Control of western corn rootworm damage by application of soil insecticides at different maize planting times

Blandino, Massimo; Ferracini, Chiara; Rigamonti, I.E.; Testa, Giulio; Saladini, Matteo Alessandro; Jucker, C.; Agosti, Mauro; Alma, Alberto; Reyneri, Amedeo

doi:10.1016/j.cropro.2016.11.006

Cited by 13 publications

(10 citation statements)

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“…The western corn rootworm (WCR) ( Diabrotica virgifera virgifera LeConte) is one of the most significant pests of corn ( Zea mays L.) in several countries (Blandino et al 2017, Campbell et al 2017) with economic losses estimated to be in excess of $1 billion annually (Gray et al 2009). WCR larvae feed upon corn root tissue which can lead to significant yield loss driven through impaired physiological processes within the plant and lodging as a result of the loss of root tissue (Campbell et al 2017, Johnson et al 2017 and references therein).…”

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confidence: 99%

“…WCR pressure can significantly influence decisions made by growers, such as their choice of crop, when to plant that crop, and use of various pest control options. Typical WCR control strategies include crop rotation, use of soil, seed, and foliar applied chemicals and/or genetically modified (GM) corn hybrids containing proteins designed to control WCR feeding (Prasifka et al 2013, Blandino et al 2017, Johnson et al 2017) and GM solutions involving dsRNA should be available in the near future (Bachman et al 2013). Given the historical difficulty controlling this pest and the corn rootworm complex in general (Pereira et al 2017a,b; Wang et al 2017), increasingly holistic approaches considering a fully integrated pest management (IPM) strategy have been developed (Kuhlmann and Van der Burgt 1998, Onstad et al 2003).…”

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confidence: 99%

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Characterization of the Spectrum of Insecticidal Activity for IPD072Aa: A Protein Derived from Psuedomonas chlororaphis with Activity Against Diabrotica virgifera virgifera (Coleoptera: Chrysomelidae)

Boeckman

Huang

Sturtz

et al. 2019

Journal of Economic Entomology

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Western corn rootworm ( Diabrotica virgifera virgifera LeConte) presents significant pest management challenges for farmers in both North America and Europe. IPD072Aa, a protein derived from Pseudomonas chlororaphis , has previously been shown to have activity against western corn rootworm. In the current study, the spectrum of activity of IPD072Aa was evaluated in controlled laboratory diet bioassays. IPD072Aa was fed at high concentrations in subchronic or chronic bioassays to 11 different insect species, representing 4 families within Coleoptera, and an additional 4 species representing four families of Lepidoptera. No adverse effects were noted in the Lepidoptera species. Within the order Coleoptera, western corn rootworm was the most sensitive species tested. A range of responses was observed within each of the four families of Coleoptera evaluated that included either no-observed effects or reduced growth, developmental delays, and/or reduced survival. These data will help inform the environmental risk assessment of genetically modified plants that express the IPD072Aa protein for western corn rootworm control.

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confidence: 99%

Characterization of the Spectrum of Insecticidal Activity for IPD072Aa: A Protein Derived from Psuedomonas chlororaphis with Activity Against Diabrotica virgifera virgifera (Coleoptera: Chrysomelidae)

Boeckman

Huang

Sturtz

et al. 2019

Journal of Economic Entomology

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“…The application of H. bacteriophora in the soil successfully reduced the root damage caused by WCR larvae and by plant lodging by up to 60% [26]. Further, the application of soil insecticides to the furrows at planting can prevent larval damage, leading to yield benefits [59]. A significant positive impact of tefluthrin on the grain yield of transgenic Bt corn hybrids was reported from studies in North Dakota at a site with high WCR infestation levels [49].…”

Section: Discussionmentioning

confidence: 99%

Evaluation of the Field Efficacy of Heterorhabditis Bacteriophora Poinar (Rhabditida: Heterorhabditidae) and Synthetic Insecticides for the Control of Western Corn Rootworm Larvae

