| The Georgia Agricultural Experiment Stations College of Agricultural and Environmental Sciences The University of Georgia |
Research Report Number 671 January, 2001 |
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| Tifton, Georgia: Later Maturity Cotton Variety Performance, 2000, Irrigated | ||||||
| Variety | Lint Yield | Lint | Uniformity Index | Length | Strength | Micronaire |
| lb/acre | % | % | inches | g/tex | units | |
| DELTAPEARL | 782 | 44.2 | 83.4 | 1.10 | 31.8 | 5.5 |
| AP7126 | 777 | 42.3 | 81.7 | 1.06 | 30.6 | 4.9 |
| PSC GA 161 | 748 | 40.4 | 81.0 | 1.08 | 32.8 | 4.9 |
| NUCOTN35B | 718 | 40.5 | 81.5 | 1.06 | 31.2 | 5.0 |
| DP5415RR | 692 | 40.0 | 81.3 | 1.05 | 30.4 | 5.1 |
| SG821 | 681 | 42.4 | 82.4 | 0.98 | 30.3 | 5.7 |
| DP5690 | 678 | 41.9 | 80.5 | 1.00 | 31.8 | 5.4 |
| FM989 | 676 | 44.9 | 80.6 | 0.98 | 32.0 | 5.4 |
| PSCGA894 | 672 | 41.2 | 81.0 | 1.04 | 33.4 | 5.2 |
| NUCOTN33B | 671 | 39.3 | 81.8 | 1.03 | 29.4 | 5.5 |
| FM966 | 660 | 45.2 | 83.4 | 1.07 | 35.9 | 5.0 |
| AP4600RR | 658 | 42.8 | 81.7 | 0.96 | 30.4 | 4.8 |
| DP458BRR | 655 | 40.6 | 82.5 | 1.04 | 29.6 | 5.1 |
| PSC952 | 650 | 43.7 | 82.2 | 1.01 | 31.6 | 5.4 |
| DP5690RR | 643 | 41.8 | 82.4 | 1.02 | 32.4 | 5.4 |
| SS9815 | 638 | 41.5 | 81.8 | 1.03 | 29.2 | 5.0 |
| LIGUR | 632 | 40.8 | 81.8 | 1.05 | 33.0 | 5.2 |
| DP90RR | 631 | 40.1 | 80.7 | 0.99 | 31.6 | 5.5 |
| DP5415 | 630 | 41.1 | 80.5 | 0.99 | 28.7 | 5.3 |
| DP655BRR | 629 | 39.6 | 81.8 | 1.06 | 31.9 | 4.4 |
| ST 580 | 622 | 42.0 | 81.2 | 1.05 | 32.1 | 5.6 |
| PSCHS12 | 616 | 39.1 | 81.9 | 1.10 | 30.6 | 4.6 |
| DP90 | 615 | 40.0 | 81.6 | 1.03 | 32.5 | 5.0 |
| DP675 | 610 | 40.7 | 81.8 | 1.07 | 30.7 | 5.0 |
| AP6101 | 592 | 40.6 | 81.1 | 1.00 | 31.3 | 5.8 |
| PM1560BR | 592 | 40.9 | 81.8 | 1.04 | 30.0 | 4.7 |
| CALM557 | 519 | 41.4 | 80.6 | 0.97 | 29.8 | 4.7 |
| CALM657 | 516 | 43.9 | 81.1 | 0.97 | 31.8 | 4.6 |
| CALM539 | 414 | 42.7 | 81.1 | 1.03 | 31.5 | 5.1 |
| CALM643 | 409 | 39.7 | 81.6 | 1.03 | 33.5 | 5.0 |
| Average | 634 | |||||
| LSD 0.10 | 72 | - | NS | 0.07 | 2.2 | NS |
| Bolding indicates entries not significantly different from highest yielding entry based on Fisher's protected LSD (P = 0.10). | ||||||
| Planted: | April 27, 2000. | |||||
| Harvested: | September 12, 2000. | |||||
| Fertilization: | 88 lb N, 54 lb P2O5, and 108 lb K2O/acre. | |||||
| May | June | July | Aug. | Sept. | Oct. | |
| Rainfall (in): | 0.60 | 2.21 | 3.55 | 3.74 | 12.24 | 0.76 |
| Irrigation (in): | - | 0.75 | 0.75 | |||
| Trials conducted by Larry Thompson, Grant Henderson, and Lloyd May. | ||||||
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