Germination Flashcards
when the radicle breaks out of the seed
germination
once it breaks out and the stem system develops and breaks through soil
emergence
requirements of germination…
break dormancy, correct temperature, moisture, light
even in favorable conditions, seeds struggle to ______
break dormancy
chemical reason seed cannot break dormancy
hormonal balances are off and prevents the embryo from growing
some seeds require_____ to break dormancy
stratification
what is stratification
a cool or cold period
what detects quality of light?
pigment system
absorbing water
imbibition
water moves from _____ potential to ____ potential into the seed
low, high
when seed germinates within the fruit
vivipary
germination below the soil
hypogenous
in hypogenous germination, where are the cotyledons located?
stay below the soil
in hypogenous germination, where are the cotyledons located?
stay below the surface
germination where the cotyledons are above the soil
epigenous
