Genetic improvement of a medicinal perilla native to Wakayama prefecture, and development of production techniques for the enhance the functionality.

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In this study, we described one line of Perilla herb, as a local genetic resource in the Kinokawa plain. First, we observed morphological and aromatic characteristics of the line and evaluated the genetic variation for perillaldehyde content. As a result, this line has been fixed genetically for these characteristics. And then, we have begun to develop the cultivation method for year round production and for enrichment of the functionality of the perilla. Supplemental lighting by blue LEDs significantly inhibited the flower formation of perilla, and allowed the continuous differentiation of young leaves related to higher content of perillaldehyde.