A commercially acceptable assessment technique for improved control of cabbage stem flea beetle feeding on winter oilseed rape

Walters, K. F. A.; Lane, A.; Cooper, Doug; Morgan, Derek

doi:10.1016/s0261-2194(01)00040-0

Cited by 9 publications

(12 citation statements)

References 7 publications

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“…Furthermore, the delay between the samples being taken and when the farmer obtains the results does not enable timely control decisions. A third method for monitoring larval numbers is to count the percentage of leaves with scars on the petioles (Figure 1c–e ; these characteristic marks are left as the larvae move between petioles for feeding), as there is a significant relationship between these and the number of larvae per plant during autumn (Walters et al, 2001 ). The number of larvae can be estimated from the number of adults in yellow water traps as these two factors are related (Green, 2008 ).…”

Section: Principle 2 Monitoringmentioning

confidence: 99%

Integrated pest management strategies for cabbage stem flea beetle (Psylliodes chrysocephala) in oilseed rape

et al. 2022

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Oilseed rape (OSR) is the second largest source of vegetable oil globally and the most important biofuel feedstock in the European Union (EU) but the production of this important crop is threatened by a small insect, Psylliodes chrysocephala -the cabbage stem flea beetle (CSFB). The EU ban on use of neonicotinoid seed treatments and resistance of CSFB to pyrethroid insecticides have left farmers with

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Section: Principle 2 Monitoringmentioning

confidence: 99%

Integrated pest management strategies for cabbage stem flea beetle (Psylliodes chrysocephala) in oilseed rape

et al. 2022

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“…Forty randomly selected plants per treatment were collected (10 plants per plot, assessed plants were at least 1 m from any plot edge). The plants were dissected in the laboratory and the number of CSFB larvae per OSR plant were counted (Walters et al, 2001). To assess the effect of intercropping on slug preference in a controlled environment, 15 cages per treatment with five OSR plants per cage were used (BBCH 12-13).…”

Section: Assessmentsmentioning

confidence: 99%

The Potential of Intercropping for Multifunctional Crop Protection in Oilseed Rape (Brassica napus L.)

Emery¹,

Anderson²,

Carlsson³

et al. 2021

Front. Agron.

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Oilseed rape (OSR; Brassica napus) is a globally important crop which is increasingly under pressure from pests, pathogens and weeds. We investigated the potential of achieving multifunctional crop protection benefits by intercropping oilseed rape with legumes. A field experiment was conducted in which winter oilseed rape was intercropped with the annual frost sensitive legumes berseem clover (Trifolium alexandrinum) or spring faba bean (Vicia faba), or with the winter grain legumes winter faba bean or winter peas (Pisum sativum). We tracked damage to winter oilseed rape by autumn and spring pests (slugs and insects), pathogens, weed biomass, as well as oilseed rape and intercrop yield in each treatment. Intercropping treatments resulted in pest damage that was equivalent or lower than in oilseed rape alone. Follow up field and lab assessments for the frost sensitive legume intercrops provided evidence for a reduction in autumn pest damage to OSR. Each legume intercrop had its own benefits and drawbacks in relation to pest, pathogen and weed suppression, suggesting that the plant species selected for intercropping with oilseed rape should be based on the pests, pathogens and weeds of greatest concern locally to achieve relevant multifunctional benefits. Our study provides a framework for further experiments in which the multifunctional effects of intercropping on pests, pathogens and weeds can be quantified.

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“…Adult CSFB feed mainly on the leaves of Brassicaceae members, producing characteristic damage known as ‘shot‐holing’ (Ellis, 2015). This damage is most detrimental to seedlings, when the cotyledons, shoot apical meristem, stem, and first true leaves are attacked, often resulting in crop failure or poor crop establishment (Walters et al, 2001). The CSFB larvae feed within the stems and petioles causing more prolific damage, and if at a high enough density, this can result in plant death, early senescence, and significant reductions in yield (Lane & Cooper, 1989; Williams, 2004, 2010; Nicholls, 2016).…”

Section: Introductionmentioning

confidence: 99%

The potential of the solitary parasitoidMicroctonus brassicaefor the biological control of the adult cabbage stem flea beetle,Psylliodes chrysocephala

Jordan

Broad

Stigenberg

et al. 2020

Entomologia Exp Applicata

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The cabbage stem flea beetle (CSFB), Psylliodes chrysocephala L. (Coleoptera: Chrysomelidae), is a major pest of oilseed rape, Brassica napus L. (Brassicaceae), within the UK and continental Europe. Following the withdrawal of many broad-spectrum pesticides, most importantly neonicotinoids, and with increased incidence of pyrethroid resistance, few chemical control options remain, resulting in the need for alternative pest management strategies. We identified the parasitoid wasp Microctonus brassicae (Haeselbarth) (Hymenoptera: Braconidae) within CSFB collected from three independent sites in Norfolk, UK. Parasitism of adult CSFB was confirmed, and wasp oviposition behaviour was described. Moreover, we show that within captive colonies parasitism rates are sufficient to generate significant biological control of CSFB populations. A sequence of the M. brassicae mitochondrial cytochrome oxidase 1 (MT-CO1) gene was generated for rapid future identification. Moroccan specimens of Microctonus aethiopoides (Loan), possessing 90% sequence similarity, were the closest identified sequenced species. This study represents the first description published in English of this parasitoid of the adult cabbage stem flea beetle.

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A commercially acceptable assessment technique for improved control of cabbage stem flea beetle feeding on winter oilseed rape

Cited by 9 publications

References 7 publications

Integrated pest management strategies for cabbage stem flea beetle (Psylliodes chrysocephala) in oilseed rape

Integrated pest management strategies for cabbage stem flea beetle (Psylliodes chrysocephala) in oilseed rape

The Potential of Intercropping for Multifunctional Crop Protection in Oilseed Rape (Brassica napus L.)

The potential of the solitary parasitoidMicroctonus brassicaefor the biological control of the adult cabbage stem flea beetle,Psylliodes chrysocephala

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