https://www.frontiersin.org/journals/plant-science/articles/10.3389/fpls.2021.636098/full
Frontiers | The Sequential Action of MIDA9/PP2C.D1, PP2C.D2, and PP2C.D5 Is Necessary to Form and...
During seedling etiolation after germination in the dark, seedlings have closed cotyledons and form an apical hook to protect the meristem as they break thro...