What are the steps involved in seed germination?

1 Answer

Answer :

answer:Different plants have evolved different germination mechanisms. In general, though, there will be some way of restraining germination while the seed is still in the fruit. In some cases, there is an inhibiting chemical within the flesh of the fruit that will inhibit germination; in others, the seed has to go through a period of cold weather before germination can begin (peaches work this way); in yet others, the seed has to dry before it can germinate. All of these systems allow time for the seed to be dispersed through the environment and to be embedded in soil or debris. The seed doesn’t draw nourishment from the fruit. The sweet pulp of the fruit is an enticement for animals to aid in dispersing the seed. As I described, the flesh of the fruit is long gone by the time germination begins. The hard seed coat (of a peach pit, for example) typically splits open by the mechanical force of swelling when the pit is exposed to water, not by the action of the germination itself. This ensures that the germination happens only when there is sufficient water in the environment to sustain the sprout.

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