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Table 1 Effect of PEG and SiO2-NPs on Height, Number of leaves and Leaf area index (LAI), Shoot FW and DW and Biomass of Maragheh and Kashan genotypes

From: Evaluation of nano-silicon efficiency on compatible solutes and nutrient status of Damask rose affected by in vitro simulated drought stress

Genotype

Treatment (SiO2-NPs mg L−1)

Maragheh

Kashan

Maragheh

Kashan

Maragheh

Kashan

Drought (PEG g L−1)

Height (mm)

Height (mm)

Number of leaves

Number of leaves

LAI (mm2)

LAI (mm2)

Control

0

34.0 ± 0.4ab

27.4 ± 0.6hi

13.8 ± 0.5f-i

15.5 ± 0.08cd

229.8 ± 0.6b-d

179.5 ± 1.7f-i

50

33.4 ± 0.3bc

29.8 ± 0.2e-g

15.6 ± 0.1cd

17.2 ± 0.5b

256.1 ± 2.6b

205.6 ± 2.6d-g

100

35.2 ± 0.7a

32.4 ± 0.9cd

16.4 ± 0.8bc

18.8 ± 0.5a

286 ± 1.2a

240.5 ± 1.7bc

0

31.2 ± 0.2de

24.9 ± 0.6kl

12.8 ± 0.7j-m

13.9 ± 0.5f-h

206.7 ± 2.2d-f

160.7 ± 1.5i-l

25

50

29.2 ± 1.5fg

26.6 ± 0.2ij

14.4 ± 0.3e-g

14.7 ± 0.3d-f

218.6 ± 1c-e

171.9 ± 0.9h-j

100

30.6 ± 1.2e

28.7 ± 0.1gh

15.1 ± 0.8de

16.7 ± 0.1b

227.5 ± 1.9cd

178.7 ± 3.1g-i

0

28.9 ± 0.3g

21.39 ± 0.8n

11.7 ± 0.6no

12.9 ± 0.5i-l

125.5 ± 2m-q

140.7 ± 2.2k-o

50

50

34.2 ± 0.4ab

24.0 ± 0.4lm

12.9 ± 0.4i-l

13.8 ± 0.2f-i

195.3 ± 2.8e-h

152.7 ± 2i-m

100

33.2 ± 0.6bc

26.0 ± 0.3jk

13.5 ± 0.4g-j

14.7 ± 0.2d-f

209.1 ± 1.1de

161.8 ± 2.1i-l

0

28.9 ± 0.6g

17.7 ± 0.7q

11.2 ± 0.8op

10.7 ± 0.9p

155.9 ± 2i-l

123.1 ± 1.4n-q

75

50

30.3 ± 0.1ef

20.3 ± 0.6no

12.1 ± 0.2l-o

12.1 ± 0.4l-o

167 ± 2.2i-k

134.2 ± 0.9l-p

100

30.7 ± 0.0e

23.1 ± 0.4m

13.3 ± 0.5h-j

13.2 ± 0.3h-k

179.4 ± 0.6f-i

144.3 ± 0.8j-n

0

27.2 ± 1.5ij

17.5 ± 0.2q

10.6 ± 0.5p

9.6 ± 0.1q

113.1 ± 0.3o-q

0.8863 ± 0.3r

100

50

33.3 ± 0.5bc

18.7 ± 0.2pq

11.9 ± 0.5m-o

10.5 ± 0.2pq

146.7 ± 3.5j-n

107.9 ± 1.1pq

100

33.1 ± 0.8bc

19.5 ± 0.2op

12.3 ± 0.2k-n

11.9 ± 0.06m-o

154.1 ± 2.1i-l

105.5 ± 2.5q

S. O. V

Drought (D)

 

**

**

**

**

**

**

Treatment (T)

 

**

**

**

**

**

**

D × T

 

**

**

**

**

**

**

Genotype (G)

 

**

**

**

**

**

**

D × G

 

**

**

**

**

**

**

T × G

 

**

**

**

**

ns

ns

D × T × G

 

**

**

**

**

**

**

CV

 

