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14 cards from this deck
Resting period with no growth & reduced cell activity or metabolism
Abscisic acid
Blocks water/oxygen from entering seed
Physically prevents embryo from emerging
Seeds lack regulators needed to stimulate germination
Increased light & higher temperatures in spring
Protects seedling from harsh winter conditions
Provides time for seed dispersal to new locations
Allows long growing season for seedlings after germination
Seeds remain in soil over time, increasing survival chances
Often over a year
Softens testa, allows water in, activates enzymes
Mimics winter, then warm simulates spring
Allows water & oxygen to enter through weakened testa
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