Stand count, crop vigor, canopy coverage, and seed cotton yield of cotton cultivars planted at the MRRS field in 2023_ DAP refers to days after planting_ Values sharing the same letter within a column do not differ significantly (P-value>0_05)_
| Cultivar | Stand Count (#/ha) | Vigor (%) | Canopy Coverage (%) | Seed Cotton Yield (kg/ha) | ||||
|---|---|---|---|---|---|---|---|---|
| 14 DAP | 28 DAP | |||||||
| DP 1646 B2XF | 60,504 | ab | 67,302 | 70 | bc | 29 | c | 3,879 |
| DP 2141NR B3XF | 72,061 | a | 81,579 | 94 | a | 35 | bc | 3,982 |
| PHY 340 W3FE | 40,790 | b | 57,785 | 66 | c | 32 | bc | 3,646 |
| PHY 332 W3FE | 63,901 | ab | 64,578 | 83 | ab | 44 | a | 3,578 |
| PHY 411 W3FE | 66,622 | ab | 70,701 | 90 | a | 40 | ab | 3,938 |
| PHY 443 W3FE | 41,469 | b | 81,577 | 92 | a | 45 | a | 3,537 |
| P-value | 0.008 | 0.148 | <0.001 | <0.001 | 0.517 | |||
Soil population densities of reniform nematode (Rotylenchulus reniformis) at planting, mid-season, and harvest at the NERS field in 2022_ Values sharing the same letter within a column do not differ significantly (P-value>0_05)_
| Cultivar | R. reniformis / 500 cm3 soil | ||||
|---|---|---|---|---|---|
| At Plant | Mid-Season | Harvest | |||
| DP 1646 B2XF | 5,472 | 13,328 | a | 15,744 | a |
| DP 2141NR B3XF | 6,112 | 5,762 | b | 11,128 | ab |
| PHY 332 W3FE | 8,000 | 9,056 | ab | 9,088 | ab |
| PHY 411 W3FE | 8,832 | 8,096 | b | 6,688 | b |
| PHY 443 W3FE | 7,392 | 7,072 | b | 7,104 | b |
| P-value | 0.583 | 0.047 | 0.015 | ||
Soil population densities of reniform nematode (Rotylenchulus reniformis) at planting, mid-season, and harvest at the MRRS field in 2022_ Values sharing the same letter within a column do not differ significantly (P-value>0_05)_
| Cultivar | R. reniformis / 500 cm3 soil | ||||
|---|---|---|---|---|---|
| At Plant | Mid-Season | Harvest | |||
| DP 1646 B2XF | 20,384 | 23,232 | a | 47,616 | a |
| DP 2141NR B3XF | 17,152 | 13,200 | b | 27,776 | ab |
| PHY 332 W3FE | 17,408 | 12,416 | b | 22,016 | ab |
| PHY 411 W3FE | 25,952 | 14,184 | b | 14,144 | b |
| PHY 443 W3FE | 24,160 | 18,176 | ab | 26,304 | ab |
| P-value | 0.293 | 0.044 | 0.048 | ||
Stand count, crop vigor, canopy coverage, and seed cotton yield of cotton cultivars planted at the NERS field in 2023_ DAP refers to days after planting_ Values sharing the same letter within a column do not differ significantly (P-value>0_05)_
| Cultivar | Stand Count (#/ha) | Vigor (%) | Canopy Coverage (%) | Seed Cotton Yield (kg/ha) | ||||
|---|---|---|---|---|---|---|---|---|
| 14 DAP | 28 DAP | |||||||
| DP 1646 B2XF | 48,947 | 61,865 | 81 | ab | 60 | b | 2,743 | bc |
| DP 2141NR B3XF | 61,865 | 54,385 | 75 | ab | 78 | ab | 2,484 | c |
| PHY 340 W3FE | 43,508 | 46,906 | 70 | b | 64 | b | 2,360 | c |
| PHY 332 W3FE | 55,744 | 70,022 | 98 | a | 87 | a | 4,265 | a |
| PHY 411 W3FE | 53,706 | 62,545 | 76 | ab | 71 | ab | 3,625 | ab |
| PHY 443 W3FE | 41,469 | 45,549 | 78 | ab | 74 | ab | 2,743 | bc |