2.96

2.96

4.36

4.36

10.09

10.09

Genotype

Treatment (mg L−1 SiO2-NPs)

Maragheh

Kashan

Maragheh

Kashan

Maragheh

Kashan

Drought (PEG g L−1)

Shoot FW (g)

Shoot FW (g)

Shoot DW (g)

Shoot DW (g)

Biomass (%)

Biomass (%)

Control

0

1.8 ± 0.01c

1.3 ± 0.06 h

0.63 ± 0.005c

0.40 ± 0.009kl

34.2 ± 0.06fg

29.2 ± 0.7m

50

2.0 ± 0.01b

1.4 ± 0.01 g

0.73 ± 0.005b

0.49 ± 0.01g

36.3 ± 0.03b-d

33.6 ± 0.6f-h

100

2.0 ± 0.007a

1.5 ± 0.007f

0.77 ± 0.01a

0.59 ± 0.003d

37.1 ± 0.6a-c

37.9 ± 0.6ab

0

1.6 ± 0.01e

1.1 ± 0.03kl

0.51 ± 0.01f

0.35 ± 0.009m

31.5 ± 0.6i-l

31.2 ± 0.9j-l

25

50

1.7 ± 0.01d

1.2 ± 0.02j

0.58 ± 0.004d

0.44 ± 0.006i

33.1 ± 0.3g-i

36.0 ± 0.1c-e

100

1.8 ± 0.006cd

1.2 ± 0.02ij

0.63 ± 0.002c

0.48 ± 0.005h

35.2 ± 0.04d-f

38.7 ± 0.1a

0

1.2 ± 0.01i

0.88 ± 0.008p

0.41 ± 0.005jk

0.28 ± 0.004qr

31.9 ± 0.1i-k

31.6 ± 0.5i-l

50

50

1.3 ± 0.03h

0.95 ± 0.009o

0.48 ± 0.008gh

0.33 ± .003o

34.6 ± 0.5d-g

34.5 ± 0.7e-g

100

1.4 ± 0.01g

1.0 ± 0.004n

0.56 ± 0.01e

0.38 ± 0.007l

37.8 ± 0.1ab

37.6 ± 0.5a-c

0

1.1 ± 0.009l

0.76 ± 0.007r

0.29 ± 0.006p

0.20 ± 0.006tu

26.9 ± 0.4n

26.6 ± 1.8n

75

50

1.1 ± 0.009k

0.79 ± 0.02qr

0.35 ± 0.01mn

0.24 ± 0.006s

30.1 ± 0.4lm

30.3 ± 0.9k-m

100

1.2 ± 0.01j

0.85 ± 0.01pq

0.41 ± 0.008j

0.29 ± 0.004pq

33.8 ± 2.3f-h

34.3 ± 0.3fg

0

1.0 ± 0.02mn

0.65 ± 0.02s

0.21 ± 0.003t

0.14 ± 0.005v

20.3 ± 0.9p

22.3 ± 0.6o

100

50

1.0 ± 0.01n

0.70 ± 0.009s

0.27 ± 0.01r

0.19 ± 0.004u

26.6 ± 0.8n

27.4 ± 0.7n

100

1.0 ± 0.01lm

0.83 ± 0.01q

0.33 ± 0.009no

0.27 ± 0.006r

30.9 ± 0.8 6j-l

32.5 ± 0.4h-j

S. O. V

 Drought (D)

 

**

**

**

**

**

**

 Treatment (T)

 

**

**

**

**

**

**

 D × T

 

**

**

**

**

**

**

 Genotype (G)

 

**

**

**

**

ns

ns

 D × G

 

**

**

**

**

**

**

 T × G

 

ns

ns

ns

ns

**

**

 D × T × G

 

**

**

**

**

**

**

 CV

 

1.84

1.84

2.22

2.22

3.11

3.11

  1. Different letters indicate significant differences in each trait according to the LSD test at P < 0.05. ns, * and ** indicate no significant difference, significant at a 5% probability level and significant at a 1% probability level, respectively. S. O. V. and CV refer to the source of variation and coefficient variation, respectively