Horomones Flashcards
1
Q
What does Auxin do
A
Increase indoleacetic acid (IAA), promotes elongation, decrease in cell wall pH, promotes fruit development
2
Q
Where does Auxin go
A
Shoot to root orientation
3
Q
What happens when shoot tip is removed
A
Auxin levels are reduced, releases auxiliary buds from apical dominance, promotes lateral root formation
4
Q
Charles Darwin, 1800’s
A
Auxin
5
Q
Johannes van Overbeek, 1941
A
Cytokinin
6
Q
Cytokinin function
A
Delay or reverse tissue senescence (old age), promotes cell division
7
Q
Strong Apical Dominance
A
High auxin: Low cytokinin
8
Q
Weak Apical Dominance
A
Low auxin: High cytokinin
9
Q
Japanese scientist Kurosawa, 1926
A
Gibberellin
