Primary branches

Secondary branches

Branches

Treatment

Surviving branches

Retrograde branches

Differentiated branches

Retrograde percentage (%)

Surviving branches

Retrograde branches

Differentiated branches

Retrograde percentage (%)

Surviving branches

Retrograde branches

Differentiated branches

Retrograde percentage (%)

Chongzhou

S1V1

12.47^b

0.008^a

12.48^b

0.067^b

44.88^b

18.45^b

63.33^b

29.12^ab

57.35^b

18.46^b

75.81^b

24.34^ab

S1V2

11.53^de

0.008^a

11.54^de

0.073^b

38.30^c

13.13^c

51.43^c

25.53^b

49.83^c

13.14^c

62.97^c

20.86^b

S1V3

12.18^bc

0.051^a

12.23^bc

0.421^ab

44.18^b

18.52^b

62.70^b

29.66^ab

56.36^b

18.57^b

74.93^b

24.88^ab

S1V4

11.20^e

0.095^a

11.29^f

0.851^a

37.00^c

16.71^b

53.71^c

31.02^ab

48.19^c

16.80^b

65.00^c

25.80^a

S2V1

13.05^a

0.056^a

13.10^a

0.427^ab

53.02^a

24.21^a

77.23^a

31.36^a

66.06^a

24.27^a

69.68

26.87^a

S2V2

12.03^bcd

0.033^a

12.07^bc

0.272^ab

34.07^c

15.35^bc

49.41^c

31.06^ab

46.10^c

15.38^bc

90.33^a

25.02^ab

S2V3

12.38^b

0.028^a

12.41^b

0.222^ab

51.24^a

22.38^a

73.62^a

30.38^ab

63.62^a

22.41^a

61.48^c

26.03^a

S2V4

11.80^cd

0.074^a

11.87^cd

0.622^ab

43.67^b

18.48^b

62.15^b

29.79^ab

55.47^b

18.55^b

86.03^a

25.10^ab

Mean

12.08

0.044

12.12

0.369

43.29

18.40

61.70

29.74

55.37

18.45

73.82

24.86

F-value

S

16.98**

0.07

20.48**

0.05

14.65**

19.78**

47.93**

2.36

16.45**

19.90**

50.51**

3.17

V

23.61**

2.24

26.30**

2.61

27.85**

17.52**

67.28**

0.68

29.66**

17.59**

69.38**

1.64

S × V

0.65

0.94

0.94

0.87

6.33**

1.41

9.40**

1.46

5.77**

1.44

8.76**

1.06

Hanyuan

S1V1

11.75^ab

0.029^c

11.78^ab

0.250^c

44.60^a

16.92^d

61.52^a

27.54^e

56.35^a

16.95^e

73.30^a

23.15^e

S1V2

10.20^d

0.124^bc

10.33^d

1.22^bc

28.20^d

13.65^e

41.85^c

32.64^cd

38.41^c

13.77^f

52.18^c

26.42^cd

S1V3

11.20^bc

0.102^bc

11.30^bc

0.912^bc

41.05^ab

21.16^b

62.21^a

34.03^bc

52.24^a

21.26^b

73.50^a

28.94^b

S1V4

10.54^cd

0.464^a

11.00^c

4.24^a

34.90^c

18.87^c

53.77^b

35.14^bc

45.44^b

19.34^d

64.78^b

29.89^b

S2V1

11.45^ab

0.050^c

11.50^abc

0.445^bc

42.95^ab

20.96^b

63.91^a

32.34

54.40^a

21.01^bc

65.94

27.86^bc

S2V2

10.00^d

0.061^bc

10.06^d

0.614^bc

29.05^d

12.40^f

41.46^c

32.79^cd

39.05^c

12.47^g

75.41^a

24.28^de

S2V3

11.93^a

0.075^bc

12.00^a

0.624^bc

39.56^b

24.96^a

64.52^a

30.04^de

51.49^a

25.03^a

51.51^c

32.74^a

S2V4

11.20^bc

0.253^b

11.45^abc

2.23^b

34.91^c

19.61^c

54.52^b

38.74^a

46.10^b

19.86^cd

76.52^a

30.12^b

Mean

11.03

0.145

11.18

1.32

36.90

18.57

55.47

33.37

47.93

18.71

66.64

27.92

F-value

S

2.14

2.45

1.50

2.67

0.30

32.13**

1.17

8.48*

0.099

29.12**

1.32

8.78**

V

21.95**

10.78**

31.34**

9.85**

40.81**

164.27**

74.80**

18.83**

43.55**

161.89**

77.30**

27.12**

S×V

3.31*

1.29

4.22*

1.32

0.34

15.49**

0.33

6.68**

0.322

15.79**

0.41

8.12**