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Table 2 Chlorophyll a and chlorophyll b content of oakleaf lettuce seedlings depending on engineered nanoparticles (nano-metals; M-NPs) applied to the leaves in different concentrations as aqueous colloidal solutions. Control plants were sprayed with deionized water

From: Impact of foliar application of some metal nanoparticles on antioxidant system in oakleaf lettuce seedlings

M-NPs and concentration

Chlorophyll a (mg g− 1 FW)

Chlorophyll b (mg g− 1 FW)

Ag

20 ppm

0.274 ± 0.007 *

0.105 ± 0.008

Ag

40 ppm

0.283 ± 0.020 *

0.106 ± 0.009

Au

10 ppm

0.256 ± 0.010

0.102 ± 0.007

Au

20 ppm

0.269 ± 0.046

0.107 ± 0.014

Pt

20 ppm

0.267 ± 0.015

0.100 ± 0.002

Pt

40 ppm

0.247 ± 0.017

0.107 ± 0.020

Control

0.243 ± 0.007

0.094 ± 0.007

  1. *Denotes significant differences (p ≤ 0.05) between particular nanometal and unexposed control, means for concentration of given nanometal with no letters are not significantly different at p ≤ 0.05, comparisons were performed by Fisher’s LSD test. Each value represents the mean ± SD
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BMC Plant Biology

ISSN: 1471-2229

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