Skip to main content

Table 3 Fiber quality characteristics of full irrigated (FI) and half irrigated (HI) and rain-fed (RF) cotton grown in Dundee silt loam with single-row (SR) and twin-row (TR) planting geometries estimated by advanced fiber information systems (AFIS)

From: Effects of irrigation and planting geometry on cotton (Gossypium hirsutum L.) fiber quality and seed composition

Treatment

Planting geometry

Nep / (g− 1)

Fiber length (Ln) /mm

SFC (n) / %

VFM / %

2018

2019

Mean

2018

2019

Mean

2018

2019

Mean

2018

2019

Mean

FI

SR

155.2 b

132.5 b

143.9 b

23.88

23.11

23.5 a

22.8

21.9

22.4

3.15 a

8.14 a

5.65 a

TR

168.9 ab

141.5 a

155.2 a

23.37

23.62

23.5 a

22.5

22.1

22.3

3.12 a

8.24 a

5.68 a

HI

SR

176.4 a

146 a

161.2 a

23.62

23.11

23.4 a

23.6

22.5

23.0

2.61 b

7.80 a

5.21 b

TR

168.4 ab

132.6 b

150.5 b

23.62

23.11

23.4 a

22.5

23.3

22.9

2.62 b

7.70 a

5.16 b

RF

SR

102.6 c

84.5 c

93.6 c

21.59

21.08

21.3 b

21.5

20.8

21.3

2.50 b

6.84 a

4.67 c

TR

95.8 c

88.6 c

92.2 c

21.84

21.34

21.6 b

20.6

20.5

20.5

2.66 b

5.82 a

4.24 c

Treatment

Planting geometry

SFCn

UQLw / mm

Maturity ratio

Fineness / mtex

2018

2019

Mean

2018

2019

Mean

2018

2019

Mean

2018

2019

Mean

FI

SR

8.15 a

7.1 ab

7.63 c

33.8 a

32.8 bcd

33.3 a

0.94 b

0.94 c

0.94 c

166.2 c

176.5 bc

171.4 b

TR

7.17 ab

6.8 ab

6.99 a

33.5 ab

32.7 bcd

33.3 a

0.93 c

0.95 b

0.94 c

167.8 c

173.4 c

170.6 b

HI

SR

7.41 ab

6.4 b

6.91 a

33.5 ab

32.5 cd

33.0 b

0.95 b

0.95 b

0.95 b

172.5 b

178.3 b

175.4 b

TR

7.10 ab

6.4 b

6.75 b

33.8 a

32.5 cd

33.3 a

0.93 c

0.95 b

0.94 c

173.1 b

177.6 b

175.4 b

RF

SR

6.62 c

7.1 ab

6.86 a

33.0 abc

32.3 d

32.8 c

0.96 a

0.97 a

0.97 a

182.2 a

184.7 a

183.5 a

TR

6.35 c

6.8 ab

6.58 d

32.8 bc

32.3 d

32.6 d

0.97 a

0.97 a

0.97 a

185.4 a

186.8 a

186.1 a

  1. Means in each column followed by the same letter or letters are not statistically different by LSD means (P ≤ 0.05)
  2. VFM visible foreign matter, SFCn short fiber content by number, UQLw upper quartile length by weight