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Plant Growth and Development — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYPlant Growth and Development2 Marks
Question
Mention any four artificial or man-made methods to overcome seed dormancy.
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Answer

The following are the artificial methods of breaking seed dormancy:
  1. Abrasions are made in the seed coat mechanically using sand paper, knives, etc.
  2. Subjecting the seeds to chilling conditions removes the effect of inhibitor chemicals.
  3. The seeds are also exposed to certain light and temperature treatment.
  4. Treatment of seeds with gibberellic acid and nitrates helps to overcome the effect of chemical inhibitors.

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