flame

New Flame Grapefruit Selection Offers Improved HLB Tolerance

Daniel CooperGrapefruit, Tip of the Week, Varieties

By Manjul Dutt, Sheetal Ramekar and Gary England The grapefruit was created by chance from a cross between a pummelo and a sweet orange. It was first discovered in Barbados in the 18th century. All the commercially sold grapefruits today trace their roots back to the Duncan variety of grapefruit. Cultivars existing today were developed through natural and induced mutations …

South Korea

South Korea Grants Market Access to Texas Grapefruit

Daniel CooperGrapefruit, International, Texas

Texas grapefruit growers recently gained access to a new international market in South Korea worth $5 million annually. The U.S. Department of Agriculture Animal and Plant Health Inspection Service (USDA APHIS) negotiated the technical details that will help ensure grapefruit exported from Texas are free from pests, such as the Mexican fruit fly. On June 27, 2024, South Korea’s national …

Millennium Block

Millennium Block Research Shows Promising Results

Daniel CooperGrapefruit, Indian River, Research

A recent update of Millennium Block research at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Indian River Research and Education Center in Fort Pierce indicates the 5,500 trees in the project are yielding promising results. The four trials within the Millennium Block aim to unlock the genetic potential of new scion and rootstock hybrids never tested …

HLB-tolerant

Survivor Grapefruit Cultivars Set for HLB Trials

Daniel CooperGrapefruit, HLB Management, Research

The U.S. Department of Agriculture Agricultural Research Service (USDA-ARS) citrus scion breeding program recently rediscovered several noteworthy grapefruit cultivars at the A.H. Whitmore Foundation Farm in Groveland, Florida. Among these are the Florida Red, Red Blush and Henderson varieties. These cultivars were originally selected as long shots from the Whitmore Foundation Farm and were planted in 1986. They have survived …

grapefruit

Some Grapefruit Showing Less HLB Symptoms

Daniel CooperGrapefruit, Rootstocks, Varieties

A recent update of the U.S. Department of Agriculture Multi-Agency Coordination (MAC) Project evaluating multiple grapefruit varieties on different rootstocks reveals that some combinations have less HLB symptoms than others. Jackson has one of the lowest ranks for disease index across the combinations. The healthiest trees in the trial include: At least half of the blocks in the MAC trial …

star ruby

California Star Ruby Season and Contest Announced

Daniel CooperGrapefruit, Industry News Release

Sunkist Growers, Inc. recently announced that California Star Ruby grapefruit season has arrived. The company also announced a national display contest for retailers. “According to a new Sunkist-commissioned study, grapefruit buyers continue to be loyal to the variety, with 50% making repeat purchases multiple times per month,” said Cassie Howard, senior director of category management and marketing at Sunkist Growers, …

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 …

Taking a ‘Long Shot’ at HLB-Tolerant Grapefruit

Tacy CalliesCitrus, Grapefruit, HLB Management, Research

A U.S. Department of Agriculture (USDA) scientist and his team are hopeful that some so-called “long-shot” varieties will pay off in the effort to find HLB-tolerant grapefruit. Matthew Mattia of the USDA Agricultural Research Services (ARS) U.S. Horticultural Research Laboratory in Fort Pierce, Florida, found the varieties at the A.H. Whitmore Foundation Farm in Groveland, Florida. The varieties are Florida …

California Leads U.S. Grapefruit Production

Tacy CalliesGrapefruit, Production

For the third season in a row, California led the nation in grapefruit production again in 2022–23. Over the past decade, the title of top grapefruit-producing state has alternated between Florida, California and Texas. But the Florida citrus industry continues to decline, and Texas grapefruit producers experienced a major setback in February 2021 with Winter Storm Uri. California produced 160,000 …

Uncovering the Cause of Greasy-Green on Grapefruit 

Josh McGillGrapefruit, Tip of the Week

By Megan Dewdney, Mark A. Ritenour and Liliana M. Cano  In the last few years, 89% of Florida grapefruit growers have struggled with a disorder that they refer to as greasy-green, leading to losses between $20,000 to $1.7 million per year. The disorder causes the fruit to have large, diffuse green patches on the rind after degreening, making it no …

