Joint Culturing Project for HLB?

Ernie NeffResearch

Four researchers from around the country summarized their work on culturing the causal agent of HLB and agreed to consider a large, joint culturing project. The Citrus Research and Development Foundation (CRDF) hosted the panel discussion on Nov. 5 about culturing Candidatus Liberibacter asiaticus (CLas). CRDF organized the presentation after receiving a request for funding of a CLas culturing project …

bayer crdf

Bayer HLB Project Extended

Ernie NeffHLB Management

A large multi-year Bayer Crop Science project aimed at finding solutions for HLB will be extended by a grant from a branch of the U.S. Department of Agriculture (USDA). The two-year grant for just over $10 million came from USDA’s National Institute of Food and Agriculture (NIFA). The grant is to the Citrus Research and Development Foundation (CRDF) and its …

Climate Outlook for the Southeast

Tacy CalliesWeather

University of Georgia Agricultural (UGA) Climatologist Pam Knox provided a climate outlook during a recent Georgia Citrus Update webinar. According to Knox, a strong La Niña is in place in the eastern Pacific Ocean, and the winds are now in sync with the ocean conditions. This signifies that La Niña is likely to continue through the winter months and into …

Advice for Cold-Hardy Citrus Growers

Ernie NeffMarketing

North Florida citrus growers who are new to the industry received some marketing advice and background information recently from Vero Beach grower and packer Dan Richey. He gave a presentation during a virtual annual meeting of the Cold Hardy Citrus Association on Sept. 23. Richey, president and CEO of Riverfront Packing, urged the growers to have a plan and to …

Trade Issues for Fresh Florida Citrus

Tacy CalliesCitrus

Dan Richey, president of Riverfront Packing Company, gave an update on trade issues impacting fresh Florida citrus during the recent virtual citrus Packinghouse Day meeting. Richey, also a member of the Agricultural Trade Advisory Committee, says foreign sales are especially important for Florida citrus.  One of the biggest topics of trade conversation is the effects on the market since the …

U.S. Citrus Production Declines

Ernie NeffProduction

Citrus utilized production in the United States for the 2019-20 season totaled 7.78 million tons, down 4 percent from the 2018-19 season. The production figures come from the Citrus Fruits 2020 Summary, a U.S. Department of Agriculture National Agricultural Statistics Service document. California accounted for 54 percent of total U.S. citrus; Florida totaled 42 percent, and Texas and Arizona produced …

Hurricane Season Forecast Updated to ‘Extremely Active’

Ernie Neffhurricane

Atmospheric and oceanic conditions are primed to fuel storm development in the Atlantic, leading to what could be an “extremely active” season. So say forecasters with the National Oceanic and Atmospheric Administration (NOAA) in its August update to the Atlantic Hurricane Season Outlook, initially issued in May. The 2020 Atlantic hurricane season is off to a rapid pace with a …

New Targets Found for HLB Treatments

Len WilcoxCalifornia Corner, Research

Thanks to recent advances in metabolic modeling, scientists are closer to gaining the upper hand on citrus greening (also known as huanglongbing or HLB), a disease that has wiped out citrus orchards across the globe. New models of the bacterium linked to the disease reveal control methods that were previously unavailable. Metabolic models of organisms are like road maps of …

APHIS Annual Report Highlights Citrus Efforts

Tacy CalliesDiseases, Pests

The U.S. Department of Agriculture Animal and Plant Health Inspection Service (APHIS) recently released an annual report titled “Plant Protection and Quarantine: Helping U.S. Agriculture Thrive — Across the Country and Around the World.” The document includes updates on efforts to manage citrus diseases. “PPQ (Plant Protection and Quarantine) stands shoulder-to-shoulder with citrus growers to combat citrus canker, huanglongbing (HLB …

Florida Grapefruit Decline in Final Forecast

Clint ThompsonCitrus, Florida

The U.S. Department of Agriculture released the final citrus crop forecast of the 2019-20 season on July 10. The only monthly change in Florida was in the grapefruit crop, which dipped slightly. Here’s a summary of the season’s production by variety and state: ORANGESThe Florida all-orange forecast remained unchanged at 67.65 million boxes, but is down 6 percent from last …

