in Photomorphogenesis by

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The important functions of phytochrome are:

  1. It plays an important role in the growth responses to light.
  2. Phytochrome A is responsible for the germination and seedling de-etiolation.
  3. Phytochrome B is responsible for the day length detection in flowering.
  4. Phytochrome C helps in control of seedling responses to light signals.
  5. Phytochrome helps in adjusting their physiological responses to the seasons.
  6. Many genes for photosynthesis related proteins are regulated by phytochrome.
  7. It can elicit correct behavior for the lighting conditions in the plants environment.
  8. Phytochrome helps the plants to sense the colour of light.
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