Uses of Plant Hormones

• How do hormones contribute to the production of seedless fruit?

  They regulate the growth processes that lead to fruit development without seeds
• What role do hormones play in controlling dormancy in plants?

  They determine when a plant should germinate or remain dormant
• What does the phrase "You will germinate when I SAY you can — and NOT BEFORE..." imply about plant hormones?

  It suggests that hormones regulate the timing of germination
• What is the primary function of hormones in plants?

  To control plant growth
• What are the effects of auxins, gibberellin, and ethene on plant growth?

  • Auxins: Promote cell elongation and root growth
  • Gibberellin: Stimulates stem elongation, seed germination, and flowering
  • Ethene: Regulates fruit ripening and leaf abscission
• What is one way gibberellin affects the natural growth and development of plants?

  It stimulates stem elongation
• What is another way gibberellin affects the natural growth and development of plants?

  It promotes seed germination
• What is a third way gibberellin affects the natural growth and development of plants?

  It encourages flowering
• What are the main uses of plant hormones?

  • Control plant growth
  • Produce seedless fruit
  • Control dormancy