hlb

Irrigation During the Dry Season to Increase Yield of HLB Trees

Daniel CooperIrrigation, Tip of the Week

By Tripti Vashisth and Mary Sutton Prolonged water deficits can negatively impact flowering, fruit growth, crop load and fruit quality. Unfortunately, HLB-affected trees are more susceptible to water deficits than healthy trees due to extensive root loss. Observing HLB-affected trees throughout the dry season showed that severely symptomatic trees consistently had lower leaf water potential than mildly symptomatic trees. This …

Brazilian

New Tool Will Help Brazilian Growers Manage Psyllids

Daniel CooperBrazil, HLB Management, Psyllids

Fundecitrus has launched Evaluate Psyllid, a tool that will help citrus growers choose insecticides to manage the pest that spreads citrus greening disease. Evaluate Psyllid will make available the results of insecticide efficacy experiments on field psyllid populations in different regions of Brazil’s citrus belt. The insecticide efficacy data will be constantly updated as experiments are carried out. It will …

lennon

Surviving to Fight Another Day

Daniel CooperFlorida, HLB Management

Bill Lennon is working with researchers to learn more about survivor trees that are standing up to HLB. Bill Lennon is a fifth-generation citrus grower who can recall the industry’s glory days when Central Florida had hundreds of thousands of citrus acres before the 1980s freezes pushed production southward in the state. But he’s remained dedicated to the area, managing …

Florida Southern College

Florida Southern College Has New Major

Daniel CooperEducation, Florida

Florida Southern College (FSC) in Lakeland will offer a new horticulture, land and resource management major in August for incoming students and current students who want to add a major or switch majors. It consists of 28 credit hours (without general education courses). Sixteen of those hours come from horticulture science, and the rest are business oriented with a focus …

production

Turkish Tangerine Production to Soar

Daniel CooperCrop Forecast, International

Tangerine production in 2023–24 in Türkiye (previously known as Turkey) is forecast to increase 55% to 2.88 million metric tons (MMT), according to the U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS). The huge increase is due to favorable spring rains and temperature conditions during blossoming in March 2023. The yield in Türkiye’s Aegean region is expected to increase …

texas

New and Expanded Canker Quarantines in Texas

Daniel CooperDiseases, Regulation, Texas

Federal and Texas agriculture officials announced they are establishing four new quarantine areas for citrus canker in Brazoria and Harris counties, Texas. They are also expanding three existing quarantine areas for citrus canker in Brazoria, Fort Bend, Galveston and Harris counties. The U.S. Department of Agriculture Animal and Plant Health Inspection Service (USDA APHIS) and the Texas Department of Agriculture …

fertilization

PIECES OF THE PAST: Reflections on Fertilization

Daniel CooperNutrition, Pieces of the Past

By Brenda Eubanks Burnette In his book, “The Cultivation of Citrus Fruits,” first published in 1926 by The MacMillan Company, H. Harold Hume covers a variety of topics, including the use of fertilizers and the different needs of young trees versus bearing trees. Following are insightful excerpts: “Young adult trees differ in their fertilizer requirements. Young trees use their food …

Georgia Citrus

Georgia Citrus Industry ‘Looking Forward’

Daniel CooperEvents, Georgia

The citrus industry has found footing in Georgia and needs continued support as this promising industry marches toward the future. Events like the Georgia Citrus Association annual meeting on Feb. 27 at the University of Georgia Tifton Campus Conference Center provided information tailored to protecting growers’ investments. “One of the things we wanted to do differently this year is remind …

European

After Recent Challenges, Texas Citrus Looking Up

Daniel CooperProduction, Texas

The Texas citrus industry has faced numerous challenges in recent years, including Hurricane Hanna in 2020, winter storm Uri in early 2021 and droughts in both 2022 and 2023. After Uri, Texas grapefruit production was at about 1.6 million boxes for the 2021–22 season, down 33% from the previous year. Orange production was about 400,000 boxes, down 62%. Juan Anciso, Texas …

