Effects of Light Spectral Energy Distribution on Multiplication and Rooting of Chrysanthemum Plantlets in Vitro

ACTA HORTICULTURAE SINICA ›› 2010, Vol. 37 ›› Issue (10): 1629-1636.

• Ornamental Plants • Previous Articles Next Articles

Effects of Light Spectral Energy Distribution on Multiplication and Rooting of Chrysanthemum Plantlets in Vitro

ZHANG Huan1，XU Zhi-gang2，CUI Jin1,*，GU Ai-su1，and GUO Yin-sheng1

（1College of Life Sciences，Nanjing Agricultural University，Nanjing 210095，China；2College of Agriculture，Nanjing Agricultural University，Nanjing 210095，China）

Received:2010-05-06 Revised:2010-10-08 Online:2010-10-25 Published:2010-10-25
Contact: CUI Jin

Abstract

Abstract: The effects of different light spectral energy distribution of light-emitting diode（LED）on multiplication and rooting of chrysanthemum plantlets in vitro were studied. Fluorescent light was used as the control. The results showed that，red LED was in favour of enhancing plant height and internode length，and synthesizing soluble sugar，starch and carbohydrate；The content of chlorophyll b，chlorophyll a + b and carotenoid of shoots including content of amino acid of plantlets in vitro were significantly increased by blue LED；Complex of red，blue and yellow LED was not only suitable for differentiation and proliferation of shoots in vitro，but for pigment synthesis，growth and root vigor of plantlets in vitro. The results indicated that，as compared with fluorescent light，application of complex of red + blue + yellow LED was propitious to improve propagation coefficient，breed vigorous plantlets and decrease energy consumption.

Key words: chrysanthemum, light-emitting diode, light spectral energy distribution, multiplication, rooting

CLC Number:

S 682.1+1

ZHANG Huan;XU Zhi-gang;CUI Jin;GU Ai-su;and GUO Yin-sheng. Effects of Light Spectral Energy Distribution on Multiplication and Rooting of Chrysanthemum Plantlets in Vitro[J]. ACTA HORTICULTURAE SINICA, 2010, 37(10): 1629-1636.

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Effects of Light Spectral Energy Distribution on Multiplication and Rooting of Chrysanthemum Plantlets in Vitro

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