Trifloxysulfuron Plus Pyrithiobac Mixtures for Broadleaf Weed Control in Cotton (<i>Gossypium hirsutum</i>)

Richardson, Robert J.; Wilson, H. R.; Armel, Gregory R.; Hines, Thomas E.

doi:10.1614/wt-04-282r.1

Cited by 4 publications

(4 citation statements)

References 25 publications

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“…Also, none of the herbicide treatments had any detrimental effect on the cotton plants, except the EPOST application of trifloxysulfuron‐sodium, which caused a slight discoloration (yellowing) of the cotton leaves. The discoloration disappeared within 10 days after application, which agreed with studies on trifloxysulfuron‐sodium application in cotton conducted by Burke and Wilcut (2004) and Richardson et al . (2006).…”

Section: Resultssupporting

confidence: 90%

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Tillage implement effects on herbicide efficacy and the yield of cotton grown under a sprinkler or drip irrigation system

Papageorgiou

Eleftherohorinos

Vasilakoglou

2008

Weed Biology and Management

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Field experiments were conducted during 2003 and 2004 at four locations in northern Greece to evaluate the effects of tillage implements and herbicide treatments on the weed control and yield of cotton grown under a mobile sprinkler or drip irrigation system. The tillage implements consisted of three seedbed preparation tillage implements: a field cultivator with a double rolling basket, a disk harrow or a rotary harrow.The herbicide treatments consisted of a broadcast preplant-incorporated (PPI) application of trifluralin or S-metolachlor followed by pre-emergence (PRE)-applied prometryn, a PRE 38 cm band application of S-metolachlor plus fluometuron or a broadcast PPI application of S-metolachlor followed by early postemergence-applied trifloxysulfuron-sodium. In most cases, the PPI applications followed by the PRE application of prometryn resulted in the greatest control of black nightshade (Solanum nigrum L.), redroot pigweed (Amaranthus retroflexus L.), and common lambsquarters (Chenopodium album L.). The control of black nightshade and common lambsquarters was slightly reduced when the herbicides were incorporated by rotary harrow.The cotton yield was not affected in most cases by the tillage implements, while the drip irrigation system provided a greater or similar cotton yield as compared with the sprinklers. The PPI application of trifluralin followed by the PRE-applied prometryn in the cotton grown under drip irrigation provided the greatest lint yield in most cases. Therefore, a drip irrigation system and disk harrow or field cultivator implement could be used as the first choice of cotton growers in integrated crop management production systems.

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Section: Resultssupporting

confidence: 90%

“…(Burke & Wilcut 2004; Branson et al . 2005; Brecke & Stephenson 2006; Richardson et al . 2006), and black nightshade ( Solanum nigrum L.) (Eleftherohorinos I., unpublished data, 2003).…”

Section: Introductionmentioning

confidence: 99%

Tillage implement effects on herbicide efficacy and the yield of cotton grown under a sprinkler or drip irrigation system

Papageorgiou

Eleftherohorinos

Vasilakoglou

2008

Weed Biology and Management

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“…Therefore, as with other ALS-inhibiting herbicides, visual crop injury such as chlorosis, necrosis, and stunting within a week or so of trifloxysulfuron application is often observed in Upland cotton, Gossypium hirsutum L. (Koger et al 2005;Richardson et al 2003bRichardson et al , 2004aThomas et al 2006;O'Berry et al 2008). Applications of trifloxysulfuron before the 5-true leaf stages caused higher crop injury (Branson et al 2002;Porterfield et al 2002a;Richardson et al 2006Richardson et al , 2007a, than after the stage (Branson et al 2005;Koger et al 2005;Porterfield et al 2002a;Richardson et al 2006). There may be genotypic differences in crop injury (Porterfield et al 2002b).…”

Section: Trifloxysulfuronmentioning

confidence: 99%

Tolerance of Pima and Upland cotton to trifloxysulfuron (Envoke) herbicide under field conditions

