1. Growth - PowerPoint PPT Presentation

1 / 2
About This Presentation
Title:

1. Growth

Description:

Tropic responses. Positive: growth is towards stimulus. Negative: growth is away from the stimulus ... Plant growth substances (phytohormones) control growth ... – PowerPoint PPT presentation

Number of Views:73
Avg rating:3.0/5.0
Slides: 3
Provided by: resource5
Category:
Tags: growth | tropic | tropism

less

Transcript and Presenter's Notes

Title: 1. Growth


1
1. Growth response in plants
  • Tropism
  • Movement of part of a plant in response to an
    external stimulus

Positive growth is towards stimulus
Tropic responses
Negative growth is away from the stimulus
2
  • Growth
  • 3 ways
  • cell division
  • cell enlargement
  • cell differentiation (specialization)
  • Plant growth substances (phytohormones)
  • control growth and development of plant
  • 4 types
  • auxins
  • gibberellins
  • cytokinins
  • ethene (ethylene)
Write a Comment
User Comments (0)
About PowerShow.com