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Pest/Disease Management

The Many Faces of Foxtails

From roadsides in the city of Fresno to the oak woodlands in nearby Sequoia National Park, annual barleys and bromes are going to seed. In addition to a variety of other grasses, I often hear landowners, weed managers, pet owners, and veterinary advice blogs call these species “foxtails”. This common name is applied to so many species that if someone …

Healthy Roots, Healthy Trees: HLB & Soil Microbes

The rhizosphere, defined as the soil environment that surrounds the plant roots, is a rich and diverse habitat for microbes. Some members of the rhizosphere microbiome (or collection of microbes), are good, others bad while many are just there and don’t provide any benefits or harm to the host. One function of the good microbes in the rhizosphere is to …

Tarped Against Asian Citrus Psyllid

Researchers at the California Data Analysis and Tactical Operations Center (DATOC) have analyzed Asian citrus psyllid (ACP) trapping data along major transportation routes before and after tarping regulations for bulk citrus shipments were enacted. The purpose was to determine the effectiveness of the policy. DATOC is an independent group of scientists sponsored by the Citrus Research Board and the California …

Biopesticides: Categories and Use Strategies for IPM and IRM

Biopesticides contain active ingredients of natural or biological origin that include plant extracts, microorganisms, microbial metabolites, organic molecules, minerals, or other such natural materials that have pesticidal properties.  Pests such as herbivorous arthropods, pathogens, parasitic nematodes, mollusks, rodents, and weeds cause significant crop damage when they are not managed.  Pest suppression is a critical part of crop production to maintain …

New, Cross-Sector Work Group will Speed CA’s Shift to Safer Pest Management

Yesterday, the California Department of Pesticide Regulation and California Department of Food and Agriculture launched a broad new work group to accelerate the systemwide adoption of safer, sustainable pest control practices. The 25-member Sustainable Pest Management Work Group includes farmers, community members, university researchers and representatives from commodity groups and the pesticide industry. They are charged with identifying pathways to …

Leaffooted Bug Species May be Changing

Almond Board of California — Insect pest management in almond and pistachio orchards largely focuses on reducing damage from navel orangeworm (NOW). Yet, after navel orangeworm, large bugs such as leaffooted bugs (LFBs) and stinkbugs are considered to be among the most damaging insects. Leaffooted bug species of particular concern in the past have included Leptoglossus clypealis, Leptoglossus occidentalis, and Leptoglossus zonatus. Leptoglossus clypealis is occasionally …

How to Prevent Crown Gall in the Orchard

Keep getting crown gall in the orchard? Watch this brief interview with Kern County Area Orchard Systems Advisor Mohammad Yaghmour as shares a few simple steps on how to effectively prevent this detrimental infection.  Read more in Pacific Nut Producer and California Fresh Fruit Magazines. Please thank this video’s sponsor Trece for their industry support.

What Growers Need to Know about Sudden Grapevine Collapse

Sudden Vine Collapse is a disease complex that has become a lot more widespread across California than was previously thought. First coined by growers as Mystery Vine Collapse, researchers now have some answers.  Watch this brief interview with UC Davis Plant Pathologist Akif Eskalen to find out more and read about it in American Vineyard Magazine.   Please thank this …

How to Prevent Mold in Walnut

Did you see moldy walnuts in the orchard last season? Let’s not let that spoil the crop this year.  Watch this brief interview with UC Plant Pathologist Themis Michailides as he briefly provides some key points on mold prevention and read more about it in Pacific Nut Producer Magazine… Please thank this video’s sponsor Trece for their industry support.  

Novel Treatment Causes Killer Citrus Disease to Leak & Die

New research affirms a unique peptide found in an Australian plant can destroy the No. 1 killer of citrus trees worldwide and help prevent infection. Huanglongbing, HLB, or citrus greening has multiple names, but one ultimate result: bitter and worthless citrus fruits. It has wiped out citrus orchards across the globe, causing billions in annual production losses. All commercially important …

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