Seedling storage lighting method and seedling storage for lighting equipment

摘要

PROBLEM TO BE SOLVED: To provide an illuminating method under seedling storage and an illuminator for seedling storage, enabling the quality of seedlings during their low-temperature storage to be maintained for a long period compared to the conventional case under constant light irradiation, both the initial investment of illuminating utensils for seedling storage and power consumption to be limited to low levels and a light irradiation on seedlings left to be contained in packing boxes to be made.;SOLUTION: This illuminating method comprises the following practice: plant seedlings are arranged in a low-temperature space nearly blocked from both the outside air and outside light and irradiated with light through combining the period of irradiation with high-luminance light enough to correspond to nearly the light compensation point for the seedlings or greater (bright period) with that with low-luminance light enough to correspond to the above point or less (dark period). By this method, the quality of the seedlings can be maintained for a long period without lowering the rate of photosynthesis while limiting power consumption to low levels compared to the case with constant light irradiation, also enabling the initial investment of illuminating utensils for seedling storage to be limited without needing any sensor or the like.;COPYRIGHT: (C)2003,JPO