Factors

Levels

Rooting rate/%

Average number of root

Average length of root/cm

Root effect index

A-hormone type

NAA

83.15b

33.67a

-

-

IBA

91.48a

21.89b

-

-

NAA:IBA(2:3)

91.11a

21.67b

-

-

R

8.34

12.00

1.10

3.76

B-hormone concentration

1000

80.37b

18.22b

-

-

2000

90.56a

28.22a

-

-

3000

94.82a

30.78a

-

-

R

14.45

12.55

1.23

2.47

C-substrate

perlite

69.63b

15.44c

2.91b

3.48c

Peat soil:perlite (1:1)

96.11a

28.00b

5.28a

9.50b

Peat soil:perlite:vermiculite (2:1:1)

100.00a

33.78a

5.34a

12.14a

R

30.37

18.33

2.43

8.66

D-cutting position

upper

83.70c

15.89b

-

4.85b

middle

94.26a

28.33a

-

11.30a

lower

87.78b

33.00a

-

8.97a

R

10.56

17.12

1.10

6.45