Plant hormones Flashcards
1
Q
What is auxin
A
a plant hormone which controls growth near the tips of shoots and roots. It controls the growth of a plant in response to different stimuli.
2
Q
What is phototropism
A
plant growth in response to light
3
Q
What is gravitropism
A
plant growth in response to gravity
4
Q
What are 3 things auxin is useful for
A
- Killing weeds
- Growing from cuttings with root powder
- Growing cells in tissue culture
5
Q
What are gibberellins
A
They are a plant hormone which stimulates seed germination, stem growth and flowering
6
Q
What are 3 uses of gibberellins
A
- Controlling dormancy
- Inducing flowering
- Growing larger fruit