Texas Grapefruit Headed to Vietnam

Josh McGillGrapefruit, 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 …

South African Grapefruit Production Up

Josh McGillCrop Forecast, Grapefruit, International

South African grapefruit production is forecast at 420,000 metric tons (MT) for 2022–23 by the U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS). That’s up slightly from prior-year grapefruit production of 416,000 MT. ACREAGE AND VARIETIESSouth Africa’s planted grapefruit area has grown by 18% over the past seven years, mainly driven by a surge in global demand, especially in …

Less EU Lemon and Grapefruit Production

Josh McGillGrapefruit, International, lemons

The U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) reported that European Union (EU) production of lemons and grapefruit will decline in 2022–23 compared to the prior season. LEMONEU lemon production is forecast at almost 1.5 million metric tons (MMT), down 9.5% from 2021–22 due to estimated lower production in Spain, despite a rebound expected in Italy. EU lemon …

Japanese Agency Tours Florida Citrus Industry

Josh McGillFlorida Department of Citrus, Grapefruit, International

Yamano & Associates, Florida Department of Citrus (FDOC) partner agency in Japan for over 40 years, recently concluded an educational tour in Florida, continuing its efforts to explore and engage with key individuals in the Florida citrus industry. The two-day tour provided the agency with a unique opportunity to closely observe the operations and processes involved in the Florida citrus …

USDA to Buy Fresh Grapefruit for Food Programs

Josh McGillGrapefruit

The U.S. Department of Agriculture (USDA) recently announced plans to purchase fresh grapefruit for distribution to various food nutrition assistance programs. The purpose is to encourage the continued domestic consumption of these products by diverting them from the normal channels of trade and commerce. USDA said ample availability of fresh grapefruit is projected to increase due to slower movement in …

grapefruit

Grapefruit Rootstock/Scion Research Update

Josh McGillGrapefruit, Indian River, Research

University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers Mark Ritenour and Flavia Zambon recently provided an update on a large field trial. The project is called Evaluation of Potential HLB Tolerant Grapefruit Rootstock/Scion Combinations in the Indian River District of Florida. A summary of their update follows:  The project started as a collaborative effort between the UF/IFAS …

Marginal Growth for South Africa Grapefruit Crop

Josh McGillCrop Forecast, Grapefruit, International

South Africa is forecast to produce 385,000 metric tons (MT) of grapefruit in 2022–23, up marginally from an expected 380,000 MT the prior year. The forecast is from the U.S. Department of Agriculture’s Foreign Agricultural Service (USDA FAS).  AREA PLANTEDThe grapefruit planted area in South Africa grew by almost 25% over the past seven years. However, grapefruit area is expected …

Controlling Diplodia SER on Grapefruit

Josh McGillDiseases, Grapefruit

Studies that show some potential for control of Diplodia stem-end rot (SER) on fresh grapefruit were discussed at the recent Citrus Packinghouse Day. University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researcher Mark Ritenour made the presentation. Ritenour works as a professor of postharvest physiology and management at the Indian River Research and Education Center in Fort Pierce. …

USDA to Enforce Imported Grapefruit Standards

Josh McGillGrapefruit, Regulation

The U.S. Department of Agriculture (USDA) announced it will enforce the juice content maturity requirements on imported grapefruit. USDA will also collect the necessary data to issue a new and lasting marketing order regarding the imported grapefruit. Last fall, the USDA suspended Section 8e grapefruit juice content standards for imported grapefruit without warning. As a result, low-quality grapefruit products from …

production

European Lemon Crop Down; Grapefruit Up

Josh McGillGrapefruit, International, lemons

The European Union (EU) lemon crop for 2021–22 is expected to decline from the previous season while its grapefruit crop is projected to rise. LEMONEU lemon production is forecast at 1.5 million metric tons (MMT), down from the 1.7 MMT estimated for the previous season. Spain is the EU’s largest lemon producer and accounts for nearly 65% of EU production. …