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Seed Germination Notes

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An overview of what seed germination is and the four major factors influencing it.

Published in: Education, Business, Technology

Seed Germination Notes

  1. 1. • What is it? –Process that causes a seed to begin to __________ into a new __________grow plant
  2. 2. Factors influencing germination • Water • Oxygen • Temperature • Light
  3. 3. Water • Mature seeds have relatively little moisture to prevent __________ • Seeds usually mature in ______ • To germinate, seeds must ______ _____ water decay fall take in
  4. 4. Water (cont.) • Outside seed coat = ________ • Seed is _________ when testa is dry and in tact • With moisture, testa softens, swells and _______________ testa dormant ruptures (opens)
  5. 5. Oxygen • Oxygen in the presence of enough moisture causes _______________ to start • This creates __________ for the germination process respiration energy
  6. 6. Temperature • Most seeds go through a ________ period before germination • Helps prevent seeds from __________ as soon as they mature • Proper temp. for most seeds = _____________ cold sprouting 68 – 85 o F
  7. 7. Light • Amount of light needed varies • __________ of seed planting influences this • Too deep = not enough _______ or __________ • Too shallow may = too much ________ Depth light oxygen light
  8. 8. Dormancy • Period when seed is alive but not ___________ • Proper __________ break dormancy • Viable - _________ of living or germinating growing conditions capable

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