Skin color measurement. The L*a*b* values were measured at three positions 5 mm apart for the irradiated side of the fruit using a chromameter (CR 200; Minolta, Tokyo).
The intensity of irradiation was adjusted by placing several layers of shade screen over
the petri dish. The intensity was monitored Materials and Methods Plant materials. Yellow-green fruit were collected at the beginning of stage III of fruit
Received for publication 12 Aug. 2002. Accepted for publication 10 Feb. 2003.1Professor.
2Assistant professor.beneath the plastic cover. The cultures were continuously irradiated for 96 h.