View Full Table | Close Full ViewTable 1.

Advanced fiber information system (AFIS) fiber length, upper quartile length (UQL), fiber fineness, and maturity ratio as a function of irrigation rate, plant density, and cultivar in studies conducted in Lamesa, TX, in 2006 and 2007. The data presented are the mean of all seed positions.

 
Fiber length UQL Fineness Maturity ratio
Main effects 2006 2007 2006 2007 2006 2007 2006 2007
mm cm mTex
Irrigation, mm d−1 6.33 2.72a† 26.2a 3.20a 3.18a 171.26b 174.47a 0.912b 0.911a
4.32 26.4b 25.9a 3.10b 3.12a 176.07a 179.26a 0.929a 0.923a
Plant density, plants ha−1 79,000 26.9A‡ 26.2A 3.1A 3.15A 175.25A 181.4A 0.92A 0.927A
128,400 26.7A 26.2A 3.1A 3.1A 173.85AB 173.0B 0.91A 0.914B
197,600 26.7A 25.9A 3.15A 3.12A 171.90B 176.1B 0.90B 0.911B
Cultivar FM9063B2RF 27.7d§ 26.9d 3.30d 3.25d 167.16e 174.16e 0.924d 0.922d
ST4554B2RF 25.9e 25.4e 3.02e 3.05e 180.17d 179.57d 0.908e 0.911e
Source of variation p>F
Irrigation (I) <0.001 0.51 0.002 ns <0.001 0.09 <0.001 0.06
Plant density (P) ns¶ ns ns ns 0.02 0.02 0.04 <0.001
Cultivars (C) <0.001 <0.001 <0.001 <0.001 <0.001 <0.001 0.03 <0.001
I × P ns ns ns ns ns ns ns 0.06
I × C ns ns ns ns ns ns ns ns
P × C ns ns ns ns ns ns ns ns
I × P × C ns ns ns ns ns ns ns ns
a, b denote the differences between irrigation rates.
A, B denote the differences between plant densities.
§ d, e denote the differences between cultivars.
ns denotes not significant at 5% level.



View Full Table | Close Full ViewTable 2.

Advanced fiber information system (AFIS) fiber length, upper quartile length (UQL), fineness, and maturity ratio in studies conducted in Lamesa, TX, in 2006 and 2007. The data represents the seed positions main effect across all treatments.

 
Fiber length UQL Fineness Maturity ratio
Seed position 2006 2007 2006 2007 2006 2007 2006 2007
mm cm mTex
−4 26.9 26.2 3.14bc† 3.13bc 177.0 182.5 0.918 0.928
−3 27.1 26.6 3.17ab 3.16a 179.2 184.2 0.928 0.935
−2 27.4 26.6 3.20a 3.18a 177.6 180.0 0.927 0.928
−1 27.0 26.2 3.19a 3.16a 170.6 172.9 0.913 0.912
0 26.7 26.1 3.16bc 3.16a 169.8 172.3 0.909 0.911
1 26.5 25.9 3.15bc 3.14c 169.4 172.3 0.904 0.906
2 26.6 25.9 3.17ab 3.14c 171.5 175.3 0.904 0.908
3 26.4 25.8 3.13c 3.11c 173.2 177.0 0.900 0.906
4 26.2 25.4 3.09d 3.07d 174.5 175.8 0.898 0.900
Source of variation p>F
S‡ <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001 <0.0001
I × S 0.0141 0.0297 ns§ ns 0.0139 0.0321 0.0143 0.0311
P × S ns ns ns ns ns ns ns ns
I × P × S ns ns ns ns ns ns ns ns
C × S ns ns ns ns 0.0003 0.0017 <0.0001 <0.0001
I × C × S ns ns ns ns ns ns ns ns
P × C × S ns ns ns ns ns ns ns ns
I × C × P × S ns ns ns ns ns ns ns ns
a, b,c,d,e denote the differences between seed positions at 5% level.
S denotes seed position; I denotes irrigation rates; P denotes plant density; and C denotes cotton cultivars.
§ ns denotes not significant at 5% level.