METHOD FOR PROMOTING FLOWERING IN FLOWERING PLANT

摘要

PROBLEM TO BE SOLVED: To solve problems that in a conventional method for promoting flowering, since sunshine hours are covered by a fluorescent light besides natural light, false recognition of season by a flowering plant is promoted, only fine adjustment of a flowering date is carried out, power consumption is increased and cost is risen.;SOLUTION: The method for promoting flowering in a flowering plant comprises screening an outdoor daylight after a plant geminates and reaches about 1.5 g live weight, irradiates the plant by using a light source having 500-525 nm peak wavelength with the quantity of light of the light source 2 of an approximately blue green light having 15-200 μmol/m² s photosynthetic photon flux density (PPFD) on the surface of the plant at least corresponding to photoperiod of the plant. In this manner, the range of light wavelength associated with only the promotion of flowering is specified, irradiation only in the wavelength range is performed so that promotion efficiency is raised and revolutionary promotion effect is obtained.;COPYRIGHT: (C)2004,JPO