Big Dips in California Navel and Mandarin Forecasts

Len Wilcox California Corner, Crop Forecast

The California Citrus Mutual (CCM) Marketing Committee estimates that the total navel orange crop for the 2021-22 season will be down 20% from the previous season’s final utilized, or sold, production. The committee also estimates that the mandarin crop will be down as much as 45% from the 2020-2021 season. According to the California Department of Food and Agriculture’s 2021-22 California …

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Medfly Quarantine in Southern California

Len Wilcox California Corner, Pests

A portion of San Bernardino and Los Angeles counties have been placed under quarantine for the Mediterranean fruit fly (Medfly) following the detection of two wild flies in and around the city of Upland in San Bernardino County. The U.S. Department of Agriculture (USDA), California Department of Food and Agriculture (CDFA), and the San Bernardino and Los Angeles county agricultural …

Citrus Specialist John Pehrson Honored

Len Wilcox California Corner

It’s been 30 years since John Pehrson retired as a University of California Cooperative Extension (UCCE) citrus specialist, but he left such a lasting impression on the citrus industry that his work is still revered today. Pehrson was gifted at translating University of California (UC) research and offering practical solutions to help growers better manage their resources and improve citrus …

Orange Establishment and Production Costs

Len Wilcox California Corner, Economics

The costs of establishing and producing oranges in the San Joaquin Valley and the potential returns are the subjects of a new study by University of California (UC) specialists.  Conducted by UC Agriculture and Natural Resources, UC Cooperative Extension and the UC Davis Department of Agricultural and Resource Economics, the study includes information on the production of navel oranges using …

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California Navel Crop Forecast

Len Wilcox California Corner, Crop Forecast

The California Department of Food and Agriculture, working with the U.S. Department of Agriculture, has announced that the initial 2021-22 California navel orange forecast is 70 million cartons, down 14% from the previous year. Of the total navel orange forecast, 67 million cartons are estimated to be in the Central Valley. Cara Cara variety navel orange production in the Central …

Soaring Costs for California Citrus Growers

Len Wilcox California Corner

A report issued by California Citrus Mutual (CCM) says that COVID-19 and now a devastating drought have resulted in staggering increases in costs for citrus growers, with only a minimal price correction in the market. Additionally, earlier this year, some growers in Ventura and San Diego counties reported losses due to a severe storm that uprooted trees. The storm also damaged …

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First HLB Detection in San Diego County

Len Wilcox California Corner, HLB Management

The California Department of Food and Agriculture (CDFA) has declared a quarantine in north San Diego County following the detection of the citrus disease huanglongbing (HLB), known as citrus greening. The disease was found in two citrus trees on one residential property in the city of Oceanside. This is the first time the plant disease, which does not harm people …

HLB Control Has Been Costly for Growers

Len Wilcox California Corner, HLB Management

California’s efforts to keep huanglongbing (HLB) at bay have been largely successful. So far, the state’s huge citrus industry has avoided the devastating loss of trees that has occurred in Florida, South America and other commercial citrus-growing regions around the world. However, those efforts have come with a cost to citrus growers. Bruce Babcock, professor of public policy at University …

California to Launch CRaFT Project

Len Wilcox California Corner

The Citrus Research Board (CRB) has been awarded $3,438,059 in funding from the Huanglongbing Multi-Agency Coordination Group (HLB MAC) to support its California-focused Citrus Research and Field Trials (CRaFT). The overarching goal of the CRaFT project is to demonstrate additional mitigations to improve psyllid control within commercial groves across the various citrus-growing regions in California. This information will inform areawide …

California Funding to Reduce Wildfire Threat

Len Wilcox California Corner

California citrus growers joined their fellow farmers and ranchers in suffering through the worst wildfire season in California history. Some groves were directly threatened by wildfire, and many were located in growing areas that were blanketed with smoke for weeks or months. Smoke exposure resulted in employee time loss due to respiratory illness, and an increase in asthma and allergy …

