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Question

Why do many viable seeds not germinate even when supplied with all the essentials?


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Solution

Seed germination:

  1. The fundamental process by which a seed grows into a new plant is called seed germination.
  2. Sometimes even after providing appropriate conditions like oxygen, water, and temperature, several viable seeds do not germinate as they are in a state of dormancy.
  3. Many seeds have developed a dormancy period.
  4. Seed dormancy is a condition that prevents germination even when optimal environmental conditions are provided.
  5. Different factors can break this dormancy – light is essential for germination.
  6. Some plants require to break their physical or chemical dormancy factors. Seeds might have a hard or thick seed coat (physical dormancy).
  7. The breaking through or scarring of the seed coat before seeds germinate.


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