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Table 1 Comparison of photosynthetic characteristics (Pmax—photon-saturated photosynthetic rate; AQY—apparent quantum yield; LSP—light saturation point; LCP—light compensation point; Rd—dark respiration rate) of Liriope muscari grown under high (HI), medium (MI) and low (LI) incident PAR in two groups

From: Photosynthetic performance and growth responses of Liriope muscari (Decne.) L.H. Bailey (Asparagaceae) planted within poplar forests having different canopy densities

Traits

1

2

HI

MI

LI

HI

MI

LI

Pmax [µmol m−2 s−1]

4.81 ± 0.09a

3.33 ± 0.02b

3.09 ± 0.06c

4.05 ± 0.08ab

3.14 ± 0.09b

2.93 ± 0.03c

AQY [mol mol−1]

0.031 ± 0.003b

0.041 ± 0.004b

0.047 ± 0.003ab

0.038 ± 0.006a

0.043 ± 0.01ab

0.053 ± 0.001ab

LSP [µmol m−2 s−1]

492.80 ± 50.29a

441.60 ± 5.54ab

400.00 ± 22.40abcc

480.00 ± 19.20ab

398.67 ± 8.73c

363.73 ± 11.88bc

LCP [µmol m−2 s−1]

11.73 ± 0.56a

6.51 ± 0.01c

3.20 ± 0.01c

6.40 ± 0.01b

4.30 ± 0.01c

2.73 ± 0.56a

Rd [µmol m−2 s−1]

0.569 ± 0.04d

0.151 ± 0.03b

0.065 ± 0.02ab

0.393 ± 0.01c

0.120 ± 0.02ab

0.060 ± 0.01a

  1. Mean ± SE (n = 3). Different superscripted letters following the values in each column indicate significant differences (p < 0.05) among the different growth irradiances