Current spotted wing drosophila IPM tactics and their practical implementation in berry crops in Switzerland

Dorsaz, Mélanie; Kuonen, Fabio; Baroffio, Catherine

doi:10.17660/actahortic.2017.1156.122

Cited by 6 publications

(5 citation statements)

References 12 publications

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“…2). Similarly, the highest numbers of catches were reported to be in November in the studies carried out in Switzerland and Spain (Arno et al, 2016;Dorsaz et al, 2017). Wang et al (2019) observed population dynamics of D. suzukii at different elevations in California, USA, and determined that the fly populations have two peaks, namely spring and fall, at lowest elevation (106 masl).…”

Section: Methodsmentioning

confidence: 93%

Occurrence of invasive species and seasonal dynamics of fruit flies (Diptera: Drosophilidae) species in Uşak province, Turkey

Zengin¹

2020

Rev. Soc. Entomol. Arg.

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RESUMEN.En Turquía, el estudio de las especies de Drosophilidae, las cuales no son consideradas perjudiciales para la agricultura, no ha sido profundizado en cuanto a presencia, diversidad y cambios estacionales en sus poblaciones, hasta que Drosophila suzukii comenzó a extenderse por todo el mundo. Como resultado de esto, en los últimos años, las investigaciones sobre la fauna de Drosophilidae y sus relaciones entre sí se han acelerado. En este trabajo fueron monitoreadas especies de Drosophilidae y sus cambios estacionales en un huerto de frutas y un viñedo durante 2017-2018. Se examinaron un total de 304 trampas y se identificaron 21.688 individuos pertenecientes a 7 géneros y 13 especies. Drosophila subobscura fue la especie más abundante en trampas en ambos años. Además, en el presente estudio, la especie invasora Zaprionus tuberculatus se ha identificado por primera vez en el oeste de Turquía. PALABRAS CLAVE. Diversidad de especies. Drosofílido. Drosophila suzukii. Zaprionus tuberculatus.

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Section: Methodsmentioning

confidence: 93%

Occurrence of invasive species and seasonal dynamics of fruit flies (Diptera: Drosophilidae) species in Uşak province, Turkey

Zengin¹

2020

Rev. Soc. Entomol. Arg.

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“…Hence, cherries under cladding might benefit from a spray bait formulation of acetamiprid but this remains to be tested. The mineral mixture, DsLime, also gave 7 days of fruit protection and is previously reported to reduce oviposition by several researchers [33,34,35,36]. However, there is reportedly limited impact on adult mortality [31,33] and the mechanism is thought to be via an alteration in fruit pH [37].…”

Section: Discussionmentioning

confidence: 99%

Insecticide Control of Drosophila suzukii in Commercial Sweet Cherry Crops under Cladding

Shaw

Hemer

Cannon

et al. 2019

Insects

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Drosophila suzukii Matsumura is a damaging invasive pest of sweet cherry. Using a series of laboratory leaf contact assays, semi-field, and orchard spray programs we aimed to determine the impact of insecticide programs on D. suzukii adult mortality and oviposition in cladding-protected sweet cherry crops. Tests included assessing adult D. suzukii mortality after contact with leaves sprayed either one or two weeks previously and emergence of adults from fruits. Spinosad, lambda-cyhalothrin, acetamiprid, lime, pyrethrin, deltamethrin, and cyantraniliprole all reduced fruit damage up to day 7 after application. Of these active ingredients, only spinosad, lambda-cyhalothrin, and cyantraniliprole gave satisfactory control up to 14 days. There was no significant difference in D. suzukii mortality when exposed to leaves treated either one or two weeks previously with an application of either spinosad, cyantraniliprole, or lambda-cyhalothrin; however, mortality was significantly higher than D. suzukii in contact with untreated leaves. In eight commercial orchards, fortnightly spray applications including spinosad, cyantraniliprole, and lambda-cyhalothrin gave effective control of D. suzukii until harvest with very few damaged fruits. These experiments demonstrate that currently approved plant protection products, applied to sweet cherry under protection, give at least two weeks protection from D. suzukii.

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“…The product was sprayed once a week for 4 weeks. Each week, the treated plants showed a lower infestation than control plants but only the fourth week of treatment showed a significant difference with a reduction of 98.5% in the number of eggs laid (Dorsaz et al 2017b). This study showed different results from the ones described by Strack et al (2017) this may be due to the difference in the experimental conditions (blueberries variety, fly, time of exposure, treatment) or this can be linked to the way of working of lime with a slow effect not measurable in the study of Strack et al (2017).…”

Section: Blueberriesmentioning

confidence: 90%

Natural compounds for controlling Drosophila suzukii. A review

Dam

Molitor

Beyer

2019

Agron. Sustain. Dev.

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The drosophilid fly Drosophila suzukii is an invasive pest that has recently started threatening fruit production in Europe. In contrast to many other fruit flies, D. suzukii is able to lay eggs in ripening and mature fruits where larvae develop, rendering fruits unmarketable. This preference for ripening fruit requires pest control shortly before harvest, implying a high risk of residues on the fruit if synthetic insecticides are used. As the current management practices largely rely on chemical control, the need for alternative solutions has emerged. Here, we review the studies published up to now on the efficacy of natural compounds against D. suzukii. Several natural compounds were identified that act as repellents, contact or ingestion toxicants, fumigants, ovicides or oviposition deterrents. The most promising compounds of each group were (i) essential oils (EOs) such as the EO of thyme or its major ingredient thymol which repelled flies from fresh fruits for at least 24 h; (ii) Leptospermum ericoides and L. scoparium EOs, which expressed contact toxicity at a LD 50 < 1.2 μg/fly; (iii) the combination of erythritol and sucrose, which was a potent ingestion toxicant against adults and (iv) a chitinase from Euphorbia characias against larvae (both of the latter two resulted in 100% mortality); (v) the EO ingredients perilla aldehyde, geranial and neral showed the highest insecticidal activities as fumigants (LC 50 < 1.52 mg/l air for males and 2.6 mg/l air for females) and (vi) powdered sulphur was reported to be the most efficient oviposition deterrent, reducing the number of eggs deposited into the fruits by 76%. To enable a wider use of the natural compounds in sustainable agriculture, more information on (i) potential effects on non-target organisms, (ii) field performance and (iii) life cycle analyses results is currently needed. Keywords Climate change. Crop protection. Insecticides. Reducing pesticides. Spotted wing drosophila Abbreviations AChE Acetylcholinesterase AST Average survival time BA Butyl anthranilate CT Concentration tested DEET N,N-diethyl-meta-toluamide DMB Methyl 2,4-dimethoxy-6-methylbenzoate EA Ethyl anthranilate EO Essential oil ESE Ethanolic seed extract GST Glutathione-S-transferase MDA Methyl N,N-dimethylanthranilate Contents

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Current spotted wing drosophila IPM tactics and their practical implementation in berry crops in Switzerland

Cited by 6 publications

References 12 publications

Occurrence of invasive species and seasonal dynamics of fruit flies (Diptera: Drosophilidae) species in Uşak province, Turkey

Occurrence of invasive species and seasonal dynamics of fruit flies (Diptera: Drosophilidae) species in Uşak province, Turkey

Insecticide Control of Drosophila suzukii in Commercial Sweet Cherry Crops under Cladding

Natural compounds for controlling Drosophila suzukii. A review

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