Botany online 1996-2004. No further update, only historical document of botanical science!
Phaseolus coccineus. Diurnal Leaf Movements |
1: continuous darkness, 2: continuous red light (610-690 mµ) - note: longer periods; 3: far-red (> 700 mµ) note: depression of rhythm.
Guide lines 24 hours apart.
(L. LÖRCHER, 1958)