            • To size of normal varieties
      • Ethene
        • Speeds up Ripening
        • Gas
        • Produced by aging parts of plant
        • Fruit can be picked when unripe
          • Fruit Firmer
          • Fruit less easily damaged
        • Fruit Ripened on way to shop
        • Fruit perfectly ripened when gets to shop
        • Can also delay ripening by blocking ethenes effect

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