Germination, Types of germination 2 Flashcards
Germination
Process when the dormant embryo in a seed begins to grow. The seed absorbs water,,swells up and the seed coat ruptures.First, the radical elongates and grows into root .Next, the plumule grows upwards and becomes shoot.
Radicle gives rise to
root
Plumule gives rise to
Shoot
Epigeal Germination
The cotyledons are pushed above the ground due to rapid elongation of the hypocotyl.
Hypogeal germination
The cotyledons remain below the soil or just on the surface of soil.
Rapid elongation of the hypocotyl occurs in….
Epigeal germination
Rapid elongation of the epicotyl occurs in …
hypogeal germination
Viviparous germination
Germination of seed while it is still attached to the parent plant and is nourished by it.
Example of plants showing viviparous germination
Rhizophora, Sonneratia, Heritiera