Germination Flashcards
1
Q
Definition of Germination
A
Process of imbibition and absorption of water, hydration of tissues, absorption of oxygen, activation of enzymes and digestion, transport of nutrients to embryo axis, increase in respiration, cell division & growth and embryo emergence
2
Q
4 key points of Germination
A
- The process
- Hormones
- Epigeal Germination
- Hypogeal Germination
3
Q
Hypogeal Germination
A
Occurs in Grass, Maize, Wheat, etc
Involves the elongation of the epicotyl(cotyledons remain below soil surface)
4
Q
Epigeal Germination
A
Occurs in Beans
Involves the elongation of the hypocotyl (cotyledons push above soil surface)
5
Q
3 types of Hormones & their functions
A
Gibberellins (Activate digestion)
Cytokinins (Stimulate Cell division)
Auxins (Cell enlargement)