Table 1 Comparison of leaf epidermal structures of the tested materials under the SL and SS treatments.

From: Effects of slight shading in summer on the leaf senescence and endogenous hormone and polyamine contents in herbaceous peony

Index (μm)

‘Zifengyu’

‘Hongfengyu’

Wild species

SS treatment

SL treatment

SS treatment

SL treatment

SS treatment

SL treatment

Leaf thickness

316.1 ± 60.7c

359.8 ± 16.9b

197.6 ± 15.9e

269.0 ± 14d

191.2 ± 62.3e

399.7 ± 18.1a

Upper epidermal thickness

22.8 ± 3.9b

22.0 ± 3.2b

17.2 ± 3.0c

22.4 ± 4.4b

23.6 ± 4.6b

30.9 ± 8.2a

Lower epidermal thickness

22.1 ± 5.0a

23.3 ± 6.5a

15.1 ± 4.8d

19.3 ± 3.4b

17.1 ± 2.6c

21.9 ± 4.4a

Upper cuticle thickness

4.3 ± 1.0b

5.4 ± 0.4a

3.5 ± 4.9c

2.5 ± 0.4e

2.6 ± 0.644de

2.9 ± 0.5d

Lower cuticle thickness

4.1 ± 0.9c

5.7 ± 0.5a

2.7 ± 0.8d

2.1 ± 0.2e

2.2 ± 0.4e

5.0 ± 1.1b

  1. Data are shown as mean ± standard error (n = 3). Different letters indicate significant differences among treatments ng treatments Duncan’s test (P < 0.05).
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