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Pest/Disease Management

Growers Petition for a Sonoma County Winegrape Pest & Disease Control District

Over the course of more than 18 months, a group of viticulturists and vineyard owners have been working together to research both the benefits of, and the process for establishing a Winegrape Pest and Disease Control District in Sonoma County. They have engaged in research and discussed an effort with elected and appointed Sonoma County Officials, University of California Cooperative …

“Cautiously Optimistic” about Leaffooted Bug Lure & Trap

Almond Board of California — With the rise of leaffooted bug damage showing up in almond kernels at the handler, the bottom line of growers is at stake. Research funded by the Almond Board of California and conducted at UC Riverside, is expanding much needed tools for effective IPM monitoring protocol to combat the pest. Across the industry, handlers have …

CA to Hold Public Workshops on Statewide Pesticide Application Notification System

The California Department of Pesticide Regulation will hold three public workshops on June 27, 28 and 29 to collect feedback to inform the next phase of design and development for the state’s pesticide application notification system. California will be the first state in the nation to develop a statewide system to provide the public more transparent and equitable access to …

Citrus Growers Encouraged to Increase Vigilance Following Recent ACP Detections in Central Valley

Following recent Asian citrus psyllid (ACP) detections in the Central Valley over the last few weeks, growers, packers, haulers and all citrus industry members are encouraged to be extra vigilant in their ACP mitigation steps and adherence to regulatory practices. Recently, multiple ACP were detected on traps at a packinghouse in the Woodlake area of Tulare County. Upon confirmation, visual …

Mating Disruption Research to Combat Spotted Lanternfly Included in CDPR’s $3.75 Million Investment

The California Department of Pesticide Regulation (DPR) today awarded $3.75 million to fund 10 research projects that explore Integrated Pest Management (IPM) tools for urban, non-agricultural and agricultural pest management. The 2021-2022 DPR Grants Programs funded by the state budget represent a 617% increase from the previous year’s funding to accelerate the transition to safer, more sustainable pest management. “The …

USDA-ARS and Weed Science Society of America Present Weed Science Webinar Series

The USDA’s Agricultural Research Service (ARS) and Weed Science Society of America (WSSA) today announced the launch of a free webinar series focusing on current research and advancements in managing weeds and invasive plants. “ARS scientists have worked in a wide range of agricultural and natural ecosystems that include agronomic and horticultural crops, pastures, forests, rangelands, wetlands and riparian areas,” …

Aphid ‘honeydew’ May Promote Bacteria that Kill Them

The word ‘honeydew’ sounds benign, but the sugary waste product of aphids can promote growth of bacteria that are highly virulent to the pests, according to a new study. The research takes a step towards understanding how some strains of the bacteria Pseudomonas syringae that live on leaves and are pathogenic to aphids might one day be used to control …

Citrus Canker in Nursery Stock Sold to CA, CDFA & USDA Take Action to Identify & Destroy Affected Plants

Citrus Pest & Disease Prevention Program — The United States Department of Agriculture’s Animal and Plant Health Inspection Service (APHIS) has confirmed the presence of citrus canker disease in a nursery in South Carolina. The nursery sells plants to consumers through online sales, including four locations in California since August 2021. Retail nurseries did not receive these plants. Citrus canker causes citrus …

Fresno County Vacancy on Citrus Pest & Disease Prevention Committee

The California Department of Food and Agriculture is announcing one vacancy on the Citrus Pest and Disease Prevention Committee. The Committee advises the CDFA Secretary on activities associated with the statewide citrus specific pest and disease work plan that includes, but is not limited to, outreach and education programs and programs for surveying, detecting, analyzing, and treating pests and diseases …

Research Indicates Paint Not Effective At Protecting Young Avocados From Herbicide Drift

California Avocado Commission — While it is often common practice for fruit growers to apply white latex paint to the bottom 2 to 3 feet of young, newly planted trees in order to provide some protection from herbicide drift, researchers note there is little evidence to prove this practice is effective. A recent blog post by Dr. Ben Faber summarized the …

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