Risk of Spotted-Wing Drosophila Injury and Associated Increases in Acetic Acid in Minnesota Winegrapes

Ebbenga, Dominique N.; Burkness, E. C.; Clark, Matthew D.; Hutchison, W. D.

doi:10.5344/ajev.2020.20008

Cited by 7 publications

(6 citation statements)

References 27 publications

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“…Once the 5–7 clusters of grapes arrived at the enology lab, the same day as harvest, they were juiced, utilizing methods similar to Ebbenga et al ( 25 ). The juicing process consisted of placing the clusters from each plot in a 1-gallon Ziploc ® bag (S.C. Johnson & Son, inc., Racine, WI), and crushed by hand.…”

Section: Methodsmentioning

confidence: 99%

“…Once crushed, the subsequent juice was poured and pressed through a stainless-steel China Cap Strainer (New Star Foodservice, Chino, CA). The resulting juice was collected in a Falcon 50 ml Conical Centrifuge Tube (Fisher Scientific, Hampton, NH) and used to measure pH, and titratable acidity ( 25 ). In 2021, a second vial of juice was collected, labeled, and stored in a freezer at −62°C until the samples were delivered via overnight express shipment to the ETS laboratories (St. Helena, CA) to obtain measurements of tannin, polymeric anthocyanins, total anthocyanins, and polymeric anthocyanins/tannin index.…”

Section: Methodsmentioning

confidence: 99%

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Impact of Adult Popillia japonica (Coleoptera: Scarabaeidae) Foliar Feeding Injury on Fruit Yield and Quality of a Temperate, Cold-Hardy Wine Grape, ‘Frontenac'

et al. 2022

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Popillia japonica (Newman), is a highly polyphagous, invasive species, first recorded in the U.S. in 1916, and detected in Minnesota in the late 1960s. Historically, research on this pest in the Midwest U.S. has focused primarily on ornamental and turf crops, with little attention placed on adult feeding damage to fruit crops. Recently, wine grape producers in the region noted substantial increases in defoliation from P. japonica feeding, confirming concerns for this perennial high value crop. To address these concerns, studies were conducted during the summers of 2020–2021 to understand the impact of P. japonica foliar feeding on the quality and yield of wine grapes. Trials utilized vines of the wine grape variety, ‘Frontenac.' In addition to open plots, whole vines were caged within fine mesh netting and infested with P. japonica at 0, 25, 50, and 100 beetles per meter-row of vine. Beetles used for infestations were collected from natural field populations of P. japonica and left to feed until grapes were ready for harvest. During harvest, data collection included leaf samples for obtaining average percent defoliation, cluster weights, and berry subsamples for soluble solid content, pH, titratable acidity, and phenolic compound measurements. Results from these studies demonstrated that as beetle population density and defoliation per m-row increases, at-harvest measurements of quality parameters are significantly and negatively affected (P < 0.05) when compared with uninfested vines. The negative impacts to fruit quality exhibited in these studies will be important in the development of future management strategies for P. japonica in ‘Frontenac.'

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Impact of Adult Popillia japonica (Coleoptera: Scarabaeidae) Foliar Feeding Injury on Fruit Yield and Quality of a Temperate, Cold-Hardy Wine Grape, ‘Frontenac'

et al. 2022

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“…Spotted-wing drosophila is highly polyphagous and is documented to feed on over 25 different plant families, including many economically-important berry and stone fruit varieties ( 15 ). Losses can be caused by direct injury to the fruit or by other indirect effects, such as reductions in wine quality based on the spread of Acetobactor bacteria to wine grapes by SWD ( 16 ). In Minnesota raspberries alone, SWD is estimated to cause more than $2 million in annual losses ( 17 ).…”

Section: Introductionmentioning

confidence: 99%

The Protein Paradox: Elucidating the Complex Nutritional Ecology of the Invasive Berry Pest, Spotted-Wing Drosophila (Diptera: Drosophila suzukii)

Deans

Hutchison

2021

Front. Insect Sci.

