Growth Inhibitors From Etiolated Leaves of Barley (Hordeum Vulgare L.)

Abstract

The unrolling of etiolated barley leaves, H. vulgare cv. Pallas, is phytochromemediated. After brief illumination with red light unrolling begins after 8 hr. The possibility that illumination results in the fall in content of an endogenous inhibitor led to the work reported.