Modic

Žigon

Kolmanič

et al. 2020

Insects

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The western corn rootworm (WCR), Diabrotica virgifera virgifera LeConte (Coleoptera, Chrysomelidae), is an important insect pest of maize in North America and Central and Eastern Europe. In Central Europe, the larvae emerge in May and its three instars feed intensively on maize roots in June, causing plant lodging that leads to a loss of economic yield. A three-year field experiment (2016–2018) was conducted to compare the effectiveness i) of soil-applied granular insecticide based on the active ingredient tefluthrin, ii) of maize seeds dressed with thiacloprid, and iii) entomopathogenic nematodes Heterorhabditis bacteriophora Poinar (Rhabditida: Heterorhabditidae, product Dianem) against WCR larvae. An additional treatment with alcohol ethoxylate (i.e., soil conditioner) mixed with entomopathogenic nematodes was performed in 2017 and 2018 to check for any increase of entomopathogenic nematodes’ effectiveness. Field tests were carried out in two fields infested naturally with a WCR pest population, one in Bučečovci (Eastern Slovenia) and the other in Šmartno pri Cerkljah (northern Slovenia), exhibiting dissimilar pedo-climatic conditions and soil pest densities. The treatments were performed in five replicates per experiment in each year. The efficacy of the treatments was very similar at both locations, despite the approximately five-fold lower WCR soil pest densities in northern than in eastern Slovenia, as well as being constant over time. The largest number of WCR beetles was observed in the negative control, followed by that of beetles subjected to thiacloprid treatment (insignificant decrease taking into account the entire three-year dataset). Treatments with tefluthrin (44.1 ± 11.7%), H. bacteriophora (46.2 ± 7.4%), and H. bacteriophora + alcohol ethoxylate (49.2 ± 1.8%) significantly decreased the numbers of emerging beetles. Treatments of thiacloprid, H. bacteriophora, and H. bacteriophora + alcohol ethoxylate additionally led to significantly increased maize plant weights. Furthermore, entomopathogenic nematodes were able to persist in maize fields for almost five months at both experimental locations in silty and sandy loam soils. It was concluded that the control of WCR larvae in maize using the entomopathogenic nematode H. bacteriophora is as effective as a tefluthrin treatment, and could thus offer a sustainable Diabrotica v. virgifera biological control management option in Europe.

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“…Particularly soil applications of synthetic insecticides into the furrow at sowing have been reported to reduce larval damage to roots and to prevent plant lodging (Sutter et al 1989(Sutter et al , 1990, such as for tefluthrin, chlorpyrifos ethyl, clothianidin, and λ-cyhalothrin (Blandino et al 2016). However, soil as well as foliar insecticides occasionally fail in sufficiently reducing populations of this pest.…”

Section: Introductionmentioning

confidence: 99%

Missing temporal effects of soil insecticides and entomopathogenic nematodes in reducing the maize pest Diabrotica virgifera virgifera

et al. 2020

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Control methods for the larvae of the maize pest Diabrotica virgifera virgifera (Coleoptera: Chrysomelidae) are known to produce inconsistent results under field conditions. To better understand the effects of plant protection products on the rootfeeding larvae, we looked for changes in efficacy of the granular soil insecticides chlorpyrifos, cypermethrin, and tefluthrin during a cropping season, as well as a fluid-applied entomopathogenic nematode Heterorhabditis bacteriophora (Rhabditida: Heterorhabditidae). Twelve field-scale experiments carried out in Hungary between 2010 and 2018 revealed that treatments, whether chemical or biological, are able to reduce D. v. virgifera. However, results were variable with failures in about a quarter of the experiments. Unexpectedly, our findings indicated only limited effect of time on treatments, meaning all products appeared capable of continuously reducing larvae during their time in the soil. Only chlorpyrifos seemed to slightly lose and tefluthrin to slightly increase efficacy over time. Nevertheless, there is no major evidence that failure of treatments is due to temporal effects. Other factors may play a larger role and merit investigation under field conditions.

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Control of western corn rootworm damage by application of soil insecticides at different maize planting times

Cited by 13 publications

References 32 publications

Characterization of the Spectrum of Insecticidal Activity for IPD072Aa: A Protein Derived from Psuedomonas chlororaphis with Activity Against Diabrotica virgifera virgifera (Coleoptera: Chrysomelidae)

Characterization of the Spectrum of Insecticidal Activity for IPD072Aa: A Protein Derived from Psuedomonas chlororaphis with Activity Against Diabrotica virgifera virgifera (Coleoptera: Chrysomelidae)

Evaluation of the Field Efficacy of Heterorhabditis Bacteriophora Poinar (Rhabditida: Heterorhabditidae) and Synthetic Insecticides for the Control of Western Corn Rootworm Larvae

Missing temporal effects of soil insecticides and entomopathogenic nematodes in reducing the maize pest Diabrotica virgifera virgifera

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