NALT

Preferred term

phytochrome

Chemical

A bluish conjugated plant pigment protein that exists in two forms, Pr and Pfr, that absorbs red light and then initiates physiological responses such as germination, growth and flowering.

photoperiodism

Field 001 in MARC Authority Format

28508

Spanish

fitocroma

URI

https://lod.nal.usda.gov/nalt/57950

Download this concept

Created 1/19/06, last modified 2/19/14