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Pest/Disease Management

NIFA Invests $21.7M in Emergency Citrus Disease Research and Extension

USDA-NIFA’s Emergency Citrus Disease Research & Extension (ECDRE) program brings the nation’s top scientists together with citrus industry representatives to find scientifically sound solutions that combat and prevent citrus greening (HLB)​ at the farm-level. For the first time in the program’s history, NIFA is supporting an HLB-focused Coordination Network (CN) Project led by an interdisciplinary team of scientists representing all three major citrus producing …

New Commercial HLB Detection Response Guide

To ensure California citrus growers are well prepared in the event of a potential commercial grove detection of Huanglongbing (HLB), the deadly citrus plant disease that can be spread by the Asian citrus psyllid (ACP), the Citrus Pest and Disease Prevention Program (CPDPP) has developed a response guide for growers to utilize and educate themselves on the California Department of Food and …

New Nanoparticle-Based Sensors to Measure Residual Herbicides in Food

Two newly developed, low-cost tests that use nanoparticles to detect chemicals can accurately measure tiny amounts of two potentially harmful herbicides in fruits, vegetables and their products. Reporting in the journal Food Chemistry, a Washington State University research team used two testing methods to measure the levels of two herbicides, namely atrazine and acetochlor, in samples of apples, strawberries, cabbage, corn and …

A More Effective Way to Win the Battle Against Vine Mealybug

Vine mealybug has never been more widespread across the grape growing regions of California than it is now.  Watch this video interview with Nathan Mercer from the Kent Daane Lab at UC Berkeley, who shares a more effective and collaborative way to control this pest in vineyards.  Read more about vineyard pest management in American Vineyard Magazine. Please thank this …

Best Practices for Keeping Herbicide Residue off Your Grapes

As grape growers strive to continue minimizing herbicide drift and residue on their vines/fruit, watch this brief video with Emeritus UCCE Weed Science Advisor John Roncoroni on best practices that can also save money on spray applications. Read more about it in American Vineyard Magazine. Please thank this video’s sponsor Suterra for their industry support.

Fresno State Researchers Investigate Smoke Taint in Wine Grapes to Help Define Thresholds

Viticulture and enology researchers from multiple universities have been feverishly working with the western wine grape industry to learn more about how wildfire smoke impacts developing wine grapes. The hope is to develop some form of industry standard threshold for smoke taint, so that wine grapes will not be rejected at the winery unless they have truly been compromised.  Watch …

Thirteen UC Davis Scientists Contribute to Special Journal Edition on Spotted-Wing Drosophila

Thirteen UC Davis scientists or former affiliates are among authors from eight countries who contributed to research articles for the Journal of Economic Entomology’s Special Collection: Research Advances in Spotted-Wing Drosophila suzukii Management. The recently published Special Collection showcases 14 articles. Native to Asia, the agricultural pest is a worldwide threat to the berry production industry, which includes raspberries, blackberries, blueberries, strawberries, and cherries. The …

Be on Lookout for Migratory Monarchs

They’re here and more are coming! Be on the lookout for migratory Monarch butterflies from the Pacific Northwest heading south to their overwintering sites along the California coast. It’s been a very good year for Monarchs in the Pacific Northwest (PNW), according to noted entomologist and Monarch researcher David James, an associate professor at Washington State University (WSU), Pullman. “The numbers we are …

Harnessing the Power of Natural Volatile Compounds in Grapevines that Thwart Sharpshooters

Grapevines have a natural defense mechanism against Glassy-winged sharpshooter, a notorious vector for Pierce’s disease, that researchers are trying to learn more about. Watch this brief interview with Julie Pedraza from the Fresno State Viticulture & Enology Research Center and read more about it n American Vineyard Magazine. Please thank this video’s sponsor Suterra for their industry support.

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