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Vernalization
Vernalization is a crucial biological process in many plants, especially biennials and winter annuals, where exposure to a period of cold temperature is required to induce or accelerate flowering. This cold stimulus, typically ranging from 0-10°C, is generally perceived by the apical meristems of the plant. Without adequate vernalization, these plants either fail to flower or exhibit a significantly delayed flowering time. Biologically, vernalization ensures that flowering occurs during agriculturally favorable seasons, preventing premature blooming in autumn and ensuring successful seed production in spring or summer after winter dormancy. The process involves complex molecular changes, thought to include epigenetic modifications, that switch the plant from a vegetative to a reproductive state. While the exact mobile signal, termed florigen, is often involved, the cold perception specifically sets the stage for its action, essentially timing the plant's reproductive cycle to its environment.
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Sakshi Negi
Sakshi Negi is a Delhi-based journalist and content specialist with expertise in educational content and digital media, focusing particularly on government exam preparation and career guidance. With a degree in Journalism and Mass Communication from NRAI School of Mass Communication and her background as a Kendriya Vidyalaya alumna, she brings unique insights into the Indian education system and government sector opportunities.
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