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Pest/Disease Management

A New Effective Way to Control Mealybugs in the Vineyard

Got vine mealybug in the vineyard? Consider mating disruption in your IPM program.  Watch this brief interview with Kent Daane from the UC Cooperative Extension as he shares how it works and how effective their research trials have been throughout the state in utilizing this technology.  Read more about vineyard pest management in American Vineyard Magazine.

UC Riverside Discovers First Effective Treatment for Citrus-Destroying Disease

UC Riverside scientists have found the first substance capable of controlling Citrus Greening Disease, which has devastated citrus farms in Florida and also threatens California. The new treatment effectively kills the bacterium causing the disease with a naturally occurring molecule found in wild citrus relatives. This molecule, an antimicrobial peptide, offers numerous advantages over the antibiotics currently used to treat the …

Additional Commodities Eligible for Coronavirus Food Assistance Program

Today, U.S. Secretary of Agriculture Sonny Perdue announced an initial list of additional commodities that have been added to the Coronavirus Food Assistance Program (CFAP), and that the U.S. Department of Agriculture (USDA) made other adjustments to the program based on comments received from agricultural producers and organizations and review of market data. Producers will be able to submit applications …

Does Adjusting Soil pH Control Clubroot of Brassicas?

Clubroot disease  can be a serious production issue for broccoli, cauliflower, and other brassicas in the Salinas Valley. The disease  is caused by a unique organism (Plasmodiophora brassicae) that is closely related to ciliate protozoans but is classified in its own taxonomic group. It survives over 20 years as resting spores in the soil that are released as the clubbed …

Pierce’s Disease/Glassy-Winged Sharpshooter Continuation Referendum Passes

The Pierce’s Disease & Glassy-Winged Sharpshooter (PD/GWSS) Referendum, conducted this spring, passed with 78 percent approval of California winegrape growers. All winegrape producer entities that paid the assessment on grapes crushed in 2019 received ballots and 49 percent cast ballots. Assessment funds are used for research, outreach, and related activities on PD, GWSS, and other designated pests and diseases of …

PMA Launches the Essentials of Produce Safety — Online Professional Training Program

The Produce Marketing Association (PMA) has announced the launch of its eLearning certificate course Essentials of Produce Safety, an entirely online, affordable and in-depth program covering the key challenges and best practices in produce safety. The course is the first certificate program in PMA’s new educational platform offering, FreshEd Academy. The course was developed in partnership with Intertek Alchemy, the …

Attracting Natural Enemies of Pests to Your Field

Dr. Eric Brennan is a Research Horticulturist at ARS’s Crop Improvement and Protection Research Unit in Salinas, CA. Dr. Brennan specializes in crop production and climate-smart farming. Welcome Dr. Brennan (EB) to Under the Microscope (UM): UM – You have a rather novel alternative approach to control insect pests like aphids in lettuce without using pesticides, called conservation biological control. Please explain:  EB – Sure, biological …

$650,000 Grant to Study Wild Wheat to Help Prevent Diseases

The 2Blades Foundation and collaborators at the University of Minnesota, Kansas State University, and the John Innes Center will study wild emmer wheat to discover genes that can help farmers combat devastating wheat rust diseases which are estimated to cost farmers and consumers nearly $3 billion each year. The United States Department of Agriculture’s National Institute of Food and Agriculture …

BASF Files Motion to Intervene in Ninth Circuit Case that Vacated Dicamba Registrations

BASF has filed an emergency motion to intervene following the decision by the United States Court of Appeals for the Ninth Circuit to vacate the federal registrations of three dicamba-based herbicides, including BASF’s Engenia® herbicide. The Court’s June 3, 2020 decision brought BASF’s product into the case for the first time. BASF has now made the request to intervene after …

Three Ways to Prevent Almond Hull Rot

As almond growers in California prepare for hull split, almond hull rot is often a problem on their minds during this time. As UC Cooperative Extension Orchard Systems Farm Advisor Franz Niederholzer says, prevention is key.  Watch this brief interview with Franz as he shares three tips on avoiding this costly issue in the orchard, and read more about it in …

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