Plant hormones Flashcards
What happens if the light is shinning in a certain direction onto the plant?
The plant will grow in that direction
What is Geotropism?
where you grow the shoot of the plant against the force of gravity
How does the roots of plant grow?
towards the force of gravity
What is it called when the roots of a plant grow towards the for of gravity?
Positive Geotropism
What are the 3 things controlled by a hormone called Auxins?
Plant, shoot and roots
What do Auxins do to the shoots?
encourage growth
What do Auxins do to the roots?
slow the growth
describe Phototropism in the shoots
1) Auxins will flow down the shoots
2) Then you add light which leads to a quicker growth
3) Then the shoot will bend
Describe phototropism in the roots?
1) Auxins will grow at the bottom
2) Slower growth will occur
3) You then form a root
What does rooting compounds have?
Hormones that encourage the growth of roots.
How does rooting compounds work?
Take cutting of the plant dip it into the powder and put it into the soil
How does week killer work?
Weed killer has a high dosage of auxins which is absorbed by the weeds which causes the accelerated growth which kills the weeds
