Table 2 Effect of seed priming with PEG (30%) on root and shoot length (cm), seedling fresh and dry weight (g) and seedling vigor index of two rice cultivars under different ZnO nanorods concentrations.

From: Seed priming with polyethylene glycol regulating the physiological and molecular mechanism in rice (Oryza sativa L.) under nano-ZnO stress

Cultivars

Priming with

nano-ZnO conc.

Root length

Shoot length

SFW (g)

SDW (g)

SVI

PEG (%)

(mg L−1)

(cm)

(cm)

Zhu Liang You 06

0

0

9.16 ± 0.61 f–h

7.33 ± 0.15 de

0.073 ± 0.01 fg

0.043 ± 0.02 b

1484 ± 29.6 f

250

8.60 ± 0.36 h–j

6.60 ± 0.36 ef

0.070 ± 0.01 gh

0.042 ± 0.05 b

1306 ± 69.9 g

500

8.03 ± 0.25 j

6.03 ± 0.25 f

0.066 ± 0.01 i

0.042 ± 0.05 b

1154 ± 88.6 h

750

5.03 ± 0.45 l

3.83 ± 1.44 g

0.052 ± 0.02 k

0.041 ± 0.03 b

425 ± 21.5 j

30

0

10.93 ± 0.11 ab

8.93 ± 0.11 ab

0.087 ± 0.05 b

0.043 ± 0.01 b

1893 ± 22.8 bc

250

10.53 ± 0.25 bc

7.86 ± 0.92 cd

0.083 ± 0.01 cd

0.042 ± 0.01 b

1717 ± 66.2 de

500

9.80 ± 0.20 d–f

7.83 ± 0.28 cd

0.080 ± 0.01 d

0.042 ± 0.05 b

1625 ± 53.1 e

750

9.16 ± 0.28 f–h

7.26 ± 0.46 de

0.073 ± 0.02 fg

0.041 ± 0.01 b

1084 ± 27.8 h

Qian You No. 1

0

0

9.30 ± 0.62 e–g

7.70 ± 0.17 d

0.076 ± 0.01 ef

0.046 ± 0.05 a

1631 ± 76.1 e

250

8.73 ± 0.32 g–i

6.73 ± 0.51 ef

0.073 ± 0.01 fg

0.046 ± 0.02 a

1422 ± 76.4 fg

500

8.23 ± 0.20 ij

6.23 ± 0.20 f

0.069 ± 0.01 h

0.043 ± 0.05 b

1302 ± 37.4 g

750

5.76 ± 0.68 k

3.76 ± 0.68 g

0.056 ± 0.02 j

0.041 ± 0.01 b

572 ± 36.6 i

30

0

11.26 ± 0.25 a

9.26 ± 0.25 a

0.090 ± 0.05 a

0.046 ± 0.02 b

2053 ± 50.3 a

250

10.73 ± 0.25 ab

8.73 ± 0.25 a–c

0.086 ± 0.01 bc

0.046 ± 0.01 b

1907 ± 49.3 b

500

10.06 ± 0.32 cd

8.06 ± 0.32 b–d

0.083 ± 0.01 cd

0.044 ± 0.01 b

1776 ± 62.7 cd

750

9.90 ± 0.17 c–e

7.90 ± 0.17 cd

0.076 ± 0.03 e

0.042 ± 0.05 b

1408 ± 193.9 fg

  1. The same letters within a column indicate there was no significant difference at a 95% probability level at the p < 0.05 level, respectively.