Value of neonicotinoid seed treatments to US soybean farmers

Hurley, Terrance M.; Mitchell, Paul D.

doi:10.1002/ps.4424

Cited by 63 publications

(62 citation statements)

References 47 publications

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“…Despite peer‐reviewed publications demonstrating inconsistent benefits of seed treatments for soybean aphid management, adoption rates continue to climb . Assuming that both treated and untreated soybean seeds are equally available in the region, climbing adoption rates may indicate that producers perceive a greater benefit to seed treatments than actually exists, and consequently under‐invest in scouting and achieve only suboptimal aphid management as a result.…”

Section: Discussionmentioning

confidence: 99%

“…The initial report of soybean aphid in North America in 2000 was quickly followed by economically damaging levels of this new pest in many areas of the Midwest. Currently, the soybean aphid remains the most important soybean pest to US farmers, according to recent survey data . Initial infestations were managed primarily using foliar applications of pyrethroid insecticides.…”

Section: Introductionmentioning

confidence: 99%

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Assessing the value and pest management window provided by neonicotinoid seed treatments for management of soybean aphid (Aphis glycines Matsumura) in the Upper Midwestern United States

Krupke

Alford

Cullen

et al. 2017

Pest Management Science

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These data demonstrate that an IPM approach, combining scouting and foliar-applied insecticide where necessary, remains the best option for treatment of soybean aphids, both in terms of protecting the yield potential of the crop and of break-even probability for producers. Furthermore, we found that thiamethoxam concentrations in foliage are unlikely to effectively manage soybean aphids for most of the pests' activity period across the region. © 2017 Society of Chemical Industry.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Assessing the value and pest management window provided by neonicotinoid seed treatments for management of soybean aphid (Aphis glycines Matsumura) in the Upper Midwestern United States

Krupke

Alford

Cullen

et al. 2017

Pest Management Science

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“…As a systemic insecticide, clothianidin can be used as a soil or foliar spray or as a seed treatment. The use of clothianidin as a seed treatment in corn and canola has gained wide acceptance in an effort to protect these crops against the major insect pests of concern to growers, such as the corn rootworm and European corn borer in corn and the flea beetle in canola .…”

Section: Introductionmentioning

confidence: 99%

Clothianidin in agricultural soils and uptake into corn pollen and canola nectar after multiyear seed treatment applications

Dyer

McConnell

et al. 2016

Enviro Toxic and Chemistry

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Limited data are available on the fate of clothianidin under realistic agricultural production conditions. The present study is the first large‐scale assessment of clothianidin residues in soil and bee‐relevant matrices from corn and canola fields after multiple years of seed‐treatment use. The average soil concentration from 50 Midwest US corn fields with 2 yr to 11 yr of planting clothianidin‐treated seeds was 7.0 ng/g, similar to predicted concentrations from a single planting of Poncho 250‐treated corn seeds (6.3 ng/g). The water‐extractable (i.e., plant‐bioavailable) clothianidin residues in soil were only 10% of total residues. Clothianidin concentrations in soil reached a plateau concentration (amount applied equals amount dissipated) in fields with 4 or more application years. Concentrations in corn pollen from these fields were low (mean: 1.8 ng/g) with no correlation to total years of use or soil concentrations. For canola, soil concentrations from 27 Canadian fields with 2 yr to 4 yr of seed treatment use (mean = 5.7 ng/g) were not correlated with use history, and plant bioavailability was 6% of clothianidin soil residues. Average canola nectar concentrations were 0.6 ng/g and not correlated to use history or soil concentrations. Under typical cropping practices, therefore, clothianidin residues are not accumulating significantly in soil, plant bioavailability of residues in soil is limited, and exposure to pollinators will not increase over time in fields receiving multiple applications of clothianidin. Environ Toxicol Chem 2016;35:311–321. © 2015 The Authors. Published by Wiley Periodicals, Inc. on behalf of SETAC.

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“…Afidopyropen is a novel pyropene insecticide (Group 9D) toxic to Aphididae and currently the only member of this insecticide sub‐group. The present study provides the first evaluation of the potential role of afidopyropen in management programs for A. glycines , the most significant insect pest of soybean in North America …”

Section: Discussionmentioning

confidence: 99%

Efficacy of afidopyropen against soybean aphid (Hemiptera: Aphididae) and toxicity to natural enemies

Koch

Queiroz

Aita

et al. 2019

Pest Management Science

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BACKGROUND Soybean aphid, Aphis glycines (Hemiptera: Aphididae), remains the most significant soybean insect pest in the North Central Region of the USA. The sustainability of reliance on only a few insecticide groups for this pest is questionable. We evaluate afidopyropen, a novel pyropene insecticide (Group 9D), for efficacy against A. glycines in field and greenhouse experiments and toxicity to common natural enemies in laboratory experiments. RESULTS Across 4 site‐years of field experiments and a greenhouse experiment, afidopyropen reduced A. glycines populations similar to commonly used broad‐spectrum [i.e. lambda‐cyhalothrin (Group 3A) and chlorpyrifos (Group 1B)] insecticides and potential selective insecticides [i.e. sulfoxaflor (Group 4C) and flupyradifurone (Group 4D)]. In the greenhouse, however, A. glycines mortality was delayed slightly for afidopyropen compared to the other insecticides. In laboratory experiments with natural enemies of A. glycines, afidopyropen was not toxic to adult or third instar Hippodamia convergens (Coleoptera: Coccinellidae) or adult Orius insidiosus (Hemiptera: Anthocoridae), and was only moderately toxic to Aphelinus certus (Hymenoptera: Aphelinidae). CONCLUSION Afidopyropen is effective against A. glycines and relatively non‐toxic to natural enemies, and appears to be an effective option for integrated pest management and insecticide resistance management programs for A. glycines. © 2019 Society of Chemical Industry

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Value of neonicotinoid seed treatments to US soybean farmers

Cited by 63 publications

References 47 publications

Assessing the value and pest management window provided by neonicotinoid seed treatments for management of soybean aphid (Aphis glycines Matsumura) in the Upper Midwestern United States

Assessing the value and pest management window provided by neonicotinoid seed treatments for management of soybean aphid (Aphis glycines Matsumura) in the Upper Midwestern United States

Clothianidin in agricultural soils and uptake into corn pollen and canola nectar after multiyear seed treatment applications

Efficacy of afidopyropen against soybean aphid (Hemiptera: Aphididae) and toxicity to natural enemies

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