B9/mg∙L⁻¹

生理指标/ physiological target

茎长/mm

diameter of length

茎径/mm

diameter of stem

有效叶片数/个

effective leaf

根长/mm

length of root

根数/条

quantity of root

0（ck）

76.8a

0.7521c

6.7805c

48.4993b

3.8409c

2

77.8a

0.8204b

7.2586c

64.6397a

4.4479abc

4

70.28ab

0.8319b

8.64b

65.2794a

4.699abc

6

66.6545b

0.8398b

9.41ab

62.4567a

4.7289ab

8

63.1066b

0.8669b

9.828a

68.1a

4.8843a

10

61.4961bc

0.9709a

9.6576ab

67.4383a

4.9174a

15

59.9652bc

0.961a

10.0655a

56.855ab

4.9123a

20

51.7836d

0.9366a

10.2744a

67.146a

4.78ab

25

48.5504d

0.9399a

10.546a

65.37a

4.532bc