| P-value | 0.435 | 0.071 | 0.022 | 0.031 | <0.001 | |||
Stand count, crop vigor, canopy coverage, and seed cotton yield of cotton cultivars planted at the NERS field in 2022_ DAP refers to days after planting_ Values sharing the same letter within a column do not differ significantly (P-value>0_05)_
| Cultivar | Stand Count (#/ha) | Vigor (%) | Canopy Coverage (%) | Seed Cotton Yield (kg/ha) | |||
|---|---|---|---|---|---|---|---|
| 14 DAP | 28 DAP | ||||||
| DP 1646 B2XF | 92,457 | 67,302 | 68 | c | 22 | b | 3,192 |
| DP 2141NR B3XF | 108,091 | 95,175 | 75 | bc | 35 | ab | 2,899 |
| PHY 332 W3FE | 105,373 | 89,736 | 96 | a | 42 | a | 2,979 |
| PHY 411 W3FE | 99,255 | 89,057 | 88 | ab | 41 | a | 3,168 |
| PHY 443 W3FE | 105,373 | 98,575 | 95 | a | 41 | a | 3,256 |
| P-value | 0.714 | 0.164 | <0.001 | 0.001 | 0.861 | ||
Stand count, crop vigor, canopy coverage, and seed cotton yield of cotton cultivars planted at the MRRS field in 2022_ DAP refers to days after planting_ Values sharing the same letter within a column do not differ significantly (P-value>0_05)_
| Cultivar | Stand Count (#/ha) | Vigor (%) | Canopy Coverage (%) | Seed Cotton Yield (kg/ha) | |||
|---|---|---|---|---|---|---|---|
| 14 DAP | 28 DAP | ||||||
| DP 1646 B2XF | 65,263 | 67,302 | 76 | c | 30 | b | 1,551 |
| DP 2141NR B3XF | 67,984 | 67,984 | 84 | b | 35 | ab | 1,469 |
| PHY 332 W3FE | 90,416 | 87,018 | 98 | a | 39 | ab | 1,534 |
| PHY 411 W3FE | 77,500 | 79,541 | 97 | a | 41 | a | 1,528 |
| PHY 443 W3FE | 64,583 | 60,504 | 91 | ab | 42 | a | 1,578 |
| P-value | 0.160 | 0.171 | <0.001 | 0.022 | 0.993 | ||
Soil population densities of reniform nematode (Rotylenchulus reniformis) at planting, mid-season, and harvest at the MRRS field in 2023_ Values sharing the same letter within a column do not differ significantly (P-value>0_05)_
| Cultivar | R. reniformis / 500 cm3 soil | |||
|---|---|---|---|---|
| At Plant | Mid-Season | Harvest | ||
| DP 1646 B2XF | 4,480 | 8,576 | 95,740 | a |
| DP 2141NR B3XF | 5,504 | 4,160 | 66,896 | ab |
| PHY 340 W3FE | 4,096 | 6,016 | 87,984 | a |
| PHY 332 W3FE | 3,520 | 6,464 | 38,724 | b |
| PHY 411 W3FE | 4,672 | 3,200 | 45,696 | b |
| PHY 443 W3FE | 4,160 | 5,760 | 68,752 | ab |
| P-value | 0.924 | 0.786 | 0.048 | |
Soil population densities of reniform nematode (Rotylenchulus reniformis) at planting, mid-season, and harvest at the NERS field in 2023_ Values sharing the same letter within a column do not differ significantly (P-value>0_05)_
| Cultivar | R. reniformis / 500 cm3 soil | ||||
|---|---|---|---|---|---|
| At Plant | Mid-Season | Harvest | |||
| DP 1646 B2XF | 704 | 10,624 | a | 77,696 | a |
| DP 2141NR B3XF | 2,624 | 3,520 | b | 39,940 | bc |
| PHY 340 W3FE | 2,560 | 11,520 | a | 73,216 | ab |
| PHY 332 W3FE | 2,432 | 3,200 | b | 31,488 | c |
| PHY 411 W3FE | 1,088 | 3,840 | b | 15,168 | c |
| PHY 443 W3FE | 320 | 4,288 | b | 20,736 | c |
| P-value | 0.218 | <0.001 | <0.001 | ||