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Table 2 The effect of PEG and SiO2-NPs on H2O2, MDA, and protein content of the genotypes ‘Maragheh’ and ‘Kashan’

From: Modulation of physiological and biochemical traits of two genotypes of Rosa damascena Mill. by SiO2-NPs under In vitro drought stress

Treatment

‘Maragheh’

‘Kashan’

‘Maragheh’

‘Kashan’

‘Maragheh’

‘Kashan’

PEG (g L−1)

SiO2-NPs (mg L− 1)

H2O2 (μg L− 1)

H2O2 (μg L− 1)

MDA (nmol g− 1 FW)

MDA (nmol g− 1 FW)

Protein (mg g− 1 FW)

Protein (mg g− 1 FW)

0

0

1.76o

1.647p

1.315q

1.765no

1.95d

1.8ef

50

1.403r

1.511q

1.021r

1.255q

2.017c

1.951d

100

1.203 s

1.274 s

0.8767r

0.8823r

2.209a

2.116b

25

0

2.371 l

2.61ij

2.484hi

2.639gh

1.807ef

1.446jk

50

2.268 m

2.465 k

2.098kl

2.269jk

1.417kl

1.495j

100

2.163n

2.308 lm

1.508p

1.864 m-o

1.647hi

1.656 h

50

0

2.919f

2.921f

2.780 fg

3.015de

1.731 g

1.251n

50

2.542jk

2.683hi

2.355ij

2.779 fg

1.842e

1.327 m

100

2.279 m

2.464 k

1.714o

2.481hi

1.927d

1.436 k

75

0

3.071de

3.123d

3.039c-e

3.217c

1.603i

0.9903q

50

2.746gh

2.826 g

2.52hi

2.893ef

1.645hi

1.17o

100

2.606ij

2.585j

1.9mn

2.574 h

1.797ef

1.231n

100

0

3.893a

3.518b

3.817b

4.122a

1.381 l

0.791 s

50

3ef

3.215c

2.775 fg

3.78b

1.626hi

0.8983r

100

2.721 h

3.012e

1.988 lm

3.12 cd

1.759 fg

1.074p

S. O. V.

Drought (a)

 

**

**

**

**

**

**

Treatment (b)

 

**

**

**

**

**

**

ab

 

**

**

**

**

**

**

Genotype (c)

 

**

**

**

**

**

**

ac

 

**

**

**

**

**

**

bc

 

**

**

**

**

**

**

abc

 

**

**

**

**

**

**

  1. Different letters indicate significant differences in each trait according to the LSD test at P < 0.05. ns, * and ** indicate no significant and significant differences at the 5 and 1% probability levels, respectively. S. O. V. stands for sources of variations