in Photomorphogenesis by

1 Answer

0 votes

Photoperiodism

Vernalization

1. It is the response of relative lengths of day and night.

1. It accelerates the flowering ability by chilling treatment.

2. It can initiate flowering responses in plants.

2. It prepares the plants for flowering rather than inducing flowering.

3. It is a florigen mediated response.

3. It is a response mediated by vernalin which is induces the florigen synthesis.

4. The effects of photoperiodism cannot be reversed. Only the flowering response produced by the red light can be reversed by the applying the far red radiation.

4. The effects of vernalization that is low temperature treatment can be reversed by the exposure to high temperature.

5. The stimulus is perceived by the young leaves.

5. The stimulus is perceived by the entire shoot apical meristem.

 

by