Botany online 1996-2004. No further update, only historical document of botanical science!

The EMERSON - Effect

The rate of photosynthesis after exposition to light of the wave length lambda = 670 nm and lambda = 700 nm, respectively. When simultaneously exposed to light of both wave lengths is the rate of photosynthesis increased (EMERSON - effect, at the right).

© Peter v. Sengbusch -