Berry skin resistance explains oviposition preferences of Drosophila suzukii at the level of grape cultivars and single berries

Entling, Wiebke; Anslinger, Sonja; Jarausch, Barbara; Michl, Gertraud; Hoffmann, Christoph

doi:10.1007/s10340-018-1040-7

Cited by 45 publications

(41 citation statements)

References 26 publications

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“…However, it is known that D. suzukii is able to accept fruits of various colors for oviposition [4]. Our results are well in accordance with monitoring data from other regions, e.g., Rheinland-Pfalz, Germany [28], and Switzerland [43], in which partly the same grape varieties were investigated. However, in Switzerland Cahenzli and Daniel (2016) [44] reported medium susceptibility of some white varieties (e.g., "Solaris", "Johanniter", and "Bronner") in no-choice tests.…”

Section: Discussionsupporting

confidence: 89%

“…Various visual, physical, and chemical factors may affect D. suzukii preference behavior for different plant species and varieties and offspring performance in different fruits, such as volatiles, size, color, skin firmness and penetration force, maturity, sugar content, acidity, and nutrient content [16,17,[25][26][27][28][29][30]. For example, D. suzukii utilizes visual cues such as fruit color as remote sensory information for host location [31].…”

Section: Introductionmentioning

confidence: 99%

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Effects of Variety and Grape Berry Condition of Vitis vinifera on Preference Behavior and Performance of Drosophila suzukii

Weißinger

Samuel

Breuer

et al. 2019

Insects

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Drosophila suzukii is an invasive fruit pest and represents a potential economic threat to viticulture. After first observations of D. suzukii in Europe in 2008, research mainly focused on the evaluation of the host range and infestation risk for fruit and berry crops. However, the risk assessment of D. suzukii in viticulture has only recently started. Understanding the factors influencing preferences of D. suzukii for host species and varieties as well as offspring performance is essential to improve management strategies. We investigated the field infestation of different grape varieties across Baden-Wuerttemberg, southwestern Germany, between 2015 and 2018. Moreover, we performed dual-choice assays in the laboratory to investigate whether adults show preferences for certain varieties and whether offspring performance differs between varieties. Furthermore, we studied the impact of grape damage on choice behavior. Field monitoring revealed that D. suzukii show preferences for red varieties, whereas almost no oviposition occurred in white varieties. The results of dual-choice assays confirmed that D. suzukii preference and performance are influenced by grape variety and that flies preferred damaged over intact "Pinot Noir", "Pinot Blanc", and "Müller-Thurgau" berries. Overall, these findings may have important implications for winegrowers regarding cultivated varieties, grape health, and insecticide reduction.

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Section: Discussionsupporting

confidence: 89%

Section: Introductionmentioning

confidence: 99%

Effects of Variety and Grape Berry Condition of Vitis vinifera on Preference Behavior and Performance of Drosophila suzukii

Weißinger

Samuel

Breuer

et al. 2019

Insects

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“…The percentage above is an estimate based on 160,000 berries from 600 Swiss vineyards between mid‐August 2016 and October 2016, and thus does not represent the real damage suffered by grape growers in their vineyards . Overall, we find that infestation pressure and damage to growers are heterogeneous over time and space, and might also depend on the cultivation system . Susceptibility to infestation is also variety specific and depends mainly on skin hardness, sugar content and acidity levels .…”

Section: Background: D Suzukii In Swiss Grape Productionmentioning

confidence: 99%

“…46 Overall, we find that infestation pressure and damage to growers are heterogeneous over time and space, and might also depend on the cultivation system. 14,21,40,[47][48][49] Susceptibility to infestation is also variety specific 14,16 and depends mainly on skin hardness, 49 sugar content and acidity levels. 14 Grapes prone to damage might be more sensitive to D. suzukii than intact grapes, 50 in some cases red grapes are reported to be more attractive than white varieties 14,16,21,51 and the sensitivity of the grapes is higher when fully ripened.…”

Section: Background: D Suzukii In Swiss Grape Productionmentioning

confidence: 99%

Management strategies against Drosophila suzukii: insights into Swiss grape growers choices

