Table 1.

Effects of DHAP on seed germination.

Plant	Concentration mM	Germination Rate (% of control)	Germination vigor (% of control)
P. schrenkiana	0	100 a	100 a
	0.1	98.13 ± 4.18 a	91.39 ± 6.03 a
	0.5	94.37 ± 6.25 a	97.84 ± 1.53 a
	1	96.24 ± 4.16 a	86.03 ± 0.58 ab
	2.5	83.56 ± 2.52 b	83.87 ± 1.73 b
	5	85.45 ± 7.02 b	23.65 ± 0.58 c
	10	74.18 ± 5.13 c	0 ± 0 d
Wheat	0	100 a	100 a
	0.1	99.33 ± 0.58 a	98.66 ± 0.58 a
	0.5	97.67 ± 0.58 ab	96.65 ± 1.53 ab
	1	95.67 ± 1.53 b	92.30 ± 1.00 b
	2.5	92.33 ± 4.93 cd	90.30 ± 6.08 bc
	5	94.00 ± 1.00 c	91.30 ± 0 b
	10	89.33 ± 2.08 d	81.60 ± 5.51 c
Lettuce	0	100 a	100 a
	0.1	98.08 ± 3.22 a	88.10 ± 8.74 a
	0.5	84.68 ± 0.58 b	78.37 ± 4.51 bc
	1	81.23 ± 1.07 b	75.13 ± 8.51 c
	2.5	81.23 ± 3.22 b	71.35 ± 5.29 cd
	5	78.93 ± 6.11 bc	62.70 ± 4.62 de
	10	63.60 ± 7.02 c	42.16 ± 6.08 e
Rice	0	100 a	100 a
	0.1	97.56 ± 1.86 a	106.25 ± 2.65 c
	0.5	97.06 ± 3.00 a	112.50 ± 3.61 c
	1	96.53 ± 4.36 a	147.94 ± 0.55 b
	2.5	97.76 ± 1.45 a	131.25 ± 1.61 bc
	5	96.76 ± 3.46 a	104.19 ± 1.53 c
	10	97.59 ± 3.00 a	166.69 ± 2.08 a
Radish	0	100 a	100 a
	0.1	98.97 ± 1.53 a	96.83 ± 5.77 a
	0.5	97.27 ± 0.58 a	94.36 ± 2.08 a
	1	97.60 ± 4.58 a	97.18 ± 5.19 a
	2.5	96.24 ± 2.31 a	94.36 ± 3.22 a
	5	100.00 ± 1.53 a	97.53 ± 1.53 a
	10	97.95 ± 1.53 a	97.53 ± 0.58 a
Cucumber	0	100 a	100 a
	0.1	96.10 ± 2.08 a	96.83 ± 5.77 a
	0.5	96.46 ± 4.51 a	94.36 ± 2.08 a
	1	98.59 ± 4.04 a	97.18 ± 5.19 a
	2.5	96.46 ± 2.52 a	94.36 ± 3.22 a
	5	97.52 ± 3.51 a	97.53 ± 1.53 a
	10	96.10 ± 4.51 a	97.53 ± 0.58 a

Means within a column followed by the same letter are not different at P = 0.05 level according to Fisher’s test; each point is the mean of three replicates ± s.d.