B1 - Controlling Plant Growth

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  • Created by: Amy_2811
  • Created on: 02-10-16 18:17
What is phototropism?
A plants response to light
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What is geotropism?
A plants response to gravity
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How do shoots respond to light and gravity?
Positively phototropic/negatively geotropic
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How do roots respond to light and gravity?
Negatively phototropic/positively geotropic
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What are auxins?
Plant hormones that are made in the root and shoot tip
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What does auxin do?
Collects on shady side of plant/elongates cells/causes curvature towards light
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Name four commercial uses of plant hormones?
Selective weed killers/rooting powder/delay or accelerate fruit ripening/control dormancy in seeds
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Other cards in this set

Card 2

Front

What is geotropism?

Back

A plants response to gravity

Card 3

Front

How do shoots respond to light and gravity?

Back

Preview of the front of card 3

Card 4

Front

How do roots respond to light and gravity?

Back

Preview of the front of card 4

Card 5

Front

What are auxins?

Back

Preview of the front of card 5
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