Otwarty dostęp

Cotton host resistance as a tool for managing Rotylenchulus reniformis in Louisiana

Tristan T. Watson
Tristan T. Watson
   | 22 kwi 2024
Journal of Nematology's Cover Image
O artykule
Poprzedni artykuł
Następny artykuł
Zacytuj
Article Category: Research Paper
Data publikacji: 22 kwi 2024
Zakres stron: -
Otrzymano: 15 gru 2023
DOI: https://doi.org/10.2478/jofnem-2024-0014
Słowa kluczowe
© 2024 Tristan T. Watson, published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

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
eISSN:
2640-396X
Język:
Angielski
Częstotliwość wydawania:
Volume Open
Dziedziny czasopisma:
Life Sciences, other
Kanał RSS czasopisma