Section 1 Flashcards
Seed Morphology
outside of a seed (shape, color, texture, openings, spines, thickness of coat)
Seed Anatomy
structures, inside and out
Growth of the new young plant begins inside …
inside the seed coat
What is Radicle emergence?
The radicle is emerging out of the seed coat
Nutrients that feed the plant embryo are stored in…
the cotyledon and the endosperm
Function of a seed coat
To protect the developing embryo
Complete vs Incomplete flowers
Complete flowers have both functioning male and female parts.
Incomplete flowers are lacking either sepals and/or petals.
Perfect vs Imperfect flowers
Perfect flowers have Male and female parts on the same plant.
Imperfect flowers have different plants for male and female parts.
What are the sexual reproductive structures of Angiosperms?
Flower bud, flower, fruit, seed.
Complete Perfect vs Incomplete perfect flowers
Complete perfect flowers have sepals, petals, pistils, and stamen.
Incomplete perfect flowers have Pistil and Stamen but may be missing either sepals, petals, or both.
What is seed viability?
The potential to germinate a seedling.
Different testing for seed viability
Germination testing, TZ test, Cutting test, Xray, Excised embryo test, Seed moisture
TZ (Tetrazolium) staining test
Stains what is alive in the seed for better viewing
Define seed dormancy
When seeds do not germinate, even in perfect conditions.
What is WOW?
Water
Oxygen
Warm temperature
