Effects of application terms of three soil active herbicides on herbicide efficacy and reproductive ability for weeds in maize

Andr, Jiří; Hejnák, Václav; Jursík, M.; Fendrychová, Veronika

doi:10.17221/561/2014-pse

Cited by 10 publications

(7 citation statements)

References 17 publications

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“…Th e tank mixture of mesotrione with s-metolachlor and mesotrione with terbuthylazine were also eff ective. All of the above mentioned active ingredients are well known in corn weed management, and they are still being tested in fi eld experiments for diff erent application methods (James et al 2006;Whaley et al 2009;Skrzypczak et al 2011;Andr et al 2014;Radivojevic et al 2014). For example, meso trione, chemically derived from a natural phytotoxin obtained from the Callistemon citrinus plant, is eff ective for preand post-emergence control of weeds in corn.…”

Section: Discussionmentioning

confidence: 99%

A study on Sorghum bicolor (L.) Moench response to split application of herbicides

Kaczmarek

2017

Journal of Plant Protection Research

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Field experiments to evaluate the split application of mesotrione + s-metolachlor, mesotrione + terbuthylazine, dicamba + prosulfuron, terbuthylazine + mesotrione + s-metolachlor, and sulcotrione in the cultivation of sorghum var. Rona 1 were carried out in 2012 and 2013. The field tests were conducted at the field experimental station in Winna Góra, Poznań, Poland. Treatments with the herbicides were performed directly after sowing (PE) and at leaf stage 1–2 (AE1) or at leaf stage 3–4 (AE2) of sorghum. The treatments were carried out in a laid randomized block design with 4 replications. The results showed that the tested herbicides applied at split doses were effective in weed control. After the herbicide application weed density and weed biomass were significantly reduced compared to the infested control. The best results were achieved after the application of mesotrione tank mixture with s-metolachlor and terbuthylazine. Application of split doses of herbicides was also correlated with the density, biomass, and height of sorghum.

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Section: Discussionmentioning

confidence: 99%

A study on Sorghum bicolor (L.) Moench response to split application of herbicides

Kaczmarek

2017

Journal of Plant Protection Research

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“…Increasing maize production is noticeable worldwide, even across Central Europe [1]. Given the fact that maize is considered as a wide-row crop [2] and its competitiveness is rather low, weed management is highly recommended [3]. In general, plenty types of weed infestation and different levels of losses caused by weeds have been reported by many authors [4,5].…”

Section: Introductionmentioning

confidence: 99%

The effect of three soil tillage treatments on weed infestation in forage maize

2019

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This study assessed the impact of using soil tillage in maize crops on weed infestation intensity and weed species composition. A field experiment was established as a model example of livestock production management in drier climate conditions where maize was grown in seven-step crop rotation sequence: alfalfa – the first year, alfalfa – the second year, winter wheat, forage maize, winter wheat, sugar beet, and spring barley. Three soil tillage treatments were applied: conventional tillage (CT), minimum tillage (MT), and no-tillage (NT). An arithmetic method and multivariate analyses of ecological data were used. The highest weed infestation, mainly due to late spring species, was recorded in MT. Perennial and overwintering species were frequently observed in NT. Early spring weed species were abundant in CT. Different tillage treatments cause a significant change in the weed species spectrum in maize. A study of the relationship between tillage and the level of weed infestation requires long-term monitoring which will allow us to predict the intensity of weed infestation in particular locations.

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“…The application of pre-emergence herbicides is an established method to control the infestation of weeds in a maize and bean mixture [25,27]. The active ingredients Dimethenamid-P and Pendimethalin effectively control a wide range of annual grass and annual broad-leaved weeds during an early sensitive stage of maize development [42][43][44][45]. Nevertheless, when the herbicide activity declines, new-emerging weeds occur and postemergence herbicides must be applied for optimal weed control as they can also be competitive.…”

Section: Discussionmentioning

confidence: 99%

The Method and Timing of Weed Control Affect the Productivity of Intercropped Maize (Zea mays L.) and Bean (Phaseolus vulgaris L.)

Andert

2021

Agriculture

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Intercropping results in high overall system productivity on a given piece of land due to the efficient use of available plant growth resources. Weed control in intercropping systems is, however, still a challenge. This study focuses on the effect of the type of weed control (chemical/mechanical) and the timing of chemical herbicide application (pre-emergence/post-emergence) on weed control and crop productivity in a maize bean mixture. For this purpose, the results of a three-year field experiment (2017 to 2019) in northeast Germany will be presented. The experimental setup included a control, three chemical methods, and one mechanical method of weed control. Except for the mechanical treatment, a completely randomized block design was established. Weeds were assessed at BBCH 12 of the maize, immediately before the first weed control treatments to estimate the initial weed infestation, and twice in the six to eight leaf stage of the maize. The weed coverage (%) was estimated. The maize bean mixture was harvested and yields (t ha−1) were measured. The results confirm that the type of weed control, as well as the timing of herbicide application, significantly affects the weed coverage of the maize bean mixture. The most successful weed control strategy was the double chemical herbicide application, in which chemical herbicides are in used pre-emergence beans (BBCH 12 maize) and post-emergence beans (BBCH 12 bean). Weed coverage was reduced by up to 75% using this most effective herbicide strategy and by up to 61% through mechanical weed control, compared to the control. The additional effects of post-emergence treatment on the pre-emergence herbicide control resulted in a 16.5% weed coverage decline. The yield surplus of double chemical herbicide application (pre/post-emergence) was up to 53%, and for the mechanical weed control up to 23%. Additionally, post-emergence herbicide use in intercropped maize and bean resulted in a 16% yield surplus, compared to the single pre-emergence chemical weed control. Optimal timing of weed control during the most sensitive phenology stages of the maize bean mixture is crucial for productivity. The results of this study provide an additional option for suitable weed control of intercropped maize and bean.

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Effects of application terms of three soil active herbicides on herbicide efficacy and reproductive ability for weeds in maize

Cited by 10 publications

References 17 publications

A study on Sorghum bicolor (L.) Moench response to split application of herbicides

A study on Sorghum bicolor (L.) Moench response to split application of herbicides

The effect of three soil tillage treatments on weed infestation in forage maize

The Method and Timing of Weed Control Affect the Productivity of Intercropped Maize (Zea mays L.) and Bean (Phaseolus vulgaris L.)

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