Control in Plants
- Created by: sarahcm2000
- Created on: 07-12-15 20:34
View mindmap
- Control in plants
- Hormones
- Reaction to light is called phototropism
- Plant shoots grow towards the light
- Shoot growing against force of gravity
- Root growing towards the force of gravity
- Also grow in the direction of moisture
- Auxin
- Shoots
- Encourages growth
- Auxin moves away from the direction the light is coming from
- Side with auxin will grow quickly unlike side without
- Negative Photo-tropism
- Side with auxin will grow quickly unlike side without
- Auxin moves away from the direction the light is coming from
- Encourages growth
- Roots
- Slows growth
- Side with auxin is slower growth
- Auxin side will bend down towards gravity
- Side with auxin is slower growth
- Slows growth
- Shoots
- Rooting compounds has hormones which encourage growth of roots
- Eg take a cutting of plant dip in powder dip in soil roots will grow and grow into plant
- Using auxin
- Encourage rapid growth of weeds
- Weed killer sprayed absorbed by weeds
- Causes accelerated growth and death of plant
- Weed killer sprayed absorbed by weeds
- Encourage rapid growth of weeds
- Reaction to light is called phototropism
- Hormones
Comments
No comments have yet been made