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  4. The phenomenon which involves induction of flowering by low temperature treatment is referred as

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Q. The phenomenon which involves induction of flowering by low temperature treatment is referred as

NTA AbhyasNTA Abhyas 2020

Solution:

The annual and biennial plants can be made to flower in one growing season by providing young plants or moistened seeds with low-temperature treatment. Vernalization is a process of shortening of vegetative phase and helping the plant to attain reproductive maturity faster for flowering. If the requisite period of low-temperature treatment is followed by a period of high temperature, the expected acceleration of flowering did not occur. This process is known as de-vernalization. The degree of de-vernalization lowers if the duration of the cold treatment was longer. The de-vernalized plant can be vernalized again by low-temperature treatment.