Fine-Tuning Trunk Injection

Josh McGill HLB Management

Growers have concluded their first round of injecting their citrus trees with oxytetracycline (OTC) and now are anxiously awaiting the results. So far, trees seem to be responding with larger leaves and fruit, but fruit retention will tell the story if the treatment is moving the needle against HLB. For many years, there was a perception among growers that if …

Texas Grapefruit Headed to Vietnam

Josh McGill Grapefruit, International, Trade

Early this year, the U.S. Department of Agriculture (USDA), in cooperation with other government agencies, got Vietnam to open its market to U.S. grapefruit. Fresh citrus grower, harvester and packer Wonderful Citrus, which has worked with the USDA’s Foreign Agricultural Service (FAS) to grow its exports, saw a ripe new opportunity.  “Wonderful Citrus and our grower partners are excited for …

Millennium Block Varieties Tour

Josh McGill Events, Rootstocks, Varieties

Citrus growers are invited to tour the 20-acre Millennium Block at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Indian River Research and Education Center (IRREC) in Fort Pierce on Nov. 7. The tour will be held from 9 a.m. to 2 p.m.  New varieties in the grove are in their fourth year of growth. Researchers are …

$5 Million Awarded to UF/IFAS for HLB Research

Josh McGill HLB Management, Research

The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) has been awarded five federal grants totaling more than $5 million to control HLB. The grants are from the U.S. Department of Agriculture’s National Institute of Food and Agriculture (NIFA).   HLB is caused by the bacterium Candidatus Liberibacter asiaticus (CLas). The Asian citrus psyllid can transmit CLas into a …

Australian Citrus Season Sees Improvement

Josh McGill International

There have been signs of improvement for the Australian citrus industry in the 2023 season compared to 2022. Among other things, Citrus Australia Chief Executive Officer Nathan Hancock said fruit quality has improved this season. The tail end of the 2023 harvest has been particularly strong from a quality perspective, according to Hancock. “While the earlier fruit this season struggled …

São Paulo Governor Creates Greening Committee

Josh McGill Brazil, Citrus Greening, HLB Management

The governor of Brazil’s state of São Paulo, Tarcísio de Freitas, on Oct. 16 decreed the formation of a state committee for greening contingency after meeting with several members of the state’s citrus industry. Greening affects 38.06% of orange trees in the states of São Paulo and Minas Gerais. The governor acted after considerations by the Sylvio Moreira Citriculture Center/Agronomic …

HLB Resources for California Growers

Josh McGill California Corner, HLB Management

Recently, the California Department of Food and Agriculture (CDFA) declared an HLB quarantine in Ventura County following the first detections of the disease in the county. In response, the Citrus Pest & Disease Prevention Program (CPDPP) issued a list of HLB resources. The resources are intended to help inform the citrus industry about what changes to expect from the quarantine, …

How Much Yield Is Needed to Offset the Cost of Injecting Trees With Oxytetracycline?

Josh McGill Economics, HLB Management

By Ariel Singerman Citrus growers in Florida are now allowed to inject their trees with oxytetracycline (OTC) to try to control Candidatus Liberibacter asiaticus and/or suppress citrus greening. The use of OTC is expected to improve the trees’ health and, in turn, increase yield. In this article, cost estimates are used to address the question of what yield response is …

Brazilians Learn About Mechanical Harvesting

Josh McGill Labor, Technology

Representatives of Fundecitrus and the Brazilian citrus industry went to Seville, Spain, to participate in a meeting about mechanical harvesting of citrus. The key objective was learning about different tools and machines designed for the mechanization of citrus handling. One example of machinery is the mechanized harvesting equipment used for densely cultivated orange groves. In one of their visits, the …

Sneak Peek: November 2023 Citrus Industry

Josh McGill Sneak Peek

As the new citrus season gets underway in Florida, growers are hopeful for an improved harvest. The initial U.S. Department of Agriculture forecast for 2023–24 calls for a 30% increase in the state’s orange crop. The November issue of Citrus Industry magazine has details on the forecast and other good news for growers. In the issue’s cover story, Wheeler Farms …

