South African

South African Grapefruit Production

Daniel CooperCrop Forecast, Grapefruit, International

Grapefruit is an unpopular citrus fruit in the South African domestic market, the U.S. Department of Agriculture’s Foreign Agricultural Service (USDA FAS) reported recently. Consequently, only 5,000 metric tons (MT) of an expected 400,000 MT grapefruit crop in 2023–24 is forecast to be consumed in the country. The majority of South Africa’s grapefruit is expected to be exported. The production …

Crop Transformation Center

Crop Transformation Center Takes Aim at HLB Resistance

Daniel CooperBreeding, HLB Management, Research

By Frank Giles The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) has established itself as a leader in new technological frontiers like artificial intelligence (AI). In fact, the school has the 15th most powerful computer in the world. The HiPerGator, as the computer is called, will assist in AI development and on many other technological fronts. Another …

cycle 2

California’s CRaFT Accepting Cycle 2 Applications

Daniel CooperCalifornia Corner, Psyllids

California’s Citrus Research and Field Trials (CA-CRaFT) program is now accepting Cycle 2 applications from commercial growers. This initiative aims to showcase the efficacy of additional control measures against the Asian citrus psyllid (ACP). ACP is the carrier of the Candidatus Liberibacter asiaticus bacterium causing huanglongbing (HLB) disease in citrus. For Cycle 2, applications will be accepted until program capacity …

awards

Nominations Open for Two Florida Ag Awards

Daniel CooperAwards

The Florida Department of Agriculture and Consumer Services (FDACS) is accepting nominations through March 1 for the Woman of the Year in Agriculture Award and the Agricultural-Environmental Leadership Awards. The Woman of the Year in Agriculture Award annually recognizes the achievements of women who have made outstanding contributions to Florida agriculture. The Agricultural-Environmental Leadership Awards are presented annually, spotlighting environmentally …

mandarin production

Forecast for Peru’s Mandarin Production

Daniel CooperCrop Forecast, International, Mandarins

Tangerine/mandarin production in Peru is forecast to reach 545,000 metric tons (MT) in 2023–24, down 1% from the previous year, the U.S. Department of Agriculture’s Foreign Agricultural Service (USDA FAS) reported. Weather anomalies associated with the El Niño phenomenon will likely impact the coming year’s productivity, especially among early-season varieties. PLANTED AREA Tangerine/mandarin planted and harvested area in Peru is …

Scouting Tools and Tactics

Tacy CalliesCEU

By Matt Smith Editor’s note: This article grants one continuing education unit (CEU) in the Core category toward the renewal of a Florida Department of Agriculture and Consumer Services restricted-use pesticide license when the accompanying test is submitted and approved. This article is an updated version of a previous article, “Scouting: The Tip of the IPM Spear,” published in the …

CRAFT program

Update on Florida’s CRAFT Program

Daniel CooperCRAFT, Florida Department of Citrus

Florida’s Citrus Research and Field Trial (CRAFT) board of directors recently approved a slate of Cycle 5 solid set Program for Expedited Propagation (PEP) projects following recommendations from the Technical Working Group. Eleven projects totaling 455 acres were approved. Projects will focus on comparisons of five scions (Parson Brown, Roble, Carney 2, Carney 3 and Donaldson) on the same rootstock. …

juice production

Brazil’s Orange Crop and Juice Production

Daniel CooperBrazil, Crop Forecast

According to the U.S. Department of Agriculture’s Foreign Agricultural Service (USDA FAS), Brazilian orange and orange juice production are both forecast to decline in 2023–24 compared to the prior year. ORANGE CROP The total Brazilian 2023–24 orange crop is forecast at 408 million 40.8-kilogram boxes, equivalent to 16.5 million metric tons (MMT). This is a decrease of 1.03% from the …

How to Enhance Pre-emergent Herbicide Performance

Daniel CooperTip of the Week, weeds

By Ramdas Kanissery and Robert Riefer Pre-emergent herbicides, also known as residual herbicides, are highly effective in the long-term suppression of weeds in citrus tree rows. These herbicides remain in the soil and prevent susceptible weeds from germinating. In order to achieve the best weed control results, pre-emergent herbicides need to stay within approximately the top 5 inches of soil, …

