Weed control and yield are improved when glyphosate is preceded by a residual herbicide in glyphosate-tolerant maize (Zea mays)

Nurse, Robert E.; Swanton, Clarence J.; Tardif, François J.; Sikkema, Peter H.

doi:10.1016/j.cropro.2006.02.015

Cited by 35 publications

(54 citation statements)

References 15 publications

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“…Tharp and Kells (2002) reported an improvement of 20% or greater in the control of common lambsquarters in corn when residual herbicides preceded the POST application of glyphosate. Nurse et al (2006) found a significant reduction in the population density of common lambsquarters when flufenacet plus metribuzin was applied prior to glyphosate application in corn. Thomas et al (2004), however, found limited improvement in common lambsquarters control with the addition of either halosulfuron or mesotrione to glyphosate in corn.…”

Section: Common Lambsquartersmentioning

confidence: 99%

“…Armel et al (2003) reported 48 to 89% control of ragweed with glyphosate alone and 75 to 89% control of ragweed with a tank mix of glyphosate plus mesotrione in corn. Nurse et al (2006) found a significant reduction in density of common ragweed when preemergence (PRE) application of flufenacet plus metribuzin preceded a POST application of glyphosate in fb, followed by. Early and late represent weed control ratings at 2 and 12 weeks after POST 2 (7Á8 leaf corn) application, respectively.…”

Section: Common Ragweedmentioning

confidence: 99%

“…Armel et al (2003) found 88% control of smooth pigweed with the glyphosate alone and 98 to 99% control of smooth pigweed with a tank mix of glyphosate plus mesotrione. Nurse et al (2006) reported a significant reduction in population density of redroot pigweed when glyphosate was preceded with a residual herbicide in corn. However, other studies have shown no effect on redroot pigweed control when residual herbicides were followed by glyphosate application in corn (Gower et al 2002;Thomas et al 2004).…”

Section: Weed Controlmentioning

confidence: 99%

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Weed control, environmental impact and profitability with glyphosate tank mixes in glyphosate-tolerant corn

Soltani

Eerd²,

Vyn³

et al. 2010

Can. J. Plant Sci.

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impact and profitability with glyphosate tank mixes in glyphosate-tolerant corn. Can. J. Plant Sci. 90: 125Á132. Eight field trials were conducted over a 3-yr period at Exeter (one site in 2005 and 2006) and Ridgetown (three sites in 2005, two sites in 2006 and one site in 2007), Ontario, to evaluate different postemergence glyphosate tank mixes for weed management in glyphosatetolerant corn. Treatments included a weedy check, a single application of glyphosate, a sequential application of glyphosate and tank mixes of glyphosate plus either atrazine, dicamba/atrazine, mesotrione, s-metolachlor plus atrazine, s-metolachlor/atrazine, dicamba/diflufenzopyr, and dimethenamid plus atrazine. A single application of glyphosate, the sequential application of glyphosate and tank mixes of glyphosate plus either atrazine, dicamba/atrazine, mesotrione, s-metolachlor plus atrazine, s-metolachlor/atrazine, dicamba/diflufenzopyr, and dimethenamid plus atrazine provided 92Á100% control of redroot pigweed, 87Á100% control of common ragweed, 74Á100% control of common lambsquarters, and 43Á100% control of green foxtail. All herbicide treatments had a higher yield than the weedy check. There were no differences in corn yield among the herbicide treatments evaluated. The glyphosate alone or in tank mix combination with mesotrione or dicamba/diflufenzopyr programs had the lowest environmental impact. Glyphosate plus atrazine and dicamba/diflufenzopyr were the most profitable weed management programs in glyphosate-tolerant corn. L'application unique de glyphosate, l'application se´quentielle de glyphosate et l'application des me´langes en cuve de glyphosate et d'atrazine, de dicamba/atrazine, de me´sotrione, de s-me´tolachlor additionne´d'atrazine, de s-me´tolachlor/ atrazine, de dicamba/diflufenzopyr, et de dime´the´namide additionne´d'atrazine de´truisent de 92 a`100 % de l'amarante re´fle´chie, de 87 a`100 % de la petite herbe a`poux, 74 a`100 % du che´nopode blanc et 43 a`100 % de la se´taire verte. Les traitements avec herbicide se soldent tous par un meilleur rendement que la parcelle te´moin non traite´e. Le maı¨s donne le meˆme rendement, peu importe l'herbicide e´value´. Le glyphosate seul ou me´lange´a`du me´sotrione ou du dicamba/ diflufenzopyr a le plus faible impact sur l'environnement. Le glyphosate additionne´d'atrazine ou de dicamba/ diflufenzopyr est le programme de de´sherbage le plus rentable pour le maı¨s tole´rant le glyphosate.