2021

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Trifloxysulfuron (Envoke) is an acetolactate synthase-inhibitor herbicide and can be used to control many broadleaf weeds and nutsedges in cotton production. However, there is a lack of information on genotypic variation in response to the herbicide. In this field study, 60 Pima (Gossypium barbadense L.) lines, 122 Upland (G. hirsutum L.) lines, and 9 Upland × Pima segregating populations were divided into five tests (18A, 18B, 18G, 18RB, and 18HQ) to evaluate trifloxysulfuron tolerance at the 7-true leaf stage (42 days after planting) under the same field conditions in 2018. Across the five tests, Pima cotton genotypes tested in this study did not show any visual crop injury based on percentage of plants with chlorosis at 6 days after treatment (DAT), indicating consistent and high levels of trifloxysulfuron tolerance. However, the response to trifloxysulfuron within Upland cotton is highly variable. While Upland cotton is overall more sensitive to trifloxysulfuron with crop injury up to 80% than Pima cotton, 19 lines had injury below 5% including one line with no visual injury, and 19 lines had injury between 5% and 10%. In test 18HQ with 15 transgenic Upland cultivars and 17 non-transgenic Upland lines, the analysis of variance detected a significant genotypic difference. The broad-sense heritability estimates for trifloxysulfuron tolerance based on crop injury at 6 DAT was 0.555, suggesting that trifloxysulfuron tolerance in Upland cotton is moderately heritable. This study represents the first report that Pima cotton and many Upland cotton lines are highly tolerant to trifloxysulfuron with no or little crop injury.

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“…Weed size at the time of application [21][22][23][24] and tank-mix combinations [25][26][27] are two factors that often impact the success of a herbicide. The importance of weed size at the time of 2,4-D application has been well-documented (Everitt and Keeling 2007;Siebert et al 2004).…”

Section: Introductionmentioning

confidence: 99%

Efficacy of 2,4-D Choline as Influenced by Weed Size in the Texas High Plains

Manuchehri

Dotray²,

Keeling³

2019

JEAI

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Aim: Postemergence timing trials based on weed size were conducted near Lubbock, TX to assess the effectiveness of 2,4-D choline + glyphosate on control of Palmer amaranth (Amaranthus palmeri S. Wats.), Russian-thistle (Salsola tragus L.), and kochia (Kochia scoparia L.) at three growth stages (3 to 5 cm, 10 to 15 cm, and 20 to 30 cm). Study Design: All trials were arranged in a randomized complete block design with four replications. Place and Duration of Study: Field experiments were conducted in 2013, 2014, and 2015 in Lubbock, TX at the Texas A&M AgriLife Research and Extension Center near Lubbock, TX. Methodology: Herbicide treatments consisted of a single postemergence application of 2,4-D choline + glyphosate at two rates, 2,4-D choline + glyphosate at two rates + glufosinate, 2,4-D choline + glyphosate + S-metolachlor, 2,4-D choline + glyphosate + acetochlor, 2,4-D choline + glufosinate, glyphosate, or glufosinate. Results: The greatest level of weed control for all three weed species was achieved at the 3 to 5 cm timing; however, weed size was most critical for Palmer amaranth and Russian-thistle compared to kochia. Averaged over all three years, Palmer amaranth control decreased from 93 to 74% when evaluated 21 days after treatment following applications that included 2,4-D choline when applied to plants 3 to 5 and 10 to 30 cm, respectively. For Russian-thistle, control decreased from 98 to 78% when evaluated 21 days after treatment following treatments that included 2,4-D choline when applied to plants 3 to 5 and 10 to 30 cm, respectively. For kochia, control decreased from 98 to 84% when evaluated 21 days after treatment following treatments that included 2,4-D choline when applied to plant 3 to 5 and 10 to 30 cm, respectively.

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Trifloxysulfuron Plus Pyrithiobac Mixtures for Broadleaf Weed Control in Cotton (Gossypium hirsutum)

Cited by 4 publications

References 25 publications

Tillage implement effects on herbicide efficacy and the yield of cotton grown under a sprinkler or drip irrigation system

Tillage implement effects on herbicide efficacy and the yield of cotton grown under a sprinkler or drip irrigation system

Tolerance of Pima and Upland cotton to trifloxysulfuron (Envoke) herbicide under field conditions

Efficacy of 2,4-D Choline as Influenced by Weed Size in the Texas High Plains

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