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Table 2 Growth characteristics of Bt and non-Bt cotton cultivars grown with different levels and methods of B application

From: Growth, yield and fiber quality characteristics of Bt and non-Bt cotton cultivars in response to boron nutrition

Treatments

Plant height /cm

Monopodial branch numbers per plant

Sympodial branch numbers per plant

Leaf area /m2

Bt

Non-Bt

Bt

Non-Bt

Bt

Non-Bt

Bt

Non-Bt

CK

45.1f

51.0ef

1.3de

1.1e

7.0ef

6.3e

69.0g

72.9g

SB1

49.4de

61.8d

4.4b

2.1cd

10.3cd

14.2a

94.5d

88.0de

SB2

51.4d

72.8bc

2.1d

4.9a

11.9c

15.3a

110.2bc

97.4c

SB3

54.9cd

70.1c

3.2c

3.2bc

14.0b

9.4cd

92.8d

103.2b

FB1

64.5a

67.4cd

3.4c

3.3bc

11.4c

12.0b

86.2e

74.8g

FB2

57.8bc

69.2c

3.2c

2.4cd

14.2ab

13.2ab

85.4e

88.4de

SB1 + FB1

65.2a

61.5d

2.9cd

1.9d

15.9a

12.1b

94.8d

82.7e

SB1 + FB2

63.7a

85.3a

3.9bc

2.2cd

12.2bc

13.4ab

80.0ef

89.1d

SB2 + FB1

59.4ab

65.9cd

3.1c

2.1cd

14.1ab

13.0b

97.3d

89.3d

SB2 + FB2

60.3a

59.8de

3.3c

3.3bc

11.4c

11.4bc

111.0bc

111.3a

SB3 + FB1

57.7bc

64.5cd

5.1ab

1.9d

12.3bc

11.3bc

113.4b

100.4bc

SB3 + FB2

60.4b

59.2de

6.2a

2.1cd

11.9c

9.5cd

126.2a

76.5g

  1. Values are means of three replicates with two plants per replicate (n = 3). Values with the same letter in a column do not differ significantly at P ≤ 0.05. CK: Control; SB1: 1 mg·kg−1 B through soil application; SB2: 2 mg·kg−1 B; SB3: 3 mg·kg−1 B; FB1: 0.2% B foliar spray; FB2: 0.4% B foliar spray; SB1 + FB1: 1 mg·kg−1 B + 0.2% B foliar spray; SB1 + FB2: 1 mg·kg−1 B + 0.4% B foliar spray; SB2 + FB1: 2 mg·kg−1 B + 0.2% B foliar spray; SB2 + FB2: 2 mg·kg−1 B + 0.4% B foliar spray; SB3 + FB1: 3 mg·kg−1 B + 0.2% B foliar spray; SB3 + FB2: 3 mg·kg−1 B + 0.4% B foliar spray