적색광을 이용한 들깨의 개화조절
Flowering Control Using by Red Light of Perilla
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조회
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다운로드
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참고문헌
키워드
초록
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 0.177μmol/m2/s 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 0.177 μmol/m2/s. Red light of 0.2μmol/m2/s 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
Abstract
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 0.177μmol/m2/s 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 0.177 μmol/m2/s. Red light of 0.2μmol/m2/s 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
참고문헌 (19)
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