Question

Factors that causes the seed dormancy?

Answer 1

Hello mate,

Here is your answer,

Hard seed coat – These are impermeable to water, gases so restrict water uptake and oxygen exchange.

Immature embryo – Seeds with small and undeveloped embryos do not germinate.

Germination inhibitors – Seeds contain some chemical plant growth regulators, which inhibit seed germination.

Period after ripening – Some seeds have a period of ripening. Those seed germinate only after the completion of this period.

Answer 2

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Reasons or Causes of the Seed Dormancy

• Light.
• Temperature.
• Hard Seed Coat.
• Period after ripening.
• Germination inhibitors.
• Immaturity of the seed embryo.
• Impermeability of seed coat to water.
• Impermeability of seed coat to oxygen.
• More items...