Flowers Know When To Bloom
Wednesday Feb 27th, 2019
ShareScientists have known since the 1930s that plants sense the length of the days and, somehow, use that information to decide when to flower. Russian scientists back then speculated that a mysterious substance must be transported from leaves to shoot tips, stimulating the formation of flower buds. They called the mystery chemical “florigen.” In 2005, a trio of new studies revealed how it works, including why flowers spring forth in certain spots on a plant. The findings were... [read more]