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Pest/Disease Management

Citrus Mealybug Field Day, May 5

To teach PCAs about citrus mealybug (an emerging concern for citrus growers) this field day will focus on lectures on pest identification and biology, scouting/monitoring, and management, lecture on ant control.  With this knowledge, PCAs can monitor the fields for mealybug infestation and develop informed management strategies.  Attendees will receive instruction from Sandipa Gautam and David Haviland from the UC …

Invasive Plant Pest & Disease Awareness Month

CDFA is joining the USDA in declaring April 2023 Invasive Plant Pest and Disease Awareness Month . This national outreach month is dedicated to highlighting the impact of invasive plant pests and diseases on plants nationwide. The focus is on raising public awareness about the threat and how residents can help. Each year, invasive insects and plant diseases cause an estimated $40 …

Combatting the Arch Nemesis Pest of the CA Grape Industry

The arch nemesis pest of the California grape industry continues to spread to more grape growing areas. Vine mealybug damage not only leads to black sooty mold on grapevine leaves and clusters, but it can also transmit and spread grapevine leafroll associated viruses that have been devastating vineyards.  Watch this brief interview with UCCE Kern County Entomology Advisor David Haviland …

Mitigating the Effects of Grapevine Red Blotch Disease

With grapevine red blotch disease widespread across the west, what’s a grower to do with a young or old vineyard that contracts this disease?  How does it impact grape yield and quality and are there ways to mitigate the detrimental effects of this disease?  Watch this brief interview with the new UCCE San Joaquin County Viticulture Advisor Justin Tanner to …

Artificial Light at Night Aids Caterpillar Predators

To save caterpillars, turn off your porch light. Moderate levels of artificial light at night – like the fixture illuminating your backyard – bring more caterpillar predators and reduce the chance that these lepidoptera larvae grow up to become moths and serve as food for larger prey. This new Cornell research was published March 8 in the Proceedings of the …

Josh Harder Brings Stuffed Swamp Rat Back to Congress to Combat Invasion

Representative Josh Harder (CA-09) demanded answers from U.S. Fish and Wildlife Services during a House Appropriations Subcommittee on Interior, Environment, and Related Agencies with ‘Nellie’, a taxidermied nutria, about their proposed funding cuts for controlling the invasive rodent population. Nutria are an semi-aquatic invasive species from South America that are easily recognized by their “nacho cheese” teeth that they use …

Almond Board Team Bolsters Nutrition Research and Pest Management

Two experts – one with a background in nutrition research; the other in pest management – have joined the Almond Board of California’s Research and Innovation team. As the associate director of nutrition research, Elena Hemler has been working on a new process to prioritize which research projects the Almond Board funds based on the marketing potential and the nutrition …

Almond Board Launches New Website to Help Growers Coordinate NOW Mating Disruption Efforts

In effort to improve area-wide management of navel orangeworm, the number one pest of the California tree nut industry, the Almond Board of California has launched a new website to help growers and PCAs coordinate/collaborate on mating disruption efforts. Funded by a grant from the California DPR, the Almond Board has created this new online tool with support from Land …

Applying Herbicides Safely to Keep Residue Off of Harvested Almonds

While there has been research and work underway to move the almond industry to off-ground harvesting such as is done in pistachios, harvested almonds currently spend just enough time in the dust of orchard floors that they can pick up trace residues of herbicides.  Watch this brief interview with UC Cooperative Extension Weed Specialist Brad Hanson as he shares how …

California Highlights 6 Leaders with Integrated Pest Management Achievement Awards

On Thursday, Feb. 23, the California Department of Pesticide Regulation (DPR) honored six leaders for their innovation and commitment to implementing integrated pest management (IPM) at the department’s annual IPM Achievement Awards ceremony. The IPM Achievement Awards celebrate organizations and individuals who are leading the adoption of IPM in California, including a program that supports underserved farmers and a Major League …

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