Difference between photoperiodism and vernalisation
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que:- Difference between photoperiodism and vernalisation
ans:- Photoperiodism provides both the stimuli and the induction of flowering. Vernalization only prepares the plant for perceiving the flowering stimuli. It does not induce flowering. The stimuli induced by light in photoperiodism are received only by the green leaves.
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Answer:
Photoperiodism can be termed as the response of plants to periods of day/night. It is theorized that the hormonal substance that is responsible for flowering, is formed in the leaves which subsequently migrates to the shoot apices and alters them into flowering apices. This process of photoperiodism helps in studying the response of flowering in different crop plants when the duration of exposure of light is considered.
Vernalisation is the phenomena where the process of flowering in some plants is either quantitatively or qualitatively dependent on the exposure to lower temperatures. In particular, it refers to promoting the flowering process by a period of lower temperatures. The process prevents precocious reproductive development late in the growing season which thereby enables the plant to have sufficient time to attain maturity.