Dryland Spacing Tests – Performance Data – Lubbock

Table 55. Results of the dryland spacing study at the Texas Agricultural Experiment Station, Lubbock, Texas, 1999.
Agronomic Properties % Open
Spacing % Turnout % Lint Boll Seed Lint Seed Per Bolls
Designation Plts/ft Yield Lint Seed Picked Pulled Size Index Index Boll 9-8-99
Paymaster 2326 RR 6 446 25.1 46.2 36.9 27.6 4.2 9.7 5.9 25.8 55
Paymaster 183 4 437 26.2 46.4 35.8 25.1 4.1 9.6 5.5 26.6 65
Bronco 73 2 419 26.0 47.6 35.6 27.0 5.4 11.4 6.5 29.7 62
Paymaster 2326 RR 4 410 26.2 46.5 35.9 26.6 4.3 9.1 5.5 27.8 65
Bronco 73 1 405 26.8 46.9 35.6 26.4 5.4 11.1 6.4 30.4 50
Paymaster 2326 RR 2 405 27.2 46.2 36.9 27.2 4.2 9.3 5.8 27.3 49
All-Tex Excess+ 6 401 23.2 44.7 34.3 24.6 4.8 11.2 6.3 26.0 59
Paymaster 2326 RR 1 396 26.9 46.2 36.4 26.9 4.7 9.5 5.7 29.7 42
Bronco 73 4 385 25.1 47.1 35.6 27.3 5.0 10.6 6.1 29.0 64
Paymaster 183 1 370 26.8 46.1 36.2 26.5 4.1 9.3 5.5 27.4 64
Paymaster 183 2 368 25.8 46.7 36.0 26.4 4.4 9.2 5.4 29.4 80
Bronco 73 6 363 26.4 47.5 36.1 26.6 4.5 9.6 5.7 28.3 66
Paymaster 183 6 350 25.7 47.3 35.3 25.1 4.1 10.3 5.8 24.9 67
All-Tex Excess+ 4 350 23.0 43.7 34.4 24.4 5.1 11.1 6.2 27.9 68
All-Tex Excess+ 2 340 22.7 43.4 33.3 24.2 5.4 11.1 5.9 29.9 56
All-Tex Excess+ 1 323 24.0 44.7 34.3 24.7 5.7 11.1 6.1 32.0 48
Mean 385 25.5 46.0 35.5 26.0 4.7 10.1 5.9 28.4 60
C.V. % 17.5 3.1 2.1 2.4 3.2 6.2 4.0 5.0 6.0 30.9
LSD 0.05 80 1.0 1.2 1.1 1.0 0.4 0.5 0.4 2.1 22
Table 55A. Results of the dryland spacing study test at the Texas Agricultural Experiment Station, Lubbock, Texas, 1999.
Spacing Micro- Uni- Elon- Leaf Color
Designation plts/ft naire Length formity Strength gation Index Rd +b Grade1/
Paymaster 2326 RR 6 4.3 0.99 82.0 28.8 5.8 1 76.9 9.5 21-4
Paymaster 183 4 4.8 0.89 80.6 23.7 4.4 1 74.1 10.6 22-2
Bronco 73 2 4.0 0.99 80.8 26.0 5.1 1 75.5 10.1 21-4,22-2
Paymaster 2326 RR 4 4.6 0.99 82.2 28.2 5.2 1 76.6 9.6 21-4
Bronco 73 1 4.2 0.95 80.9 25.6 5.3 1 77.4 9.7 21-3,21-4
Paymaster 2326 RR 2 4.7 0.99 82.0 29.1 5.2 1 76.8 9.7 21-3,21-4
All-Tex Excess+ 6 4.0 1.03 81.8 31.8 5.4 1 76.5 9.2 31-3
Paymaster 2326 RR 1 4.8 1.00 83.4 30.1 5.2 1 76.8 9.7 21-3,21-4
Bronco 73 4 4.0 1.01 81.5 26.6 5.7 1 75.8 9.8 21-4,31-3
Paymaster 183 1 5.0 0.89 80.3 23.9 4.5 1 74.4 10.6 22-2
Paymaster 183 2 4.7 0.90 80.1 24.6 4.5 1 74.5 10.8 22-2
Bronco 73 6 3.9 0.97 80.4 25.7 5.3 1 75.8 10.0 21-4,22-2
Paymaster 183 6 4.6 0.87 80.4 24.5 4.7 1 74.3 10.6 22-2
All-Tex Excess+ 4 4.1 1.03 82.3 32.0 5.8 1 77.1 9.1 21-4,31-3
All-Tex Excess+ 2 4.1 1.04 83.0 32.0 5.6 1 77.1 9.1 21-4,31-3
All-Tex Excess+ 1 4.3 1.01 82.8 32.4 5.5 1 77.5 9.1 21-4
Mean 4.4 0.97 81.5 27.8 5.2 1.0 76.0 9.8
C.V.% 3.6 1.3 0.6 3.4 6.1 0.0 0.6 1.3
LSD 0.05 0.3 0.02 0.9 1.6 0.5 0.0 0.8 0.2

1/ Fiber quality determinations were made on samples from two reps. If the color grade from these two samples were identical, only one color grade is reported. If they were different, both are reported.

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