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Section: Common Lambsquartersmentioning

confidence: 99%

Section: Common Ragweedmentioning

confidence: 99%

Section: Weed Controlmentioning

confidence: 99%

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Weed control, environmental impact and profitability with glyphosate tank mixes in glyphosate-tolerant corn

Soltani

Eerd²,

Vyn³

et al. 2010

Can. J. Plant Sci.

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“…Finally, the results of all these studies demonstrate that corn event NK603 is comparable to traditional corn with respect to food, feed and environmental safety. No visual injury was observed in glyphosate tolerant maize crop by POE of glyphosate (Nurse et al, 2006).…”

Section: Role Of Glyphosate In Weed Managementmentioning

confidence: 97%

Weed management options in transgenic stacked and non transgenic maize (Zea mays) hybrids-A review

Sivagamy

Chinnusamy

Parasuraman

2017

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Weeds are generally hardy species having fast growth, deep root system and capable of competing very efficiently with cultivated crops for the available resources and adversely affect the crop growth and yield. Weed management systems that rely on post emergence control assume that crops can tolerate competition for certain periods of time without suffering yield losses. Initial slow growth particularly at early crop growth stages and wider plant spacing of maize crop encourages fast and vigorous growth of weeds. It is of paramount importance that, competition from weeds must be minimized to achieve optimum yield. Among the different weed control methods, chemical method bears many advantages in suppressing weed growth and to get healthy and vigorous crop stand. Non-selective herbicide molecules with a variety of mode of action were discovered, developed and marketed for successful weed control programme.

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“…Across all treatments, the control of broadleaved and grass was 95% to 100% and 94% to 99%, respectively (Table 6). Although glyphosate does not provide residual weed control [13] [31], it controlled emerged weeds at the time of application, after which the soybean crop canopied over creating an unsuitable environment for weed growth and development [32] [33] [34].…”

Section: Density and Dry Weightmentioning

confidence: 99%

Weed Control, Environmental Impact, and Net-Profit of Two-Pass Weed Management Strategies in Dicamba-Resistant Soybean (<i>Glycine max</i>) Using Conventional Tillage

Underwood¹,

Soltan²,

Hooker³

et al. 2017

AJPS

Self Cite

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Traditional two-pass weed management strategies need to be compared with new strategies in glyphosate/dicamba-resistant soybean. Weed control, soybean yield, partial profitability and environmental impact (EI) were evaluated in glyphosate/dicamba-resistant soybean using dicamba applied alone or in a tank-mix with dimethenamid-P applied preemergence (PRE). Trials were conducted at three locations during 2014 and 2015. Several PRE herbicides provided excellent control of broadleaf and grass weeds. Dicamba provided > 91% control of broadleaf weeds, and the addition of dimethenamid-P improved grass control. All weed species at the trial locations were controlled > 94% following a postemergence (POST) application of glyphosate. Weed interference reduced soybean seed yield 33% where no herbicide was applied. A single POST application of glyphosate had the lowest EI. Several treatments improved early-season weed control and reduced early-season weed density and biomass compared to glyphosate and had similar EI values. In this study, there was no benefit to yield or partial profit by including a PRE herbicide for weed management; however, the inclusion of multiple modes-of-action in a herbicide program may reduce the selection for herbicide-resistant weeds.

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Weed control and yield are improved when glyphosate is preceded by a residual herbicide in glyphosate-tolerant maize (Zea mays)

Cited by 35 publications

References 15 publications

Weed control, environmental impact and profitability with glyphosate tank mixes in glyphosate-tolerant corn

Weed control, environmental impact and profitability with glyphosate tank mixes in glyphosate-tolerant corn

Weed management options in transgenic stacked and non transgenic maize (Zea mays) hybrids-A review

Weed Control, Environmental Impact, and Net-Profit of Two-Pass Weed Management Strategies in Dicamba-Resistant Soybean (<i>Glycine max</i>) Using Conventional Tillage

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Weed control and yield are improved when glyphosate is preceded by a residual herbicide in glyphosate-tolerant maize (Zea mays)

Cited by 35 publications

References 15 publications

Weed control, environmental impact and profitability with glyphosate tank mixes in glyphosate-tolerant corn

Weed control, environmental impact and profitability with glyphosate tank mixes in glyphosate-tolerant corn

Weed management options in transgenic stacked and non transgenic maize (Zea mays) hybrids-A review

Weed Control, Environmental Impact, and Net-Profit of Two-Pass Weed Management Strategies in Dicamba-Resistant Soybean (&lt;i&gt;Glycine max&lt;/i&gt;) Using Conventional Tillage

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Weed Control, Environmental Impact, and Net-Profit of Two-Pass Weed Management Strategies in Dicamba-Resistant Soybean (<i>Glycine max</i>) Using Conventional Tillage