plant hormones

• What is the function of auxin?

  It controls growth in roots and shoots.
• What is the function of ethene?

  Controlling cell division and fruit ripening.
• What is the function of gibberellins?


  It initiates seed germination.
• What is auxin used for?

  • weed killers
  • rooting powders to help stimulate root growth in plant cuttings
• What is the effect of auxin in the shoot in response to light?

  • More auxin distributed on the shaded side
  • Faster growth on the shaded side towards the light
• What is the effect of auxin in the shoot in response to gravity?

  • More auxin on the bottom
  • Faster growth on the bottom- causing upwards growth
• What is the effect of auxin in the root in response to light?

  • More auxin on the shaded side
  • Slower growth on the shaded side causing growth away from the light