Citrus Leaders Provide Disaster Testimony

Josh McGillfreeze, hurricane

Florida agriculture took a wallop from Hurricane Ian last year. Throw in another hurricane (Nicole) and a freeze, and the disaster losses stacked up. The state’s citrus industry took a particularly hard hit. On Jan. 17, citrus industry representatives headed to Tallahassee to testify before the Florida Senate Agriculture Committee about the toll these weather events had on an already …

USDA Buying $20 Million of Fresh Mandarins

Josh McGillCalifornia Corner, Mandarins

The U.S. Department of Agriculture (USDA) will purchase up to $20 million of fresh mandarins and tangerines for distribution to food banks, schools and other non-conventional markets. According to California Citrus Mutual (CCM), this is the first time USDA has made such a purchase under authority of Section 32 of the Agricultural Adjustment Act Amendment of 1935. The purpose of …

Trunk Injection Not a Silver Bullet for HLB

Josh McGillDiseases, HLB Management

Although trunk injection of oxytetracycline hydrochloride  (OTC-HCl) has received much recent press for its promise in managing HLB, there is still no silver bullet for the devastating disease. That was part of plant pathologist Ozgur Batuman’s message at a Dec. 10 seminar addressing HLB and other citrus diseases that may exacerbate HLB’s effects on trees. “There is no single effective …

Florida Citrus Forecast Falls Further

Tacy CalliesCrop Forecast

Florida citrus crops, already at historically low levels, were forecast Jan. 12 to fall even lower. The all-orange forecast fell 10% from the December projection. The grapefruit and tangerine/tangelo forecasts both tumbled 17%. The forecast was issued by the U.S. Department of Agriculture’s National Agricultural Statistics Service (USDA NASS). If realized, the orange, grapefruit and tangerine/tangelo crops will be 56%, …

South African Mandarin Industry Sees Growth

Josh McGillCrop Forecast, International, Mandarins

South African tangerine/mandarin (soft citrus) production is forecast to grow by 6% to 670,000 metric tons (MT) in 2022–23, up from 630,000 MT the prior year. The forecast is from the U.S. Department of Agriculture’s Foreign Agricultural Service (USDA FAS).  PLANTED AREAIn 2021–22, the area planted with tangerines/mandarins grew by an estimated 7% to 28,000 hectares from 26,151 hectares the …

Taking Fertilizer Knowledge to the Next Level

Josh McGillEducation, Nutrition

The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) has launched a new online graduate certificate program for agricultural professionals. “The certificate program is called Fertilizer Science and Technology, offered completely online at the student’s pace and oriented to growers, consultants, suppliers and regulators,” says Kelly Morgan, UF/IFAS professor of soil fertility and water management. The certificate is …

Taking Care of Trees After the Five-Night Freeze

Josh McGillCold Hardy, freeze

“To some extent, every citrus variety has suffered from cold damage” due to the five-night freeze event that occurred in the cold-hardy citrus region Dec. 24–28. That report comes from Jake Price, Lowndes County Extension coordinator for University of Georgia Extension. “The site of our citrus research plots in Valdosta reached a low of 16 degrees, which is the lowest …

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IMG Citrus Acquires Facility and Farmland

Josh McGillIndustry News Release

IMG Citrus, based in Vero Beach, Florida, has acquired J&J Fresh Produce assets. These assets, also located in Vero Beach, include a new 185,000-square-foot cold storage and packaging facility and 1,000 acres of farmland in the Delta Farms Water Control District. “This is an exciting acquisition and a key component of our growth strategy,” said Melanie Ressler, co-chief executive officer …

Hurricanes Complicate Citrus Flowering

Josh McGillAll In For Citrus Podcast, hurricane

In the latest episode of the All In For Citrus podcast, Tripti Vashisth discusses the citrus flower bud advisory system. The service is provided by the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). The advisories on flowering generally start before Thanksgiving and run through the end of February or early March. “The goal of the flower bud …

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Chile’s Orange Crop to Increase

Josh McGillCrop Forecast, International

Orange production in Chile is forecast to increase by 22% and total 200,000 metric tons (MT) in 2022–23. The forecast was part of the U.S. Department of Agriculture Foreign Agricultural Service’s (USDA FAS) annual citrus report for Chile. The prior season’s production, hurt by frost, was expected to be 164,000 MT. PRODUCTION REGIONSThe area planted in oranges in Chile in …

