Postemergence Herbicide Applications Impact Canada Thistle Control and Spring Wheat Yields

Zargar, Meisam; Bayat, Maryam; Lyashko, Marina; Chauhan, Bhagirath Singh

doi:10.2134/agronj2019.02.0125

Cited by 15 publications

(9 citation statements)

References 37 publications

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“…Grain yields from both rates of (iodosulfuron/mesosulfuron/antidote mefenpyr-diethyl), were almost similar to the weed-free plot for application timings (Table 3). Tribenuron-methyl and the formulated product of (iodosulfuron/mesosulfuron/antidote mefenpyr-diethyl) have been recently used to control different broadleaf weed species in Moscow region, Russia [19][20][21].…”

Section: Resultsmentioning

confidence: 99%

Wild Mustard (Sinapis arvensis) Competition and Control in Rain-Fed Spring Wheat (Triticum aestivum L.)

Zargar¹,

Kavhiza²,

Bayat³

et al. 2021

Agronomy

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Wild mustard (Sinapis arvensis L.) is a weed that frequently infests spring wheat (Triticum aestivum L.) fields in Moscow province, Russia. It is an annual broad leaf weed, which is indigenous throughout most parts of the globe and one of the most competitive weeds of spring cereal crops. In southern Russia it is emerging as an important crop competitor. Field trials focusing on herbicide timing and efficacy on wild mustard control and spring wheat yield in the Moscow region, Kashira and Baribino districts. A PRE glyphosate application to wheat regardless of fall or spring application timing favorably suppressed wild mustard in 2018. Weeds were not controlled in 2019 with the earliest application timings of glyphosate because weeds emerged late. In comparing fall and spring application timings, the formulated combination of (iodosulfuron/mesosulfuron/antidote mefenpyr-diethyl) at both field rates provided 80% weed control for all application timings and locations, and also resulting in the greatest spring wheat grain yield. Overall, herbicide treatments performed greater when they were in the fall than during the spring. Based on POST herbicide application, tribenuron-methyl provided the greatest wild mustard suppression (75%) and also caused the highest reduction in wild mustard biomass (3.3 g), stem number (6), seed number (880) and germination percentage (33%). When wild mustard was approximately 32 weeds/m2 causedtotal wheat yield loss.

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Section: Resultsmentioning

confidence: 99%

Wild Mustard (Sinapis arvensis) Competition and Control in Rain-Fed Spring Wheat (Triticum aestivum L.)

Zargar¹,

Kavhiza²,

Bayat³

et al. 2021

Agronomy

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“…The critical weed-free period for tomato is about 5 wk after transplanting (Garvey et al, 2013) indicating that purple nut sedge emergence after this period would not result insignificant. Combining herbicides with different modes of action can prevent the evolution of herbicide-resistant weeds (Galon et al, 2018;Zargar et al, 2019b). Unfortunately, despite significant weed suppression, there was still a number of nut sedge plants that were able to survive and produce seeds; and this may complicate weed management practices in the future, especially when using active ingredients with a single mode of action.…”

Section: Resultsmentioning

confidence: 99%

Impact of PRE- and POST herbicide on purple nut sedge (Cyperus rotundus L.) control and plasticulture tomato yields

Bayat

Zargar

Pakina

et al. 2021

Chil. j. agric. res.

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Purple nut sedge (Cyperus rotundus L.) is a problematic weed in plasticulture tomato (Solanum lycopersicum L.) production in Iran as it is difficult to control due to its ability to penetrate plastic mulch. Field trials were carried out at the experimental area of the state farm Safadasht, Shahriar region, Iran, over the fall of 2015 and spring of 2016 to investigate PRE-and POST herbicide programs (PRE transplanting, POST transplanting, and combination of PRE-and POST transplanting) to control purple nut sedge in plasticulture tomato production. PRE herbicide treatment metribuzin and (S)-metolachlor were not effective when applied alone, and did not reduce purple nut sedge plants compared to the weedy control. POST transplanting application of halosulfuron did not significantly affect purple nut sedge plants at 12 wk after application (WAA) in the fall 2015, but treatment favorably reduced density of purple nut sedge at 16 WAA in both seasons. PRE transplanting application of metribuzin or (S)-metolachlor plus POST halosulfuron exerted the greatest control, and purple nut sedge numbers were eventually diminished in both seasons. Experimental treatments did not negatively affect tomato height and yields. Based on our findings, multiple PRE and POST herbicide programs were effective in greater purple nut sedge suppression compared to the lone application of PRE and POST herbicides. The herbicides were selected due to routine use by tomato producers in the area. Using active ingredients from the various herbicide families with different modes of action could facilitate effective management of herbicide-resistant purple nut sedge in tomato fields.

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“…The herbicide metsulfuron has a broad spectrum of action, controlling mainly eudicotyledons plants and some species of monocotyledons (Rodrigues and Almeida, 2018). The herbicide, alone or in combination, is effective in the control of Conyza bonariensis (Vargas et al, 2007;Walker et al, 2013), Fimbristylis miliacea The residual effect of metsulfuron on soybean tolerant and non-tolerant to sulfonylureas (Tormena et al, 2016), Hordeum spontaneum (Izadi-Darbandi and Aliverdi, 2015), Cirsium arvense (Zargar et al, 2019), among others.…”

Section: Resultsmentioning

confidence: 99%

The residual effect of metsulfuron on soybean tolerant and non-tolerant to sulfonylureas

Silva

Giraldeli

Silva

et al. 2020

Rev. Fac. Nac. Agron. Medellín

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Metsulfuron is widely used for weed management; however, the residual effect on STS soybean cultivars is unknown. The objective of this work was to evaluate the residual effect of the herbicide metsulfuron on the BMX Garra RR2/STS and M 6410 IPRO (non-STS) soybean cultivars. The herbicide metsulfuron was applied at a rate of 2.4 g a.i. ha-1, in pre-planting of soybean plants. The design was completely randomized in a 2×5 factorial scheme with four replications (first factor: two soybean cultivars - STS and no-STS; second factor: five periods between metsulfuron application and soybean sowing - 0, 15, 30, 45, and 60 days). At 7, 14, 21, and 28 days after sowing (DAS), an emergency evaluation of the soybean seedlings was performed; at 28 DAS, height and dry mass of the shoot were evaluated. The height averages for the STS cultivar were higher than the values of the no-STS cultivar. The average dry mass of soybean plants was higher in the STS cultivar at 0, 15, and 30 days between application and sowing. No differences were observed between the cultivars for the periods of 45 and 60 days, for average dry mass. The BMX soybean cultivar Garra RR2/STS was potentially tolerant for the pre-sowing application of the herbicide metsulfuron. The cultivar of M 6410 IPRO (nonSTS) was affected in its initial development by the metsulfuron application during the pre-emergence stage; however, the 60-day metsulfuron application was safer, and therefore, it is recommended to perform the herbicide application in that interval.

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Postemergence Herbicide Applications Impact Canada Thistle Control and Spring Wheat Yields

Cited by 15 publications

References 37 publications

Wild Mustard (Sinapis arvensis) Competition and Control in Rain-Fed Spring Wheat (Triticum aestivum L.)

Wild Mustard (Sinapis arvensis) Competition and Control in Rain-Fed Spring Wheat (Triticum aestivum L.)

Impact of PRE- and POST herbicide on purple nut sedge (Cyperus rotundus L.) control and plasticulture tomato yields

The residual effect of metsulfuron on soybean tolerant and non-tolerant to sulfonylureas

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