Switzerland

Studying Citrus Greening in Switzerland

Daniel CooperCitrus Greening, HLB Management, Research

Lukas Hallman is about to embark on an internship in Switzerland to investigate the vascular system of trees affected by citrus greening. Hallman is in his final year of a Ph.D. program in horticultural sciences at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Indian River Research and Education Center. He is under the guidance of Lorenzo …

long

Long-Term U.S. Production Projections

Daniel CooperCrop Forecast

Total U.S. citrus production levels are projected to continue their long-term decline before stabilizing through 2033, the U.S. Department of Agriculture’s (USDA) Office of the Chief Economist recently reported. The trend is attributed to declining orange and grapefruit production alongside increasing production of lemons and tangerines. In the report, USDA Agricultural Projections to 2033, total U.S. citrus production is projected …

march

Sneak Peek: March 2024 Citrus Industry

Daniel CooperHLB Management, Sneak Peek, Soil Health

The March issue of Citrus Industry magazine is centered on tree and soil health. On the cover is Florida citrus grower Bill Lennon of Lennon’s Grove Service. The March cover story details Lennon’s efforts to learn more about survivor trees in his groves that are standing up to HLB. He is working with University of Florida Institute of Food and …

Food Safety Certification

Establishing Clean Breaks and Verification in Packinghouses

Daniel CooperFood Safety, Packing, Tip of the Week

By Clara Diekman, Taylor O’Bannon and Michelle Danyluk Many citrus packers already rely on product lot codes to aid in the traceability of their product in the case of a contamination event. These product lots can be determined in a variety of ways, including the date of harvest, field, harvest crew, etc. Regardless of the method used to assign lot …

AgNet Media Set to Host Florida Citrus Show

Morgan ColeEvents, FCS24

Citrus and specialty crop producers should mark their calendars for the upcoming Florida Citrus Show, scheduled for Wednesday, April 3, in Fort Pierce, Florida. This will be the second year of AgNet Media hosting the event, which will once again feature a tailgating theme with vendors exhibiting their products and services while sharing delicious foods. In addition, general and educational …

Citrus Health Forum

Citrus Health Forum Helps Cold-Hardy Growers

Daniel CooperCold Hardy

Production in the cold-hardy citrus region is still in its infancy. Growers and industry leaders need events like the Citrus Health Forum to obtain the necessary information to help this young industry continue to flourish. The latest forum took place at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) North Florida Research and Education Center in Quincy …

CRISPR

CRISPR Is Bringing Citrus Closer to HLB Resistance

Daniel CooperBreeding, HLB Management, Research

You’ve probably heard the term CRISPR in recent years. It is a relatively new breakthrough in science that has applications in human health and even in the fight against HLB. Nian Wang, a professor of microbiology and cell science with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), has been on the forefront of CRISPR research. Here …

citrus

CITRUS NURSERY SOURCE: A Day of Learning About New Rootstocks and Varieties

Daniel CooperCitrus Nursery Source, Rootstocks, Varieties

By Peter Chaires The U.S. Department of Agriculture-Agricultural Research Service (USDA-ARS) U.S. Horticultural Research Laboratory and Florida Citrus Research Foundation (FCRF) jointly held an open house, variety display and field tour at the W.H. Whitmore Foundation Farm between Leesburg and Groveland in early December. This annual event provides a great opportunity for industry members to see the latest innovations in …

cold hardiness

Factors Influencing Cold Hardiness of Citrus

Daniel CooperCold Hardy, Georgia

Jake Price, University of Georgia county Extension coordinator, recently reported on the factors that influence cold hardiness of citrus. Excerpts follow: VARIETY The most obvious factor is the variety of citrus. In order of cold hardiness, the three main classes of citrus are mandarins, sweet oranges and grapefruit. Acid types of citrus such as lemons and limes are the least …

HLB-affected trees

PGRs for HLB-Affected Trees: An Update

Daniel CooperHLB Management, PGRs

Using the plant growth regulators (PGRs) cytokinin in spring, gibberellic acid (GA) in summer and 2,4-D in late fall can be helpful for HLB-affected trees, horticulturist Tripti Vashisth reported. Her PGR update came during a Feb. 21 OJ Break. Multi-county citrus Extension agent Chris Oswalt hosted the event at the University of Florida Institute of Food and Agricultural Sciences Citrus …

lemon/lime

World Lemon/Lime Production

Daniel CooperCrop Forecast, International, lemons, Limes

Global lemon/lime production in 2023–24 is forecast up 225,000 tons from the prior year to 10 million tons, the U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) reported. Higher production in the European Union, South Africa and Turkey more than offsets lower production in Mexico and the United States. Here are the regional lemon/lime forecasts for 2023–24: Turkey production …