Persistence of auxinic herbicides applied on pasture and toxicity for succeeding crops

Anésio, Arnon Henrique Campos; Santos, Maurinho Luiz dos; Silveira, Rodrigo Richard da; Ferreira, Evander Alves; Santos, José Barbosa dos; Silva, Leandro Diego da

doi:10.1590/0001-3765201820170134

Cited by 16 publications

(8 citation statements)

References 18 publications

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“…Rojas et al [215] reported that though herbicide residues reduced roots, differences in aggregate size, wet aggregate stability, and aggregate size plus soil mineral N were not significant. Anesio et al [216] reported that cucumber, pigeon pea, and alfalfa were most susceptible to the auxin herbicide residues. However sweet corn and sorghum showed lower chlorophyll content in soils with 2,4-D+ picloram residual up to 80 days after application of herbicide.…”

Section: Cover Cropsmentioning

confidence: 99%

Sweet Corn Research around the World 2015–2020

2021

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Modern sweet corn is distinguished from other vegetable corns by the presence of one or more recessive alleles within the maize endosperm starch synthesis pathway. This results in reduced starch content and increased sugar concentration when consumed fresh. Fresh sweet corn originated in the USA and has since been introduced in countries around the World with increasing popularity as a favored vegetable choice. Several reviews have been published recently on endosperm genetics, breeding, and physiology that focus on the basic biology and uses in the US. However, new questions concerning sustainability, environmental care, and climate change, along with the introduction of sweet corn in other countries have produced a variety of new uses and research activities. This review is a summary of the sweet corn research published during the five years preceding 2021.

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Section: Cover Cropsmentioning

confidence: 99%

Sweet Corn Research around the World 2015–2020

2021

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“…An important Brazilian Journal of Development, Curitiba, v.8, n.5, p. 40551-40568, may., 2022 fact to be consider is the influence of 2,4-D on the crop introduced after it application. In some cases, 2,4-D residues may influence the plant development until 40 days after application of the herbicide and up to 280 days when associated with other pesticide (Anésio et al, 2018). Another problem, is that 2,4-D can be persistent in the environment by accumulation throughout the food chain (Marcato et al, 2017).…”

Section: Introductionmentioning

confidence: 99%

In vitro development of green manures: phytotoxicity and remediation of 2,4-D / Desenvolvimento in vitro de adubos verdes: fitotoxicidade e remediação de 2,4-D

Costa¹,

Silva²,

Direito³

et al. 2022

Braz. J. Develop.

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Evaluation of phytoremediation capacity under aseptic, controlled conditions can be achieved with the use of plant tissue cultures as a model, eliminating interference from the physical environment. Herein, we developed an in vitro culture protocol for green manures of Crotalaria juncea, C. spectabilis and Canavalia ensiformis, each of which contributes to a sustainable cropping system. In particular, we studied their behavior in the presence of the herbicide 2,4-D (2,4-dichlorophenoxyacetic acid). Disinfection of C. juncea seeds was efficient, and plantlets presented the best development of roots, stem and leaves. Thus, subsequent experiments were conducted only with C. juncea. For 2,4-D tolerance tests, C. juncea seedlings were transferred to Murashige and Skoog (MS) solid media under the following concentrations of 2,4-D: 0 (control), 0.2, 0.5 and 1.0 mg L-1 for a 30-day period. After this period, MS culture media for C. juncea was analyzed by HPLC for quantification of residual 2,4-D. C. juncea development was observed to be sensitive to 2,4-D toxicity; however it was observed 2,4-D reduction in the media. Nonetheless, field assays are still necessary to evaluate the feasibility of using it as a phytoremediator, as well as determine the influence of environmental and plant density variables on 2,4-D absorption capacity from soil.

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“…Pesticides can persist and be detected in surface waters outside of their application period (Kimbrough and Litke 1996). More specifically, auxin herbicides such as 2,4-D and mecoprop have been detected in soil (Anesio et al 2018), groundwater (Munira et al 2018), and stormwater (Rippy et al 2017) during the off-season, likely a consequence of their physicochemical properties and those of the soils as well as pesticide usage (quantities and formulations applied in a region). Similar results were obtained in water across the Canadian prairies (Byrtus et al 2004, Donald et al 2007).…”

Section: Introductionmentioning

confidence: 99%

From peaks to prairies: a time-of-travel synoptic survey of pesticides in watersheds of southern Alberta, Canada

et al. 2019

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A time-of-travel synoptic survey was conducted in August 2014 to assess pesticide occurrence in major river subbasins of southern Alberta, Canada. We collected 155 water samples from Alberta's South Saskatchewan River Basin (Bow, Oldman, Red Deer, and South Saskatchewan river subbasins) and analysed them for 106 pesticides. Samples were collected from mainstems (rivers) as well as tributaries and effluents (point sources) discharging into the rivers in an estimated timeof-travel to capture agricultural and urban contributions as the water flowed eastward from headwaters in the Rocky Mountains. The aim of the study was to assess point-source contributions of pesticides to Alberta's South Saskatchewan River Basin mainstems during low flow conditions. In addition to examining differences in pesticide contributions among source type and subbasins, the cumulative effect of inputs on the mainstem rivers, the influence of land use, and seasonality of pesticides in select effluents was analysed. We detected 17 pesticides and 1 metabolite, reflecting runoff from agricultural and urban land use. Pesticide detection frequency was significantly higher in effluents than in tributaries and mainstems, and pesticides were detected in effluents in summer and winter. Our evaluation of land-use relationships highlighted the influence of agriculture on pesticide occurrence in these aquatic agroecosystems. To our knowledge, this is the first watershed-wide time-of-travel survey of pesticides conducted in southern Alberta to measure contributions of pesticide loads from effluents and tributaries to the mainstems in all regions of Alberta's South Saskatchewan River Basin.

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Persistence of auxinic herbicides applied on pasture and toxicity for succeeding crops

Cited by 16 publications

References 18 publications

Sweet Corn Research around the World 2015–2020

Sweet Corn Research around the World 2015–2020

In vitro development of green manures: phytotoxicity and remediation of 2,4-D / Desenvolvimento in vitro de adubos verdes: fitotoxicidade e remediação de 2,4-D

From peaks to prairies: a time-of-travel synoptic survey of pesticides in watersheds of southern Alberta, Canada

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