Powdery Mildew Fungicide Resistance

Research funded by American Vineyard Foundation (AVF) found that in Washington, Oregon and California, over 90% powdery mildew samples tested were found to be resistant to QoI (FRAC Class 11) and abou read more

Grapevine Red Blotch Virus Testing

Our Grapevine Red Blotch Virus testing service has helped clients: 1Source and screen new planting materials such as budwood and rootstocks; Survey the health s read more

Red Blotch

Examples of Conventional DNA Sequencing used in Answering Growers Questions

While next generation sequencing (NGS) is receiving all the headlines, traditional Sanger sequencing is carrying on the grunt of the work in day-to-day laboratory analysis. Here at Agri-Analysis we ro read more

DNA Sequencing Disease

Testing for Powdery Mildew Spore Count and Fungicide Resistance

Key Headline: Knowing the Powdery Mildew Spore Count and Possible Fungicide Resistance in Your Vineyard can Help You Make an Informed Management Decision and Make Your Fungal Management Program More T read more

Powdery Mildew Qualitative vs Quantitative Resistance

What is Qualitative Resistance? It is like a light switch on or off. For resistance to quinone outside inhibitor (QoI) fungicides (FRAC Group 11), the identification of the G143A mutation in Cytochrom read more

Vineyard Decline Etiology Update

During recent years, a number of growers have reported vine decline problems in their vineyards. In the heat of the summer, leaves would first wilt, then dry and soon die off. Photos #1 and #2 show de read more

Powdery Mildew Spore Count and Fungicide Resistance

Knowing the Powdery Mildew Spore Count and Possible Fungicide Resistance in Your Vineyard can Help You Make an Informed Management Decision and Make Your Fungal Management Program More Targeted, Susta read more

Behind the Scene of Virus Testing in Vines

On March 2, Agri-Analysis hosted the first field day of 2018 organized by the Napa Valley Grapegrowers (NVG) Association. Napa growers got a behind-the-scene view of what happens to their vine samples read more

Ingenuity and Technology Making Advances for the Wine Industry

Five wine businesses awarded WINnovation Awards Whether solving a problem or seizing an opportunity, these five wine industry suppliers used ingenuity and technology to develop innovative products and read more

DNA Maps Consumers' Route to Good Wine Choices

The wine purchase decision is a confusing, anxious moment for many consumers, and a critical opportunity for wine brands. How does, will, should, one decide which wine to purchase when not in a positi read more