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Seed Dormancies

Seed Dormancies. Plant Propagation. Seed Terminology. Viable: the seed has a “living” embryo and is capable of germinating. Germination test: The percentage of seed, in any given sample size, that actually germinate.

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Seed Dormancies

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  1. Seed Dormancies Plant Propagation

  2. Seed Terminology Viable: the seed has a “living” embryo and is capable of germinating. Germination test: The percentage of seed, in any given sample size, that actually germinate. For example if you sowed 100 seeds and 86 out of the 100 germinated, what would the percent germination be?

  3. Definition of Dormancy • The failure of a seed to germinate even though the requirements for successful seed germination are all present. • Moisture • Temperature • Oxygen • Sometimes light

  4. Types of Seed Dormancies • Physical • Physiological • Photodormancy • Double Dormancy

  5. Physical Dormancy

  6. Physiological Dormancy

  7. Photodormancy

  8. Double Dormancy

  9. The End

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