Plant hormones

• Phototropism


  Responses toward / away from light
• Geotropism


  Responses towards/away from gravity
• Plant tropisms


  • Positive
  • Negative
• Shoot tropisms


  • Positive geotropism
  • Positive phototropism
• Root tropisms


  • Positive geotropism
  • Negative phototropism
• Positive tropism


  Growth towards the stimulus
• Negative tropism


  Growth away from the stimulus
• Phototropism


  Response towards/away from light
• Light


  • Positive phototropism