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. 2020 Jul 24;252:153239. doi: 10.1016/j.jplph.2020.153239

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Fig. 3 — Chl a concentration (A), Chl b concentration (B), total Chl concentration (C), total Car concentration (D), Chl a/b ratio (E) and Chl/Car ratio (F) of the youngest fully expanded leaves of I. batatas grown under different light conditions. Means with different letters are statistically different (P < 0.05; n = 6) as determined by LSD multiple comparison test. SL, Sunlight; SL + L-LED, SL with supplemental LED at a PPFD of 150 μmol m⁻² s⁻¹; SL + H-LED, SL with supplemental LED at a PPFD of 300 μmol m⁻² s⁻¹.