Reasons for seed dormancy:
The seed coat is hard, and the impermeable layers of the seeds prevent the uptake of water, this inhibits growth and delays the process of germination. In some cases, the seeds have undeveloped embryos which is the reason for the delay in germination. Unfavourable conditions also lead to seed dormancy.
Methods to break seed dormancy:
Seed dormancy can be broken by optimal changes in the temperature of the environment and other conditions. Physical dormancy can be also broken when the seed goes through the gut of an animal that has consumed it. Mechanical dormancy is broken with the help of some external factors. Example: An animal might break the hard coat of the seed.
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