Reports

Inhibition of Flowering by Light in the Short-Day Plant Salvia occidentalis

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Science  01 Jan 1965:
Vol. 147, Issue 3653, pp. 60-61
DOI: 10.1126/science.147.3653.60

Abstract

Long days (continuous light) have inhibitory effects on Salvia occidentalis by producing transmissible substances that suppress flowering. Only when the inhibition at the apex is removed can flowering proceed normally.