Question

Seed dormancy can be broken by :–

Answer 1

to Break this Impermaebility one must rub the seeds between two layers of fine sand paper. this makes scratches in the tegument and allow water to penetrate it and the seed can inflate and germinate if the embryo dormancy broken. if not, Dormancy can be broken by watering the seeds with etephon or gibbereline
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Answer 2

Answer:

Scarification, hot water, dry heat, fire, acid and other chemicals, mulch, and light are the methods used for breaking seed coat dormancy [3]. Physiological conditions causing internal dormancy arise from the presence of germination inhibitors inside the seed.