plant hormones

• describe auxins

  plant hormones that form on shaded and lower side stimulating growth in shoots and inhibiting growth in roots
• give plant responses

  phototropism - response to light

  gravitropism - response to gravity
• describe growth in shoots

  positive phototropic and negative gravitropic
• describe growth in roots

  negative phototropic and positive gravitropic
• give types of plant hormones

  • auxins
  • gibberellins
  • ethene
• give uses of auxins

  • kill weeds
  • rooting powder for cuttings
  • growth mediums
• give uses of gibberellins

  • control dormancy
  • induce flowering
  • grow larger fruits
• give uses of ethene

  • stimulate fruit ripening