Plant hormones Flashcards
1
Q
Auxins
A
leaf primordial, young leaves, developing seeds
polar and non polar
2
Q
Cytokinins
A
root tips
move from roots to shoots via xylem
3
Q
Ethylene
A
in most tissues
response to stress
diffuse from site of synthesis
4
Q
Abscisic acid
A
stress hormone
mature leaves and roots, seeds
- move from leaves via phloem
- move from roots via xylem
5
Q
gibberellins
A
young tissues of shoot and developing seeds
both xylem and phloem
6
Q
Brassinosteroids
A
required for normal growth
7
Q
Salicylic acid
A
plant defensive responses to plant pathogens
8
Q
Jasmonates
A
plant growth regulation and plant defence
9
Q
Polyamines
A
growth and development
mitosis, meiosis
10
Q
systemin
A
long-distance signal activating chemical defenders against herbivores