HLB Update for North Florida, South Georgia

Ernie NeffCitrus Greening

Since 2018, there have been no huanglongbing (HLB) finds in commercial citrus groves in North Florida, and there have still been no disease detections in Georgia groves. In North Florida, HLB was detected in groves in Live Oak in Suwanee County and Perry in Taylor County in 2018, reported Xavier Martini, a University of Florida Institute of Food and Agricultural …

psyllids

Psyllids May Give a Year’s Warning of HLB

Ernie NeffPsyllids

Although huanglongbing (HLB) disease was detected in Florida citrus in 2005, the HLB bacterium wasn’t found in Texas until 2011, when scientists detected it in Asian citrus psyllids (ACP). The disease wasn’t found in Texas citrus trees until 2012, suggesting that the HLB-spreading psyllids may be used for early detection of the pathogen in newly invaded areas. Factors influencing the spread …

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June Citrus Forecast Sees Florida Oranges Fall

Tacy CalliesCrop Forecast

The U.S. Department of Agriculture released an update to the 2019–20 citrus crop forecast on June 11. ORANGESThe Florida all-orange forecast is 67.65 million boxes, down from May’s 69.65 million boxes. The forecast for Florida non-Valencia orange production remains at 29.65 million boxes. Florida Valencia oranges fell 5 percent to 38 million boxes. The California all-orange forecast is 48.5 million …

Florida Citrus Crop Forecast Numbers Fall

Tacy CalliesCrop Forecast

The 2019–20 Florida citrus crop forecast released on May 12 by the U.S. Department of Agriculture saw decreases in all categories. The numbers for California and Texas did not change. ORANGESThe Florida all-orange forecast is 69.7 million boxes, down 1 percent from April’s 70 million boxes. If realized, this will be 3 percent less than last season’s revised final production. …

psyllids

Watch Out for Invasive Species

Daniel CooperPests

By Clint Thompson April is Invasive Plant Pest and Disease Awareness Month, and the United States Department of Agriculture (USDA) wants help in identifying invasive species that threaten the food supply and cause plant diseases. Samantha Simon, USDA’s executive director of emergency and domestic programs, says invasive species can threaten agriculture and many farming operations, especially in the Southeast. She …

Korea’s

Georgia Also Opposes China Citrus Imports

Ernie NeffExport/Import, Georgia

Like several organizations in Florida, the Georgia Citrus Association (GCA) has asked the U.S. Department of Agriculture (USDA) to reverse its decision to allow fresh citrus from China into the United States. GCA President Lindy Savelle asked for the reversal and expressed “strong opposition” to the April 15 USDA decision in an April 17 letter to U.S. Secretary of Agriculture …

COVID-19 Citrus Damage to Top $200 Million

Ernie NeffCOVID-19

The chief executives of three large U.S. citrus grower associations estimate that “the immediate COVID-19 impact to certain varieties of citrus will be over $200 million.” Casey Creamer of California Citrus Mutual, Dale Murden of Texas Citrus Mutual and Mike Sparks of Florida Citrus Mutual offered that economic damage assessment in an April 9 letter to U.S. Agriculture Secretary Sonny …

Final Herbicide Strategy

Florida Sees Dips in Orange and Grapefruit Forecasts

Daniel CooperCrop Forecast

The 2019–20 Florida all-orange forecast released on April 9 by the U.S. Department of Agriculture is 70 million boxes, down 1 million boxes from the March forecast. This represents a 1 percent decrease in the expected orange crop size. Non-Valencia Oranges The forecast for Florida non-Valencia orange production is unchanged at 30 million boxes. The non-Valencia harvest is about over …

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Florida Citrus Forecast: Grapefruit Up, Oranges Down

Daniel CooperCrop Forecast

The 2019–2020 citrus crop forecast released Feb. 11 by the U.S. Department of Agriculture (USDA) showed changes for Florida orange and grapefruit production levels. ORANGES The February forecast for Florida oranges is 2 million boxes lower than last month’s figures. However, if realized, the Florida all-orange forecast of 72 million boxes will be up slightly from last season’s final production. …