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Spotted-wing drosophila (SWD), Drosophila suzukii, has become one of the most widely studied insect species over the last decade, largely due to its recent invasion and rapid expansion across the Americas and Europe. Unlike other drosophilid species, which colonize rotting fruit, SWD females possess a serrated ovipositor that allows them to lay eggs in intact ripening fruit, causing significant economic problems for fruit/berry producers worldwide. Though an impressive amount of research has been conducted on SWD's ecology and physiology, aspects of their nutritional ecology remain ambiguous. This review synthesizes the research to date to provide a more comprehensive view of SWD's nutritional relationship with its fruit hosts and associated microbes. Overall, data suggest that SWD's ability to utilize novel resources is likely due to changes in their ecological, rather than physiological, niche that are largely mediated by microbial associations. Studies show that SWD's nutrient intake is comparable to other drosophilid species, indicating limited adaptation to feeding on lower-protein resources. Instead, data show that fruit protein content is a reliable predictor of host suitability and that fruit-microbe dynamics have a strong impact on protein availability. In particularly, fruit protein increases after infestation with SWD-associated microbes, suggesting that initially-suboptimal intact fruits can become protein-rich on a timeframe that is relevant for larval nutrition. This body of work suggests that microbial associations between flies and their fruit hosts can compensate for the nutritional differences between intact and rotting fruit, and that these relationships are likely responsible for SWD's expanded nutritional niche.

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“…), cultivars with higher sugar and lower acidity were more susceptible to SWD infestation (Ioriatti et al 2015). In contrast, Ebbenga et al (2021) observed successful SWD larval establishment in only six of the 34 cold-hardy grape varieties assessed in Minnesota, with some having less than 1% of berries infested. The diversity of SWD infestation results among highbush blueberries, tart cherries, and grapes suggests that there are differences among other fruit crops as well.…”

mentioning

confidence: 86%

Spotted-wing Drosophila Host Preference and Quality Vary among Half-high Blueberry Cultivars

Gullickson

Hodge

Burkness

et al. 2023

horts

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Spotted-wing drosophila (Drosophila suzukii; SWD) is an invasive pest in the United States that is responsible for significant economic damage to soft-skinned fruit and berries worldwide. SWD uses a wide variety of cultivated and wild fruit for reproduction. Host suitability may depend on physical and chemical factors of the fruit, with a positive correlation of SWD oviposition and larval development generally associated with soluble sugar content, softer fruit, and higher pH, and a negative correlation of oviposition with fruit firmness. Variety selection is an important tool for integrated pest management, but few studies have reported host suitability across varieties within a single cultivated crop species for SWD. In this study, we investigated SWD oviposition and larval development in five half-high blueberry cultivars, Chippewa, Northblue, Northland, Patriot, and Polaris, using no-choice and two-choice laboratory bioassays. Using a host potential index, our results showed that Chippewa was the most preferred cultivar for oviposition as measured in the number of eggs laid per fruit, and Polaris was the least preferred. The inverse was true for larval development, with a higher survival rate and adult emergence in ‘Polaris’ than in ‘Chippewa’. There was a negative relationship between fruit firmness and oviposition and a positive correlation between pH and larval development. The results of this study indicate that cultivar selection for half-high blueberries may be a promising integrated pest management (IPM) tool, although further research under field conditions is needed for validation.

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Risk of Spotted-Wing Drosophila Injury and Associated Increases in Acetic Acid in Minnesota Winegrapes

Cited by 7 publications

References 27 publications

Impact of Adult Popillia japonica (Coleoptera: Scarabaeidae) Foliar Feeding Injury on Fruit Yield and Quality of a Temperate, Cold-Hardy Wine Grape, ‘Frontenac'

Impact of Adult Popillia japonica (Coleoptera: Scarabaeidae) Foliar Feeding Injury on Fruit Yield and Quality of a Temperate, Cold-Hardy Wine Grape, ‘Frontenac'

The Protein Paradox: Elucidating the Complex Nutritional Ecology of the Invasive Berry Pest, Spotted-Wing Drosophila (Diptera: Drosophila suzukii)

Spotted-wing Drosophila Host Preference and Quality Vary among Half-high Blueberry Cultivars

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