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Fungal microbiome associated with grapevine trunk diseases in Oregon vineyards

February 25, 2024

Grapevine trunk disease (GTD) is a disease complex that consists of the largest group of fungal pathogens causing disease and progressive vine decline.

Epidemiology and Management of Plant-parasitic Nematodes in Winegrapes

February 25, 2024

Nematodes can severely limit the successful establishment of vines and vineyards and impact production yields by 5-20%.

Botrytis Bunch Rot: Where, When, and What to use

February 25, 2024

The goal is to improve integrated pest management of Botrytis Bunch Rot (BBR) by improving our understanding of when and where Botrytis is produced.

Risk assessment of nematode-transmitted viruses of small fruit crops in the Pacific Northwest

February 25, 2024

A survey of nematode-transmitted viruses and nematode vectors was conducted in the Pacific Northwest with at least half the sites finding dagger nematodes (equally found in Oregon and Washington).

Heat stress in wine grapes: acclimation and potential mitigation

October 20, 2023

Heat stress poses challenges for the sustainable production of premium wine grapes in the Pacific Northwest.

Evaluating Commercially Available Technologies for Weed Management in Blueberries: Saturated Steam and Rotary Brush

October 20, 2023

Organic growers often list weed control as their most difficult and time-consuming activity. Many blueberry growers still rely on hand-weeding, but labor shortages and higher costs make this practice less...

Detection and monitoring of Tomato Ringspot Virus in red raspberry and Xiphinema americanum.

October 20, 2023

Development of alternate fertilization programs to mitigate nutrient problems found in long-term organic production systems

May 2, 2023

In long-lived organic blueberry production systems, nutrient imbalances caused by some fertilization and mulching practices can reduce yield and plant health

Enhanced IPM of Rose Stem Girdler, an Emerging Pest of Pacific Northwest Caneberries

May 2, 2023

Rose stem girdler (RSG) is an invasive beetle pest of caneberry crops that is becoming increasingly problematic for Pacific Northwest (PNW) growers.

Developing a Spray-Induced Gene Silencing (SIGS) method for the control of Grape Powdery Mildew (Erysiphe necator)

February 21, 2023

Powdery Mildew development in vineyards in the Pacific Northwest is one of the greatest impacts to grape and wine quality.

Development of Aphid Resistance Resources in Black Raspberry

February 21, 2023

Black raspberry is a well-known Pacific Northwest specialty crop with unique flavor and nutritional attributes, but also unique vulnerabilities.

Diversity of Pseudomonas syringae and diagnosis and management of bacterial canker on blueberry

February 21, 2023

Bacterial canker caused by the bacterial pathogen Pseudomonas syringae is characterized by killed buds and stems.

Inducement of malolactic fermentation using Lactobacillus plantarum in musts and wines from the Pacific Northwest.

February 21, 2023

The completion of both alcoholic and malolactic fermentation in red wine are essential the quality and stability of red wine and to its commercial success in the market.

It takes a village: Understanding barriers to regional cooperatives for pest and disease management

November 4, 2022

abstract An individual grower’s response to pests and diseases in their vineyard can have consequences for an entire growing region. Collective action strategies can help align disease responses to achieve...

Developing a Spray-Induced Gene Silencing (SIGS) method for the control of Grape Powdery Mildew (Erysiphe necator)

November 4, 2022

abstract The project aims to develop a methodology to turn off specific grapevine genes (susceptibility genes ) and Powdery Mildew-related genes essential for the pathogen’s life cycle. Since September 2021,...

Sweet SWD control: non-target effects and field trials with erythritol

November 4, 2022

abstract Erythritol is a non-caloric sugar used in artificial sweeteners such as Truvia and is safe for human consumption. Formulations with erythritol have induced mortality among spotted-wing drosophila (SWD) adults...

Identification of the fungal pathogen causing dry-berry and development of tools for rapid identification

June 29, 2022

Identification of the fungal pathogen causing dry-berry and development of tools for rapid identification abstract Dry-berry, a disease of raspberry and blackberry, whereby immature green berries are killed, was first...

Biology and Management of Cutworms in Washington Vineyards

June 29, 2022

abstract Cutworms are capable of causing severe damage in vineyards during the early spring months when vines buds and tender shoots are at their most vulnerable. Damage to buds can...

Detection of wine faults using the electronic tongue

June 29, 2022

abstract Faulted wines pose a serious economic problem to the wine industry, these off flavors can cause consumers, new to a region or variety, to reject that region entirely. Wine...