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Flowering Control Using by Red Light of Perilla
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 Title & Authors
Flowering Control Using by Red Light of Perilla
Hong, Seung-Chang; Kwon, Soon-Ik; Kim, Min-Kyeong; Chae, Mi-Jin; Jung, Goo-Bok; Kang, Kee-Kyung;
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BACKGROUND: This experiment was conducted to investigate the effects of red light on inhibition of flowering and vegetative growth of perilla (Perilla Frutescens. L). METHODS AND RESULTS: To determine red light intensity for inhibiting floral induction of perilla 6h light plus daylength extension (17:00-23:00) with three different intensity of red lights 0.046, 0.114 and were treated respectively, and control plants were grown under 11(06:00-17:00)/13(17:00-06:00)h light/dark environment. Red(660nm) and far-red(730nm) light were irradiated for night break treatment subsequently to investigate photoreversible flowering response of perilla 'Manchu'. The flowering was inhibited by night break with red light, but sequential far-red light induced floral induction of perilla. Perilla not flowered by red light intensity over . Red light of was irradiated for 6 hours (20:00-02:00) with LEDs device in plastic house. Perilla not flowered and continued the vegetative growth by red light treatment and the plant length, number of leaves, fresh weight, and leaf area of perilla were increased by 3%, 7%, 21%, and 19%, respectively, compared to incandescent control. CONCLUSION: These results showed that red(660nm) light for daylength extension could be used to control flowering and to enhance production of perilla leaf.
Daylength extension;Flowering;Growth;LEDs;Perilla;Red light;
 Cited by
적색광에 의한 딸기재배의 일장연장 효과,홍성창;김민경;김명현;최순군;어진우;정구복;소규호;

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