Table 1 Individual cotton seed mass and cotton seed production as influenced by plant density, foliar boron nutrition and mepiquat chloride application.

From: Effect of Plant Density, Boron Nutrition and Growth Regulation on Seed Mass, Emergence and Offspring Growth Plasticity in Cotton

Treatments

Individual cotton seed mass (mg)

Cotton seed production (kg ha−1)

2014

2015

2014

2015

Density (D) (plants ha −1 )

53333

76.3 ± 1.2 A

76.1 ± 1.1 A

1580 ± 28 B

1515 ± 25 B

88888

73.6 ± 0.7 B

72.6 ± 0.8 B

1838 ± 33 A

1665 ± 27 A

Boron nutrition (B)

Control

72.5 ± 1.1 B

71.8 ± 1.1 B

1599 ± 37 C

1489 ± 28 C

600 mg/L B

75.3 ± 0.9 A

74.9 ± 1.0 A

1713 ± 34 B

1601 ± 26 B

1200 mg/L B

77.0 ± 1.3 A

76.4 ± 1.9 A

1815 ± 57 A

1680 ± 40 A

Mepiquat chloride (MC)

Control

72.8 ± 0.9 B

71.9 ± 1.0 B

1583 ± 35 C

1481 ± 22 C

Squaring

76.6 ± 1.3 A

76.2 ± 1.9 A

1821 ± 49 A

1682 ± 36 A

Flowering

75.4 ± 0.7 A

75.1 ± 1.1 A

1723 ± 44 B

1607 ± 33 B

Source of variation (Pr > F)

D

0.004

0.002

<0.001

<0.001

B

0.001

0.002

<0.001

<0.001

MC

0.004

0.004

<0.001

<0.001

D × B

0.808

0.917

0.042

0.044

D × MC

0.912

0.947

0.799

0.749

B × MC

0.809

0.956

0.010

0.033

D × B × MC

0.941

0.903

0.874

0.977

  1. Values are mean ± SE of three replications. Means in a column followed by different letters are significantly different at P < 0.05. Interactions with P < 0.05 are italicized to indicate their significance.
Back to article page