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Table 1 Parameters in light response curves when cotton leaves were covered in dust (light, medium, and heavy) or the control

From: Similar effects as shade tolerance induced by dust accumulation and size penetration of particulates on cotton leaves

Treatments

Control

Light

Medium

Heavy

LSP (μmol m− 2 s− 1)

228.06 ± 14a

271.09 ± 36a

366.18 ± 23b

396.07 ± 33b

LCP (μmol m− 2 s− 1)

11.70 ± 0.41a

13.10 ± 1.79a

14.38 ± 1.04a

22.29 ± 1.44b

PNmax (μmol CO2 m− 2 s− 1)

8.47 ± 0.59a

8.27 ± 1.44a

8.96 ± 0.72a

4.68 ± 0.66b

  1. PNmax light-saturated net photosynthetic rate, LSP light saturation point, LCP light compensation point. Values are shown as the mean ± standard error (n = 4 or 5). The different letters in superscripts indicate significant differences among treatments at 0.05% level