BioMed Research International / 2019 / Article / Fig 1

Research Article

Supplementary Light Source Affects Growth, Metabolism, and Physiology of Adenophora triphylla (Thunb.) A.DC. Seedlings

Figure 1

The spectral distribution of high pressure sodium (HPS, (a)), metal halide (MH, (b)), far-red (FR, (c)), white (red: green: blue = 2:4:3) light-emitting diodes (LED-w, (d)), and mixed (red: green: blue = 4:1:4) light-emitting diodes (LED-mix, (e)), and percentages of blue, green, and red (f) light for each supplementary light source used in the study. Irradiance was measured by a traceable calibrated spectroradiometer (ILT950 NIST, International Light Technologies, Inc., Peabody, MA, USA) without sunlight.

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