Australian

Australian Mandarin Production Projection

Daniel CooperCrop Forecast, International

Australian tangerine/mandarin production in 2023–24 is forecast at 180,000 metric tons (MT) by the U.S. Department of Agriculture’s Foreign Agricultural Service (USDA FAS). That’s a 5% decrease from the 2022–23 estimate of 190,000 MT. This decline is mainly due to a biennial effect, with this being a down year. INCREASED ACREAGE Queensland, by far, has the largest area of mandarin …

marketing agency

Florida Juice Prices and Marketing Focus

Daniel CooperFlorida Department of Citrus, Marketing, Orange Juice

At the Jan. 17 Florida Citrus Commission (FCC) meeting, Florida Department of Citrus (FDOC) Director of Economic and Market Research Marisa Zansler reported on price increases for orange juice (OJ) and grapefruit juice. Nielsen data for the period ending Dec. 2, 2023 showed: Zansler reported that the average increase in grapefruit juice price year-over-year is 4.27%, somewhat in line with …

South African Lemon/Lime Production to Jump

Tacy CalliesCrop Forecast, International, lemons

South African lemon and lime production in 2023–24 will increase by 10% compared to the prior year, to 720,000 metric tons (MT), the U.S. Department of Agriculture’s Foreign Agricultural Service (USDA FAS) forecast. ACREAGE The area planted with lemons/limes in South Africa has more than doubled over the past seven years, driven by global demand and rising global prices. However, …

PIECES OF THE PAST: Celebrating a Special Centennial

Tacy CalliesMiss Florida Citrus, Pieces of the Past

By Brenda Eubanks Burnette One hundred years ago, in February of 1924, a young woman named Dorothy Williamson was chosen as Florida’s first Citrus Queen. Since that time, numerous young women have vied for the title and have promoted the Florida citrus industry throughout the world. To celebrate the centennial, the Florida Citrus Hall of Fame has interviewed many of …

CRDF Off to a Busy Start in 2024

Tacy CalliesCRDF, HLB Management, Pest Management

The Citrus Research and Development Foundation (CRDF) kicked off the new year with a full agenda for its monthly board meeting. New members were welcomed to the board. Growers Matt Machata, Sarah Spinosa and Trevor Murphy joined the group. On the research front, the board funded continued work by Ping Duan, a plant pathologist with the U.S. Department of Agriculture. …

citrus greening

New Light Shed on HLB and Fertilization

Tacy CalliesHLB Management, Nutrition

The effort to help huanglongbing (HLB)-impacted citrus trees has taken another step forward. A University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) study examined the relationship between fertilization, root health and fruit yield. Researchers focused on Valencia orange trees with HLB. Associate Professor Davie Kadyampakeni led the effort at the UF/IFAS Citrus Research and Education Center. The study, …

Chile Mandarin and Orange Production Forecast

Tacy CalliesCrop Forecast, International

Tangerine/mandarin production in Chile is forecast to increase in 2023–24 while orange production is expected to decline, the U.S. Department of Agriculture’s Foreign Agricultural Service (USDA FAS) reported.   TANGERINES/MANDARINSProduction of tangerines and mandarins is projected to increase by 7.1% and total 287,000 metric tons (MT). Mandarin planted area is expected to increase nearly 1,000 hectares and reach 12,000 hectares …

Taking Available Tools to the Grove

Tacy CalliesHLB Management

The quest for long-term solutions to HLB is well underway. Technology like CRISPR is being developed to introduce tolerance or resistance to HLB. Conventional breeding also is seeking rootstocks and varieties that can resist the disease. In the meantime, growers are reminded to utilize available tools that help trees remain productive in an HLB environment. During the August Citrus & …

Planning Pointers for Insect Management

Tacy CalliesPests, Tip of the Week

By Lauren Diepenbrock Insect and mite management is a year-round challenge in Florida citrus. With the warm climate, pests are at the ready as soon as plant resources are available to them. With knowledge of insect and mite biology in relation to tree phenology, plans can be developed to protect fruit and maintain productive citrus trees. Populations of some highly …

Good Times, Good Food, Great Company

Morgan ColeEvents

Get ready to tailgate at the Florida Citrus Show! This one-of-a-kind event is returning to the Treasure Coast on April 3. In between seminar sessions, the trade show will become a tailgate party that you won’t want to miss. The day will kick off with breakfast and coffee in the tailgate hub. Attendees will have the opportunity to walk the …

Updates on FDOC Research Projects

Tacy CalliesFlorida Citrus Commission, Florida Department of Citrus, Research

Florida Citrus Commission (FCC) members on Jan. 17 heard an update on one recent Florida Department of Citrus (FDOC) scientific research project and learned about some future research plans. Rosa Walsh, FDOC director of scientific research, presented the information. PROGRAM FOR EXPEDITED PROPAGATIONWalsh reported that the 2022–23 Program for Expedited Propagation of HLB Tolerant and Resistant Trees was successful. She …