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Pest/Disease Management

Victoria Hornbaker Moves from Director of Citrus Pest & Disease Prevention Division to Plant Health and Pest Prevention Services Division

The California Department of Food and Agriculture’s (CDFA) Citrus Pest and Disease Prevention Division (CPDPD) has announced that as of May 14, 2024, Victoria Hornbaker, former director of the CPDPD, will transition to her new role as the director of the CDFA’s Plant Health and Pest Prevention Services (PHPPS) Division. David Gutierrez, branch chief of the CPDPD, will serve as …

What Nut Growers Can Do to Combat the New Carpophilus Pest

It seems we are always on the verge of some type of apocalypse, and with the new carpophilus beetle invading California tree nut orchards, there is cause for concern.  Watch this brief California Ag Network interview with UC Riverside CE Entomology Specialist Houston Wilson to learn more about this pest and how to stop it from damaging your crops.

Rising Fruit Fly Populations Concern California Growers

Fruit fly populations spiked last season and brought multiple species, compounding the damage to vineyards and orchards following Hurricane Hilary.  This is a continued concern for California fruit growers moving into the 2024 season with limited pest management tools available. Watch this brief California Ag Network interview with Adam Borchard from the California Fresh Fruit Association to learn more.

HLB Funding Prioritized in Farm Bill Proposal

California Citrus Mutual (CCM) commends Chairwoman Stabenow of the Senate Agriculture Committee and Chairman Glenn Thompson from the House Agriculture Committee for prioritizing the citrus industry’s fight against Huanglongbing (HLB) in each of their frameworks for the 2024 Farm Bill. Each Chair’s framework continues support of the Emergency Citrus Disease Research and Extension Program at $25 million per year for …

USDA to Protect Hundreds of Crops from Invasive Fruit Flies

The U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (APHIS) has released “Fruit Fly Exclusion and Detection Program Fiscal Years 2024-2028 Strategy.” APHIS worked with members of the National Plant Board to develop a unified roadmap for USDA and its partners to protect American agriculture from the threat of invasive fruit flies and measure our progress along the …

California Citrus Breeding Program Expanding with Congressional Support

Today, Presidents of California Citrus Mutual (CCM) and Citrus Research Board (CRB) issued statements applauding Congressional leaders for recently approving additional funds for the new citrus breeding program in Parlier, California. Congress is allocating an additional $500,000 in federal funding on top of the $1 million granted last year to expand the program into California. The program will now receive $1.5 …

USDA Scientists Develop Technology to Reduce Pathogens in Intact Eggs

CDC estimates Salmonella bacteria causes about 1.35 million infections, 26,500 hospitalizations, and 420 deaths in the United States every year. Despite their appearance in everyday meals and snacks, the truth is that raw eggs and egg products can carry Salmonella and cause foodborne illness and outbreaks, and even death, in some circumstances. But researchers at the U.S. Department of Agriculture (USDA) recently found a …

Edible Blue-Green Algae to Protect Honey Bees Against Viruses

Scientists at the United States Department of Agriculture (USDA)’s Agricultural Research Service (ARS) developed an edible antiviral treatment that can be used to protect honey bees against Deformed Wing Virus (DWV) and other viruses, according to a recent study published in Sustainable Agriculture. Honey bees are important agricultural pollinators. However, viruses, including DWV, are linked to the deaths of millions of colonies worldwide. …

Update to ACP and HLB Bulk Citrus Movement Requirements

Effective March 12, 2024, the Citrus Pest and Disease Prevention Division (CPDPD) has updated the requirements for moving bulk citrus fruit from an Asian citrus psyllid (ACP) quarantine zone to a packer/processor in a Huanglongbing (HLB) quarantine area. Citrus fruit may now be moved from any ACP quarantine zone to an HLB quarantine area for packing or processing without a mitigation, such as a …

UCCE Tulare County Assists Pathologists in Survey for Decay Fungus in Prunes

Recently, extensive wood decay-related limb breakages have been reported in commercial prune orchards in the Sacramento Valley, adversely affecting fruit production and limiting the value of salable firewood upon orchard removal. Several fungal genera such as Phellinus, Rhodoformes, Schizophyllum, Sterum, Trametes, Ceriporia, and Perenoporia have been recognized for wood-decaying activity on California prunes.  Phellinus pomaceus has been the primary organism associated with prune decay symptoms in the Sacramento Valley; however, …

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