Scouting Tips for Finding Asian Citrus Psyllids

Len Wilcox California Corner, Psyllids

A presentation at the recent Citrus Pest & Disease Prevention Committee State of the Central Valley meeting in California highlighted the importance of scouting for Asian citrus psyllids (ACP) in groves. Scouting becomes even more critical as the risk of ACP and HLB, the disease the insect transmits to trees, rises. The presenter, University of California (UC) Riverside Extension Specialist …

Dams Needed to Deal With Drought

Len Wilcox California Corner, Water

This year’s La Niña weather event is bringing up bad memories for California citrus growers. The industry suffered during the drought years of 2012 to 2016 and the specter of a repeated drought looms with every dry day. The California Natural Resources Agency addressed drought fears in a recent report prepared by Jeanine Jones, interstate resources manager for the California …

Task Force Recommendations for ACP in Kern County

Len Wilcox California Corner

The San Joaquin Valley ACP/HLB Area-Wide Task Force strongly recommends citrus growers in Kern County, California, to add an Asian citrus psyllid (ACP)-effective material to their pre-bloom or spring foliar treatments. Since ACP build populations on the young leaf flush, the sooner growers spray, the better. Fortunately, this timing coincides with pre-bloom treatments for katydid, worms, thrips and other pests. …

Tarping Proven to Reduce ACP Movement

Len Wilcox California Corner, Psyllids

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 …

Citrus Showcase Speaker Predicts Trade War Ahead

Len Wilcox California Corner, Trade

Geopolitcal expert Peter Zeihan was the keynote speaker for the recent California Citrus Mutual Showcase. The showcase was presented March 4 online. Zeihan said he believes North America will recover from the economic impacts of COVID-19 this year, but the rest of the world will not. That, along with other factors, leads him to predict a trade war is inevitable, …

California Growers Needed for Thrips Study

Len Wilcox California Corner, Pests

Researchers from the University of California’s Kearney Agricultural Research and Extension Center are asking for help from industry members as they investigate citrus thrips. Thrips are a serious headache for citrus growers. They cause issues in all varieties of citrus, particularly in the San Joaquin Valley. Additionally, the pest has been known to rapidly develop resistance to management materials. Growers …

Fermented Food Waste for Fertilizing Citrus

Len Wilcox California Corner, Nutrition, Research

Fermented food waste converted to liquid fertilizer and fed through drip irrigation can boost bacteria that increase crop growth, according to a new University of California Riverside (UCR) study. The treatment may also make plants more resistant to pathogens. “Beneficial microbes increased dramatically when we added fermented food waste to plant growing systems,” said UCR microbiologist Deborah Pagliaccia, who led …

Ag Workers Among Those Most at Risk to COVID-19 Death

Len Wilcox California Corner, COVID-19, Research

A new study from the Centers for Disease Control and Prevention found that food-service, agricultural and construction workers were among the most at-risk for dying from exposure to COVID-19. The study points out high-density workplaces in any industry are possibly high risk. The close proximity of employees in high-density workplaces creates a high risk for transmission of coronavirus disease. The …

Wind Damages California Lemons

Len Wilcox California Corner, Weather

Wind damage sustained last week in California is still being assessed by county agriculture commissioners in San Diego and Ventura counties. However, damage appears to be limited to lemons and avocados. The wind damage was the result of a series of storms that swept through Southern California last week. The region experienced strong winds with gusts of nearly 100 mile-per-hour …

California Growers Reminded to Stay Alert

Len Wilcox California Corner, HLB Management

Jim Gorden, chair of the Citrus Pest and Disease Prevention Committee (CPDPC), is greatly concerned about the increase in sporadic Asian citrus psyllid (ACP) detections across California. Gorden sent an open letter to all citrus growers asking them to increase their vigilance against the pest and the risk of citrus greening, known as HLB disease. He said that “While the …