Plant growth hormones

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  • Created by: Virrusha
  • Created on: 28-04-13 12:11
Phototropism
It is the growth of a plant in response to light. Shoots are positively phototropic, they grow towards light
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Gravitropism (geotropism)
It is the growth pf a plant in response to gravity. Roots are positively gravitropic, they grow downwards
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Auxin
It stimilates plant tips to grow. It is produced in the tips and diffuses backwards to stimulate the cells just behind the tips to elongate.
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Gibberellin
It stimulates plant stems to grow. It stimulates seed germination, stem growth and flowering.
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Shoots
They are positively phototropic. When a shoot tip is exposed to light, more auxin accumulates on the side thats in the shade than the side thats in the light.
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Other cards in this set

Card 2

Front

It is the growth pf a plant in response to gravity. Roots are positively gravitropic, they grow downwards

Back

Gravitropism (geotropism)

Card 3

Front

It stimilates plant tips to grow. It is produced in the tips and diffuses backwards to stimulate the cells just behind the tips to elongate.

Back

Preview of the back of card 3

Card 4

Front

It stimulates plant stems to grow. It stimulates seed germination, stem growth and flowering.

Back

Preview of the back of card 4

Card 5

Front

They are positively phototropic. When a shoot tip is exposed to light, more auxin accumulates on the side thats in the shade than the side thats in the light.

Back

Preview of the back of card 5

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