Improve Fruit Yields and Juice Quality

Josh McGill Nutrition, Pest Management, Tip of the Week

By Davie Kadyampakeni and Megan Dewdney The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) conducted a six-year project to determine if plant nutritional fertilizer sources coupled with specific crop protection chemicals help mitigate citrus diseases. This project was conducted on a 5-acre commercial citrus grove block near the Citrus Research and Education Center (CREC) in Lake Alfred. …

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All In For Citrus Podcast, October 2023

Josh McGill All In For Citrus Podcast, Breeding

Many people believe genetics will be the eventual key that unlocks more permanent solutions to HLB. Whether it be traditional breeding or new technologies, one day there could be a citrus tree that is resistant or tolerant enough to make the disease a non-factor. One such key could be CRISPR technology to deliver a tree that is engineered to resist …

Brazilians Develop New Fruit Borer Trap

Josh McGill Brazil, Pests

Fundecitrus, with the participation of a MasterCitrus student and in partnership with a private company, has developed a new generation of citrus fruit borer traps. The trap is resistant to rain and includes guidelines to assist growers. Fundecitrus researcher Haroldo Volpe explained that the new product is an advance in the fight against citrus fruit borers. “We had a high-tech …

CRAFT Public Dashboard Offers a Look at Trials and Results

Josh McGill CRAFT, Research

By Tina Buice The Citrus Research and Field Trial (CRAFT) program was created in 2019. Its work was centered on the mission of moving lab and research solutions into groves for commercial-scale field trials, collecting data on those trials and creating an integrated data management solution to present the results. Four years later, with more than 10,000 acres of new …

Social Media to Promote Florida Gift Fruit

Josh McGill Florida Department of Citrus, Fresh

The majority of the Florida Department of Citrus’ (FDOC) $58,200 budget for gift fruit marketing in 2023–24 will fund promoted social media content. FDOC Global Marketing Manager Katelynn Long told the Gift Fruit Shippers Advisory Council Oct. 11 that the budget also includes influencer partnerships, media relations releases and content development and administration. Long said the FDOC plans to focus …

Sugar Belle Is Cold Hardiest Among Non-Satsumas

Josh McGill Varieties

A survey by 15 Extension agents showed Sugar Belle mandarin to be the most cold-hardy non-satsuma citrus variety following a major freeze in Georgia in December 2022. Sugar Belle was followed in order of cold hardiness by Tango, navel oranges, Kishu and grapefruit. Shiranui was the least cold hardy non-satsuma variety. University of Georgia Extension agent Jake Price reported the …

PIECES OF THE PAST: Beauty Is on the Inside

Josh McGill Pieces of the Past

By Brenda Eubanks Burnette A.B. Michael was known as the “Dean of the Citrus Industry.” His Orchid Island fruit consistently won awards for its high quality. He was a major proponent of fruit for its taste and appearance. Michael was one of the first to institute grading standards in the packinghouses he ran. Here are a few excerpts from a …

Keller Is CRAFT Scientific Coordinator

Josh McGill CRAFT

The Citrus Research and Field Trial (CRAFT) Foundation recently hired Carisa Keller to serve as the organization’s scientific coordinator. The Highlands County resident previously worked as director of sustainability for Alico. “As CRAFT continues to grow, it’s imperative that we continue to build a team that is ready and able to support the demands of the program,” said CRAFT Executive …

Universities Receive 11 Federal Grants for HLB Research

Josh McGill HLB Management, Research

The U.S. Department of Agriculture’s National Institute of Food and Agriculture (USDA NIFA) has invested more than $25 million in 11 projects as part of the Emergency Citrus Disease Research & Extension program. This program brings the nation’s top scientists together with citrus industry representatives to find scientifically sound solutions that combat and prevent citrus greening (HLB)​ at the farm level. Some of this …