CRSC10 Flashcard Ex. 3

Front

Type of water in the seed that can be removed

Back

Free water: This is the water that is not bound to the seed's structure and can be easily removed.

Front

Are seeds hydrophobic?

Back

False: Seeds are not hydrophobic; they can absorb water for germination.

Front

What structure indicates that the seed has germinated?

Back

Radicle: The radicle is the first part of the seedling to emerge, indicating germination.

Front

Type of seed wherein water removal is lethal

Back

Recalcitrant seeds: These seeds cannot withstand drying and will die if water is removed.

Front

Seeds that remained firm or ungerminated

Back

Dormant seeds: These seeds are viable but do not germinate under favorable conditions.

Front

What is bound water in seeds?

Back

Bound water: This is water that is tightly held within the seed's structure and is not easily removed.

Front

What are orthodox seeds?

Back

Orthodox seeds: These seeds can tolerate drying and can be stored for long periods.

Front

What is the role of cotyledons in seeds?

Back

Cotyledons: These are the first leaves that appear from a germinating seed, providing initial nutrition.

Front

What is the difference between recalcitrant and orthodox seeds?

Back

Recalcitrant seeds cannot survive desiccation, while orthodox seeds can tolerate drying.

Front

What is the significance of seed dormancy?

Back

Seed dormancy allows seeds to survive unfavorable conditions until the environment is suitable for germination.