Table 2.

Effects of different silicon (1.0 mM) and PEG-6000 (20%) treatments on chlorophyll contents in the leaves of wheat seedlings (Triticum aestivum L. cv. Longchun 8139)

Treatment	Chlorophyll a (mg g−1 DW)	Chlorophyll b (mg g−1 DW)	Total Chlorophyll (mg g−1 DW)
CK	10.02 ± 0.15 bca	2.97 ± 0.19 b	12.99 ± 0.17 c
Si	9.28 ± 0.14 c	2.70 ± 0.13 b	11.98 ± 0.07 c
PEG	13.41 ± 0.16 a	3.84 ± 0.05 a	17.25 ± 0.12 a
PEG + Si	11.84 ± 0.21 ab	3.35 ± 0.09 ab	15.20 ± 0.19 ab

^a Within each column, means followed by the same small letters are not significantly different according to the LSD test at P ≤ 0.05