Plant Hormones - Gibberellin + ethene Flashcards
1
Q
What is gibberellin
A
a plant growth regulator
2
Q
Where is gibberellin highly concentrated
A
in young leaves and seeds
3
Q
What does gibberellin cause
A
seed growth and elongation e.g germination
4
Q
What is ethene useful for in plants
A
ripening due to control of cell division
5
Q
How can auxin work as a weed killer
A
spray on broad leaved plants so it absorbs high amount
causes rapid cell division in shoots but stem too weak
also decreases root growth so weed shrivels
