study

HLB Management Different for North Florida Citrus

Daniel CooperCold Hardy, HLB Management

Living with huanglongbing (HLB) disease (citrus greening) is a much different process for citrus growers than protecting their crop from it. Growers in the cold-hardy citrus region are currently trying to keep the devastating disease out of their area. Industry experts like Michael Rogers, University of Florida Institute of Food and Agricultural Sciences Citrus Research and Education Center director, are …

fertilization

Greening Study: Extra Fertilization Doesn’t Increase Yield

Daniel CooperBrazil, HLB Management, Nutrition

A study carried out by Brazil’s Fundecitrus in partnership with the Agronomic Institute (IAC) showed that additional fertilization of orchards had no effect on increasing the production of trees with citrus greening. The research was conducted in well-nourished adult orchards with a low incidence of greening. Results were published in January in the journal PhytoFrontiers of the American Society of …

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 …

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 …

protection

Florida Citrus Part of USDA Plant Protection Funding

Daniel CooperFlorida, Pest Management

The U.S. Department of Agriculture (USDA) is allocating more than $5 million to Florida for plant-health protection. The funding is part of a nationwide effort to strengthen the country’s infrastructure for pest detection, surveillance and mitigation, as well as protect the U.S. nursery system. Through the authority of the Plant Protection Act (PPA) Section 7721, USDA is providing more than …

psyllids

New Discovery About Asian Citrus Psyllids

Daniel CooperHLB Management, Psyllids, Research

A failed field test has led to a major discovery about Asian citrus psyllids (ACP). According to new research, the bacterium that causes HLB disease can interfere with ACP’s sense of smell, rendering some kinds of insect traps useless. The work is currently available as a preprint. HLB, also known as citrus greening, is caused by the Candidatus Liberibacter asiaticus (CLas) bacterium. …

European

Increased Production of Citrus Crops in China

Tacy CalliesChina, Crop Forecast

China production forecasts are increased for both mandarin/tangerine and grapefruit/pomelo crops in 2023–24 compared to the prior year. The forecasts were issued by the U.S. Department of Agriculture’s Foreign Agricultural Service (USDA FAS). MANDARINS/TANGERINES China’s mandarin/tangerine production is forecast at 26.9 million metric tons (MMT) in 2023–24, up from 26.5 MMT the previous year. The increase is because of a …

PIECES OF THE PAST: Gratitude for Growing Florida Citrus

Tacy CalliesPieces of the Past

By Brenda Eubanks Burnette December is always a favorite month for me. It’s a time to reflect on the trials and tribulations from the past year and a time to be thankful for the blessings in our lives that have brought us through difficulties. December brings anticipation for the upcoming year and what lies ahead. For citrus growers, December also …

Florida Citrus: The Road Back

Tacy CalliesEconomics, Florida

By Tom Spreen The Florida citrus industry has experienced a difficult stretch of years since the record crop year of 2003–04, when over 240 million 90-pound boxes of oranges were produced. INDUSTRY DECLINEIn 2004, multiple hurricanes crisscrossed the Florida peninsula. They were the first hurricanes to hit the citrus-producing area of Florida since Hurricane Dora in 1964. The hurricanes themselves …

Florida citrus

IPCs on More Than a Million Florida Citrus Trees

Daniel CooperIPCs

As recently as five years ago, Florida citrus growers did not routinely put individual protective covers (IPCs) on their trees as part of their grove management. Now, the mesh IPCs cover at least 1 million trees on about 17,000 acres, mostly thanks to experimentation by University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researcher Fernando Alferez. IPCs keep …

alico

Alico Citrus Production Declines 51%

Daniel Cooperfinancial, Industry News Release

Alico Citrus, a division of Alico, Inc., harvested less than half its citrus in the fiscal year ending Sept. 30, 2023 as it did in the prior year. The decline was largely the result of impacts from Hurricane Ian in September 2022. Alico has approximately 49,000 citrus acres in seven Florida counties. The company reported on Dec. 6 that it …

climate

Heat Wave in Brazil Concerns Citrus Growers

Daniel CooperBrazil, Production, Weather

According to the Center for Advanced Studies on Applied Economics (CEPEA), a new heat wave in Brazil’s São Paulo state has been concerning citrus growers. Temperatures are higher than those registered in the last wave in September and are lasting longer. Many producers say that the weather may affect 2024–25 production, but it is still too early to estimate possible …

citrus production

U.S. Citrus Production in 2022–23: Winners and Losers

Daniel CooperProduction

The U.S. Department of Agriculture National Agricultural Statistics Service’s (USDA/NASS) final estimates for the 2022–23 season show U.S. citrus production reaching 4.9 million tons, down 12% from 2021–22. This marks the lowest combined production levels for U.S. citrus in at least 50 years. The U.S. citrus crop was valued at $2.6 billion in 2022–23, 13.5% below the prior year’s value. …

december

Sneak Peek: December 2023 Citrus Industry

Daniel CooperAcreage, HLB Management, Sneak Peek

It’s no secret that Florida’s citrus industry has seen significant shrinkage since the advent of citrus greening in the state. In the December issue of Citrus Industry magazine, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) economist Ariel Singerman takes an in-depth look at the acreage attrition. He examines the figures by county over the past 20 years. …

greening

Brazilians Discuss How to Avoid Florida’s Fate With Greening

Daniel CooperBrazil, HLB Management

Brazil’s government, institutions and citrus growers need to join efforts to overcome greening “so that Brazil does not go through the same situation as Florida,” a São Paulo agriculture official declared Nov. 7. Orlando Melo de Castro, undersecretary of agriculture, made those remarks to about 500 people at an international citrus symposium in Araraquara, São Paulo. “To this end, we …

planning

Planning Pointers for Cold-Hardy Citrus Production

Daniel CooperCold Hardy, Production

Crop planning is an essential part of the citrus production process. What are you going to grow? Where are you going to market? How are you going to overcome HLB (huanglongbing or citrus greening)? John Chater, assistant professor at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center, discussed the different factors that …

New Decay Control Options on the Horizon for Florida Citrus

Josh McGillFresh, Research

By Mark A. Ritenour and Jiuxu Zhang Preventing decay of fresh fruit has always been critical for a successful citrus industry. Prior to citrus greening (huanglongbing or HLB) in Florida, effective decay control practices were well established. These practices fueled Florida’s robust fresh domestic and export citrus sales, allowing shipping durations of 21 days or more. Since the establishment of …

IPCs Prove to Be Game-Changer in Citrus Production

Josh McGillIPCs, Production

By Amir Rezazadeh Citrus trees face many threats that can impact fruit development and overall tree health. Pests, including aphids, mites and other insects, can damage fruit and transmit diseases. Extreme weather events, such as hailstorms or heavy rains, can cause physical harm, leading to blemishes and reduced market value. In addition, citrus growers have faced persistent challenges because of …

Insights on India’s Citrus Industry

Josh McGillHLB Management, International

Fundecitrus researcher Franklin Behlau lectured about canker and HLB and participated in other ways at the recent Asian Citrus Congress in Nagpur, India. His lecture addressed the advancement of HLB (also known as greening) in the Brazilian citrus belt and the work carried out by Fundecitrus in combating HLB and canker. Behlau also moderated a technical session and participated in …