6685258
Description
Mind Map by Matthew Gaisford St. Lawrence, updated more than 1 year ago
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Created by Matthew Gaisford St. Lawrence
over 7 years ago
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Plant Responces
- Tropism
- The Responce of a plant to directional stimulus
- Phototropism
- Geotropism
- Hydrotropism
- Thermotropism
- Thigmotropism
- Phototropism
- The Responce of a plant to directional stimulus
- Growth Hormones
- Auxin
- Stimulates growth of shoots
by cell elongation
- Apical Dominance
- Prevents side shoot formation
- Prevents side shoot formation
- inhibits leaf
loss
- Stimulates growth of shoots
by cell elongation
- Gibberellin
- Stimulates seed germination,
stem elongation, side shoot
formation and flowering
- Produced in young leaves
- Triggers the breakdown of starch
into glucose in the seed
- Produced in young leaves
- Stimulates seed germination,
stem elongation, side shoot
formation and flowering
- Indoleacetic Acid
(IAA)
- Moved around the plant to
control tropisms
- Moved around the plant to
control tropisms
- G+A are often
synergistic - work
together
- And can be antagonistic -
oppose each others actions
- And can be antagonistic -
oppose each others actions
- Ethene
- Stimulates leaf loss in winter
- Produced by ageing leaves
- Produced by ageing leaves
- Stimulates leaf loss in winter
- Abscisic Acid
- Triggers stomatal closure
- Triggers stomatal closure
- Auxin
- External Stimuli
- Tannins
- Toxic to microorganisms and
herbivores. They bind to proteins
in the gut, making the plant hard
to digest
- Toxic to microorganisms and
herbivores. They bind to proteins
in the gut, making the plant hard
to digest
- Alkaloids
- A feeding deterrent to animals,
tasting bitter. Located in the
growing tips and flowers
- A feeding deterrent to animals,
tasting bitter. Located in the
growing tips and flowers
- Pheromones
- A chemical released by one
individual that can affect the
physiolgy of another
- A chemical released by one
individual that can affect the
physiolgy of another
- Tannins
- Commercial uses
- Auxins
- Take cuttings from
a larger plant
- Seedless Fruit
- Herbicides
- Promote growth -
stem buckles
- Promote growth -
stem buckles
- Take cuttings from
a larger plant
- Gibberellins
- Brewing
- Sugar Production
- Fruit Production
- Brewing
- Ethene
- Speed up fruit ripning
- Speed up fruit ripning
- Cytokynes
- Prevent yellowing of
lettuice leaves
- Prevent yellowing of
lettuice leaves
- Auxins
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