Figures (5)  Tables (2)

    • Figure 1. 

      Effects of different light qualities on leaf chlorophyll content of Philodendron 'con-go'. Blue (B), Red (R), 60% Red + 40% Blue (6:4), 70% Red + 30% Blue (7:3), 80% Red + 20% Blue (8:2). Vertical bars indicate standard error (n = 5). Different letters represent a significant difference at p ≤ 0.05 among treatments by Duncan's multiple range test.

    • Figure 2. 

      Effects of different light qualities on chlorophyll fluorescence measurements in Philodendron 'con-go'. Blue (B), Red (R), 60% Red + 40% Blue (6:4), 70% Red + 30% Blue (7:3), 80% Red + 20% Blue (8:2). Vertical bars indicate standard error (n = 5). Different letters represent significant differences ( p ≤ 0.05) among treatments as determined using Duncan's multiple range test.

    • Figure 3. 

      Effects of different light qualities on root activity of Philodendron 'con-go'. Blue (B), Red (R), 60% Red + 40% Blue (6:4), 70% Red + 30% Blue (7:3), 80% Red + 20% Blue (8:2). Vertical bars indicate standard error (n = 5). Different letters represent a significant difference at p ≤ 0.05 among treatments by Duncan's multiple range test.

    • Figure 4. 

      Effects of different light qualities on soluble sugar of Philodendron 'con-go'. Blue (B), Red (R), 60% Red + 40% Blue (6:4), 70% Red + 30% Blue (7:3), 80% Red + 20% Blue (8:2). Vertical bars indicate standard error (n = 5). Different letters represent a significant difference at p ≤ 0.05 among treatments by Duncan's multiple range test.

    • Figure 5. 

      Effects of different light qualities on (a) the soluble protein content, and (b) SOD activity of Philodendron 'con-go'. Blue (B), Red (R), 60% Red + 40% Blue (6:4), 70% Red + 30% Blue (7:3), 80% Red + 20% Blue (8:2). Vertical bars indicate standard error (n = 5). Different letters represent a significant difference (p ≤ 0.05) among treatments as determined using Duncan's multiple range test.

    • Different treatmentsPlant height (cm)No. of leaves (piece)Leaf length (cm)Leaf width (cm)No. of roots (strip)Root length (cm)Fresh weight (g)Dry weight (g)
      GroundGround floorGroundGround floor
      CK9.78 ± 0.17 c7.40 ± 0.68 b4.62 ± 0.21 bc2.02 ± 0.05 a12.20 ± 0.97 b7.34 ± 0.68 a2.03 ± 0.08 b0.51 ± 0.08 b0.14 ± 0.014 b0.06 ± 0.006 b
      R10.41 ± 0.36 bc9.00 ± 1.05 ab4.24 ± 0.09 c2.01 ± 0.09 a14.20 ± 1.24 ab9.57 ± 0.89 a2.11 ± 0.12 b0.58 ± 0.08 b0.13 ± 0.004 b0.05 ± 0.002 b
      B10.44 ± 0.22 bc9.40 ± 0.81 ab4.62 ± 0.08 bc2.18 ± 0.11 a14.20 ± 1.28 ab7.78 ± 0.33 a2.26 ± 0.20 b0.54 ± 0.04 b0.15 ± 0.011 b0.06 ± 0.006 b
      6:411.94 ± 0.65 a11.20 ± 1.68 a5.20 ± 0.19 a2.22 ± 0.04 a14.40 ± 1.36 ab7.91 ± 0.66 a3.39 ± 0.15 a0.55 ± 0.08 b0.25 ± 0.019 a0.06 ± 0.01 b
      7:311.02 ± 0.93 ab9.80 ± 0.86 ab4.96 ± 0.23 ab2.22 ± 0.02 a16.20 ± 1.07 a9.68 ± 1.11 a2.27 ± 0.12 b0.97 ± 0.08 ab0.16 ± 0.011 b0.08 ± 0.006 a
      8:210.60 ± 0.30 bc10.40 ± 0.87 ab4.68 ± 0.22 abc2.04 ± 0.08 a15.40 ± 10.3 ab9.16 ± 1.01 a2.28 ± 0.21 b1.20 ± 0.03 a0.17 ± 0.015 b0.09 ± 0.009 a
      Blue (B), Red (R), 60% Red + 40% Blue (6:4), 70% Red + 30% Blue (7:3), 80% Red + 20% Blue (8:2). The statistical analysis has been carried out separately for each cultivar. Different letters indicate significant differences using Duncan's multiple range test (p ≤ 0.05; n = 10).

      Table 1. 

      The growth status of Philodendron 'con-go' under different light qualities.

    • Dispose Pn
      (µmol·m−2·s−1)      		 E
      (mmol·m−2·s−1)      		 gs
      (µmol·m−2·s−1)      		 Ci
      (µmol·mol−1)
      CK 0.34 ± 0.05 b 0.10 ± 0.003 d 3.14 ± 0.16 c 175.69 ± 9.47 d
      R 0.33 ± 0.02 b 0.11 ± 0.004 cd 3.12 ± 0.15 c 189.62 ± 15.78 cd
      B 0.37 ± 0.04 ab 0.11 ± 0.003 d 3.28 ± 0.45 c 204.67 ± 14.15 bcd
      6:4 0.45 ± 0.03 a 0.14 ± 0.003 a 4.55 ± 0.11 a 223.16 ± 14.09 bc
      7:3 0.47 ± 0.04 a 0.13 ± 0.005 ab 4.03 ± 0.10 b 301.78 ± 17.73 a
      8:2 0.39 ± 0.04 ab 0.12 ± 0.008 bc 3.98 ± 0.22 b 246.41 ± 13.21 b
      Blue (B), Red (R), 60% Red + 40% Blue (6:4), 70% Red + 30% Blue (7:3), 80% Red + 20% Blue (8:2). The statistical analysis has been carried out separately for each cultivar. Different letters indicate significant differences using the Duncan's multiple range test (p ≤ 0.05; n = 10).

      Table 2. 

      Effects of different light qualities on photosynthetic parameters of Philodendron 'con-go'.