Seed Flashcards
The mature, fertilized ovule of a flowering plant.
Seed
The seed is widely used in the deliberate production of
seedlings, known as _____
Plant propagation
It has a diploid (2n) embryo which develops from
a fertilized egg or zygote.
Mature seed
Enumerate the basic parts of a seed
- Ovule
- Seed coat
- Endosperm
- Embryo
Enumerate the main components of the embryo
- Cotyledons
- Epicotyl
- Plumule
- Hypocotyl
- Radicle
It is a tiny shoot from which the entire plant shoot system develops.
Epicotyl
It is the transition zone between the rudimentary root and shoot
Hypocotyl
It is the small embryonic root
Radicle
It refers to the specialized seed leaves which develop from the plumule and
occur singly in most monocot seeds but two in dicot seeds
Cotyledons
It is the tip of the epicotyl, and has a feathery appearance due to the
presence of young leaf primordia at the apex, and will become the shoot upon
germination
Plumule
It is the tissue produced inside the seeds of most flowering plants around the time of fertilization
Endosperm
- It surrounds the embryo and provides nutrition in the form of starch, though it can also contain oils and protein.
- It forms a supply of nutrients for the embryo in most monocotyledons
and the endospermic dicotyledons
Endosperm
It serve as sole food storage organs
Cotyledons
A process that causes a seed to begin to grow into a
new plant
Seed Germination
Factors that influencing seed germination
- Water
- Oxygen
- Temperature
- Light
