Notes on Phytochrome | Plant Physiology
In plants, there is a photo reversible pigment which is called phytochrome (P), chromophoric protein, and exists in two forms: one which absorbs red (Pr) and the other one which absorbs far-red light (Pfr). Bestowed with such a versatility of the molecule, several bio-chemicals, physiological and morphogenetic responses can be regulated in the plants. It was in 1920 that Gardner [...]