Table 4 Comprehensive response index (RI) of different indexes of 4 cultivars under different treatments

MDA contents

36.60

69.66

15.68

47.37

51.13

107.06

65.40

84.38

56.21

90.31

19.09

62.00

POD activity

23.32

65.75

23.90

93.84

196.78

267.52

9.37

125.27

162.22

202.58

-0.16

131.31

SOD activity

6.80

71.48

29.14

38.56

21.47

68.98

30.30

33.01

-19.14

113.13

-48.21

61.02

CAT activity

44.71

-5.43

-20.73

-52.80

55.78

4.81

-17.10

-60.52

38.38

5.54

-4.55

-41.09

NPT contents

97.24

137.58

102.86

52.65

96.88

137.38

49.58

45.18

65.31

65.47

64.11

57.69

GSH contents

325.31

136.77

386.16

139.08

294.23

28.27

163.01

16.93

227.05

41.49

195.03

109.72

PCs contents

119.23

136.95

127.23

-24.66

221.82

576.47

161.00

49.16

114.93

11.06

168.18

-5.74

γ-ECS activity

22.97

25.93

14.51

50.15

22.38

31.51

34.97

35.82

32.84

29.24

21.36

20.82

GSS activity

18.60

24.12

20.58

34.75

29.21

26.93

27.04

37.07

17.85

12.38

18.55

4.40

PCSase activity

27.88

29.01

27.23

36.34

5.23

29.36

43.51

1.24

35.31

11.55

30.78

43.19

AR activity

14.04

15.97

12.90

13.13

47.03

45.26

36.39

49.63

8.01

35.29

36.74

42.90

RI

736.71

707.80

739.46

428.41

1041.94

1323.54

603.46

417.17

738.98

618.04

500.92

486.22