Table 4 Results of ANOVA and Duncan test using qualitative growth variation (cell diameter, lumen diameter, cell wall thickness) (***: p < 0.001)

CD (cell diameter)

OTC I

33.29

7.35

7.79

***

a

OTC II

31.67

6.50

b

OTC III

32.98

6.76

a

LD (lumen diameter)

OTC I

24.99

8.37

9.64

***

a

OTC II

23.17

6.74

b

OTC III

24.94

7.18

a

CWT (cell wall thickness)

OTC I

3.76

1.13

11.31

***

b

OTC II

3.75

1.05

b

OTC III

4.05

1.19

a