ABDCFig. 4. Effects of different LED lights on the vegetative growth of strawberry in the growth chamber (GC) and the plastic greenhouse (PG). Black bars; Blue + Red, Gray bars;Blue, Black virgule bars; Red, Gray virgule bars; Control stands for the incandescent bulbs in the PG. (A) Numbers of petiole per plant, (B) length of petiole, (C) length ofleaflets, (D) width of leaflets. B, C, and D are given as average per plant in cm. Vertical bars represent standard deviations (n = 3).