Germination

Question 1

What is germination?

Answer 1

The process of seed germination includes the following five changes or steps: imbibition, respiration, effect of light on seed germination, mobilization of reserves during seed germination, and role of growth regulators and development of the embryo axis into a seedling.

Question 2

3 stages

Answer 2

In general, germination process can be distinguished into three phases: phase I, rapid water imbibition by seed; phase II, reactivation of metabolism; and phase III, radicle protrusion.

Question 3

What is required?

Answer 3

Seeds need the proper temperature, moisture, air, and light conditions to germinate. All seeds have optimal temperature ranges for germination. The minimum temperature is the lowest temperature at which seeds can germinate effectively. The maximum is the highest temperature at which seeds can germinate.