Citrus Breeding Program Funded in California

Josh McGillBreeding, California Corner

New federal funding of $1 million will establish a citrus breeding program in California. The program will be at the U.S. Department of Agriculture’s Agricultural Research Service (USDA ARS) field station in Parlier. It will identify new citrus varieties that are best suited for changing climatic pressures such as drought, consumer taste preferences, and resistance to pests and diseases such …

Diaprepes in Florida Citrus: Past, Present and Future

Josh McGillPest Management, Research

By Lukasz L. Stelinski, Lauren Diepenbrock and Larry Duncan Given the focus on HLB in citrus management for more than a decade, important additional pests of citrus have sometimes not received the attention they may deserve. Trees with HLB are weakened and prone to succumb to the effects of the disease when challenged by secondary affliction(s), including infestation by diaprepes …

Celebrating 50 Years of Growth

Josh McGillSponsored Content

Chemical Dynamics is a leading provider of crop nutrition solutions, focused on helping farmers grow specialty crops in Florida, the Southeast and across the US. Our company was founded in 1973 by W.B. “Hap” Carson in Plant City, FL and has been a family-owned and operated business for three generations. For the past 50 years, we have developed a diverse …

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Orange Crop Outlook for Brazil

Josh McGillBrazil, Crop Forecast

The total Brazilian orange crop for marketing year 2022–23 is forecast at 405 million boxes (MB), a reduction of 10 MB compared to the previous season. The commercial area in the state of São Paulo and the western part of Minas Gerais should account for 305 MB, a drop of 3% from the prior year.  Production from other states is …

Ever-Changing MRLs for Fresh Citrus Exports

Josh McGillExport, Pesticides

By Mark A. Ritenour Modern production practices for fresh fruits and vegetables usually include the use of various preharvest and postharvest chemicals, some of which are pesticides. Legally, these materials must be labeled for use on specific crops and may only be used according to label instructions. Chemical residues on fruits and vegetables are monitored by industry and regulators to …

South African Orange Crop to Increase

Josh McGillInternational, Oranges

South African orange production is forecast to grow 3% in 2022–23, to almost 1.7 million metric tons (MMT), according to the U.S. Department of Agriculture’s Foreign Agricultural Service (USDA FAS).  PLANTED AREA AND CULTIVARSOranges represent approximately 47% of South Africa’s 100,000 hectares of citrus orchards. Orange acreage grew by almost 14% over the past seven years. The Limpopo province is …

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Techniques Tested on Mandarins in CUPS

Josh McGillCUPS, Mandarins, Tip of the Week

By Rhuanito S. Ferrarezi and Mark A. Ritenour Two independent trials were conducted under a commercial citrus under protective screen (CUPS) system. The first trial was to investigate canopy management strategies to improve fruit yield and quality of mandarins. Canopy management is essential for CUPS since the environment stimulates vigorous vegetative growth, posing operational challenges to mechanization that can be …

Preparing for Implementation of Agricultural Water Requirements

Josh McGillFood Safety, Water

By Taylor O’Bannon, Matt Krug and Michelle Danyluk In December 2021, the Food and Drug Administration (FDA) released its proposed changes to the Food Safety Modernization Act (FSMA) Produce Safety Rule (PSR) Subpart E, which covers agricultural water. The proposed changes focus solely on preharvest agricultural water and make no changes to the requirement of water used for harvest and …

Sneak Peek: January 2023 Citrus Industry

Josh McGillSneak Peek

Past management, a perennial problem for citrus growers, is the primary focus of the January issue of Citrus Industry magazine. An old pest is posing new concerns for Florida growers. The recent resurgence of diaprepes root weevil is the subject of the cover story by University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers Lukasz Stelinski, Lauren Diepenbrock …

Bugs Under the Covers

Josh McGillIPCs, Pest Management

Individual protective covers (IPCs) do an excellent job keeping HLB-spreading Asian citrus psyllids (ACP) out of young citrus trees, showing a 99.6% reduction in ACP compared to control trees. But they don’t provide “one and done” pest control, according to University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) entomologist Lauren Diepenbrock. In fact, IPCs “create a perfect environment …