CAUSES OF SEED DORMANCY

CAUSES OF SEED DORMANCY

Seed dormancy is a condition in which a seed that is capable of germinating fails to germinate




CAUSES OF SEED DORMANCY

  • Hard seed coat This prevents entry of water into the seed which makes emergency of the radical difficult
  • Presence of incubator substances that prevent germination e.g Abscisic Acid (ABA)
  • Immaturity of the embryo e.g seeds undergoes further development with in themselves before they can germinate.




  • High temperature during seed storage of Seed coat hairs which interfere with oxygen absorption e.g Oarts, Barly seeds.
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