Knapp

Mazzi

Finger

2019

Pest Management Science

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Background In 2017, we investigated measures adopted by Swiss grape growers in response to Drosophila suzukii by conducting a survey presenting information obtained from 372 growers on 1708 vineyards. Results We found the strategies adopted to be heterogeneous and largely dependent on grape variety (table vs. wine grapes). We identified six clusters of control methods to combat D. suzukii, the most important of which involves using a combination of control methods such as insecticides, mass trapping and sanitation measures, especially pinching of foliage or mowing and mulching. Grape growers in our sample rely primarily on information from public institutions or other growers and the majority plan to continue taking sanitation measures to combat D. suzukii. Conclusion Our results suggest that strategies adopted in Switzerland differ widely, not only between growers, but also at a vineyard and regional level. Thus, policies and extension services should be targeted (e.g. to varieties and regions) and tailored to types of growers. We find that preventive measures are important when combatting D. suzukii and can reduce post‐infestation measures such as pesticide usage. In our sample, biological insecticides, such as kaolin, played a vital role in the control of D. suzukii and merit further support. © 2019 Society of Chemical Industry

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“…In contrast, Drosophila suzukii Matsumara (Diptera: Drosophilidae), an invasive vinegar fly species from Asia, introduced to North America and Europe since 2008, is able to infest healthy, undamaged fruit with its serrated ovipositor (Asplen et al, ; Atallah, Teixeira, Salazar, Zaragoza, & Kopp, ; Hamby & Becher, ; Ørsted & Ørsted, ; Schetelig et al, ; Walsh et al, ). It is a major pest of cherries, raspberries and blueberries, but can also infest some, primarily soft‐skinned, grape varieties (Entling, Anslinger, Jarausch, Michl, & Hoffmann, ; Ioriatti et al, ; Kehrli, Linder, Cahenzli, & Daniel, ; Lee et al, ; Shrader, Burrack, & Pfeiffer, ). In viticulture, it is still debated whether D. suzukii is able to induce sour rot disease.…”

Section: Introductionmentioning

confidence: 99%

Single and combined effects of Drosophila suzukii and Drosophila melanogaster on sour rot development in viticulture

Entling

Hoffmann

2019

J Applied Entomology

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Sour rot is a disease complex that causes serious damage in viticulture. The common vinegar fly Drosophila melanogaster (Diptera: Drosophilidae) is associated with sour rot in overripe or otherwise damaged grapes. Drosophila suzukii (Diptera: Drosophilidae) is an invasive species, which is suspected to induce sour rot in previously undamaged grapes due to the flies' ability to infest healthy, undamaged soft fruits with its serrated ovipositor. As a consequence, infection of healthy grapes by D. suzukii may facilitate the colonization by D. melanogaster. We investigated the single and combined effects of D. suzukii and D. melanogaster on sour rot development by measuring volatile acidity under near‐natural conditions in the vineyard, along with laboratory experiments under controlled climate. In 2017, the combined field and laboratory experiments suggested that the presence of D. suzukii and D. melanogaster increased the volatile acidity levels at a similar rate. In 2018, the field experiments showed an only marginal increase in sour rot development in treatments with both Drosophila species. Under more favourable laboratory conditions, the presence of D. suzukii, but not D. melanogaster triggered sour rot emergence. A facilitating effect of D. suzukii infestation for D. melanogaster was not detectable. These findings suggest that D. suzukii does in fact have the potential to trigger sour rot, but will probably rarely do so under field conditions in the vineyard, at least in the studied region. Instead, our study showed that D. melanogaster can have a similar impact on sour rot development as D. suzukii, emphasizing the need of comparative studies.

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Berry skin resistance explains oviposition preferences of Drosophila suzukii at the level of grape cultivars and single berries

Cited by 45 publications

References 26 publications

Effects of Variety and Grape Berry Condition of Vitis vinifera on Preference Behavior and Performance of Drosophila suzukii

Effects of Variety and Grape Berry Condition of Vitis vinifera on Preference Behavior and Performance of Drosophila suzukii

Management strategies against Drosophila suzukii: insights into Swiss grape growers choices

Single and combined effects of Drosophila suzukii and Drosophila melanogaster on sour rot development in viticulture

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