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Pest/Disease Management

Citrus Research Board Secures Immense Support from Citrus Growers

California citrus growers voted to continue their support of the Citrus Research Board (CRB) by a broad margin in a state-mandated referendum. The just-concluded referendum, which must be held every five years, was conducted by the California Department of Food and Agriculture (CDFA). A majority of eligible citrus producers cast their vote and their support was nearly unanimous – 97.80 …

Tips to Save Avocado from Root Rot

Root rot is a term referring to any disease where the pathogen damage and deteriorate the plant’s root system. Root rot can occur on most woody and herbaceous plants. Root rot is caused by many soil-borne fungi. Most fungi causing root rot to prefer wet soil conditions. Some of them produce spores (microscopic biological particles that allow fungi to be …

Asian Citrus Psyllids Found in Fresno County

The California Department of Food and Agriculture’s Plant Pest Diagnostic Center (PPDC) has identified two Asian citrus psyllids (ACP) on a glassy-winged sharpshooter trap from a packinghouse in the Orange Cove area of Fresno County. This has been the first time that the ACP has been detected in Fresno County since November 2019. Following confirmation of the ACP detections, agricultural …

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 …

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 …

Grant to Support Affordable Testing to Fight Little Cherry Disease

Washington State University (WSU) will help cherry growers test more trees for the damaging Little Cherry Disease thanks to a Washington State Department of Agriculture Specialty Crop Block Grant received by the Washington State Tree Fruit Association. Named for its most distinct symptom—small, colorless fruit—what growers call ‘Little Cherry’ is a simultaneous outbreak of Little Cherry virus-2 and the X-disease …

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 …

Areawide, Coordinated ACP Treatment Participation More Important Than Ever For Citrus Growers

As the threat of Huanglongbing (HLB) continues, industry members know that the best way to prevent HLB from infecting our groves is to limit populations of the Asian citrus psyllid (ACP), which spread the deadly disease. This winter, it’s critically important for California’s citrus growing operations to actively participate in local, area-wide or coordinated treatments to further boost our industry’s efforts in …

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