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Table 2 Photosynthetic pigment content of Welsh onions under different light conditions

From: Photosynthetic characteristics and chloroplast ultrastructure of welsh onion (Allium fistulosum L.) grown under different LED wavelengths

light qualitychlorophyll a (mg∙g− 1)chlorophyll b (mg∙g− 1)Carotenoid (mg∙g− 1)chlorophyll a + b (mg∙g− 1)chlorophyll a/b
W0.61 ± 0.004a0.27 ± 0.002a0.20 ± 0.001a0.88 ± 0.005a2.23 ± 0.019b
B0.54 ± 0.002b0.23 ± 0.005b0.17 ± 0.001b0.77 ± 0.003b2.34 ± 0.059a
G0.44 ± 0.002d0.20 ± 0.005d0.15 ± 0.001d0.65 ± 0.005d2.16 ± 0.058c
Y0.39 ± 0.004e0.17 ± 0.004e0.12 ± 0.001e0.56 ± 0.003e2.26 ± 0.067b
R0.49 ± 0.001c0.22 ± 0.002c0.16 ± 0.001c0.70 ± 0.003c2.26 ± 0.024b
  1. Values are means of 5 replicates ± SD. Different letters (a, b, c, d) in the same column indicate significant differences among treatments at P ≤ 0.05 according to Duncan’s new multiple range test. W white light, B blue light, G green light, Y yellow light, R red light. n = 5