摘要 |
PROBLEM TO BE SOLVED: To provide a method for improving an ornamental plant, making it possible to provide an improved ornamental plant exhibiting a new appearance and a new atmosphere which are different from those of an original plant (natural plant), by subjecting the original plant to an exposure treatment under specific conditions and then taking out the improved strain when successive stocks are divided. SOLUTION: This method for improving an ornamental plant comprises inoculating the original stock of the ornamental plant into a culture medium, culturing the inoculated original stock in an aseptic state, subjecting the ornamental plant cultured in the aseptic state to an exposure treatment under conditions comprising a prescribed total radiation dose and a prescribed exposure time before or after a stock-diving treatment, and then taking out the improved stock, when successive stocks are divided. Therein, the ornamental plant is preferably an insectivorous plant, and the exposure conditions preferably comprise a total radiation dose of 30-90 Gy and an exposure time of 50-200 sec, after divided, inoculated and stabilized.
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