Discuss the molecular basis of florigen concept and mechanism of flowering.

The concept of florigen and the mechanism of flowering has been a subject of great interest in plant biochemistry for many years. Florigen is a hypothesized mobile signal that induces flowering in plants. Although it was first proposed in 1936 by the plant physiologist Carl Linnaeus and later refined by others, the molecular basis of florigen and its role in triggering the flowering process has been the focus of much research. The process of flowering is a complex phenomenon influenced by several internal and external factors, including light, temperature, and hormones.

At the molecular level, florigen is a protein encoded by the FLOWERING LOCUS T (FT) gene. FT is one of the key genes that regulate flowering in plants, and it operates through a network of genetic and biochemical pathways to initiate the transition from vegetative growth to flowering. Florigen, produced in the leaves, moves through the plant’s vascular system to the ______ _________ __________ _______ ____ __________ _______ _____ __________ __________ ________.
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