Rootstocks and HLB Tolerance — Another Perspective

Tacy CalliesHLB Management, Rootstocks

By Ute Albrecht Tolerance to a disease is generally defined as the ability to be productive in the presence of disease-causing organisms. This is contrary to resistance, which is defined as the ability to completely evade a pathogen due to specific resistance mechanisms. The question as to what defines an HLB-“tolerant” rootstock was posed in an article by Bill Castle, …

Time to Get Serious About Trialing New Scion/Rootstock Combinations

Tacy CalliesRootstocks, Scions

By Jude W. Grosser and Frederick G. Gmitter It’s no secret that citrus greening disease, or HLB, continues to take a heavy toll on the beloved Florida citrus industry. It has been estimated that the industry will need to replant over 3 million trees per year for the next 10 years just to get back to normal. So the million-dollar …

planting

High-Density Planting Increases Yields

Ernie Neffplanting

Larry Black, general manager of Peace River Packing Company in Fort Meade, told growers at the recent Florida Citrus Mutual conference about his company’s success with high-density plantings. Black reported some four-year-old Valencia blocks are producing more than 300 boxes per acre. That’s double the current average Florida citrus yield of about 150 boxes per acre in the face of …

citrus crop forecast

Final U.S. Citrus Crop Forecast Down 17 Percent from Last Season

Daniel CooperCitrus, Crop Forecast

Candi Erick, the agricultural statistics administrator with the Florida Department of Agriculture and Consumer Services’ Florida Agricultural Statistics Service, reports the final citrus crop forecast of the 2016-17 season. The United States all-orange forecast for the 2016-2017 season is down 2 percent from last month and down 17 percent from last season’s final utilization. The 2016-2017 Florida all-orange forecast released …

florida citrus

June Citrus Forecast: Oranges Up; Tangerines Down

Daniel CooperCitrus, Crop Forecast

ORANGES The 2016-2017 Florida all-orange forecast released by Mark Hudson of the U.S. Department of Agriculture’s National Agricultural Statistics Service is up 500,000 boxes to 68.5 million boxes. The increase is in Valencia oranges. The total includes 33 million boxes of non-Valencias (early, midseason, and Navel varieties) and 35.5 million boxes of Valencias. For the previous 10 seasons used in …

HLB

Grower Discusses Many HLB-Related Issues

Ernie NeffBactericides, Citrus Greening, HLB Management

Wauchula citrus grower and orange grove salesman Kenny Sanders was one of the growers sharing experiences at a recent grower roundtable meeting in Wauchula. Sanders tells why he attends the meetings and discusses several practices aimed at coping with HLB. “This is very interesting,” Sanders says of the roundtable meetings. “We hear from the growers ourselves, and today we learned …

Dual Treatment Tested for HLB Trees

Tacy CalliesCitrus, Nutrition

Severe pruning combined with enhanced foliar nutrition did not prove cost-effective. By Monica Ozores-Hampton, Fritz Roka, Robert Rouse and Pamela Roberts Citrus trees affected by huanglongbing (HLB) become diminished, weak and develop dieback resulting in reduced production. Decline in fruit yield ultimately prevents economically acceptable commercial citrus production. Pruning and spraying foliar nutritionals are two practices being considered to restore …

Florida orange

May Citrus Crop Forecast Has Small Changes

Daniel CooperCitrus, Crop Forecast

  Mark Hudson of the U.S. Department of Agriculture’s National Agricultural Statistics Service issued the May 2017 citrus crop forecast. Florida forecast: United States forecast: Florida Oranges All Oranges The 2016-2017 Florida all-orange forecast is up 1 million boxes to 68 million boxes. The total includes 33 million boxes of the non-Valencia oranges (early, midseason, and Navel varieties) and 35 …

usda

USDA Citrus Crop Forecast

The first USDA citrus crop forecast for the 2024-25 season is scheduled to be released at 12:00 noon Eastern Time/9:00 a.m. Pacific Time on Oct. 11, 2024. You will be able to tune in and hear the numbers as they are given by the U.S. Department of Agriculture National Agricultural Statistics Service. Click on the player below to hear the …

Controlled-Release Fertilizer Boosts Health of HLB Trees (Part 2)

Tacy CalliesCitrus, Nutrition

By Pete Spyke, Joby Sherrod and Jude Grosser Part 1 of this article, published in the April 2017 issue of Citrus Industry magazine, provided some background information on controlled-release fertilizer (CRF) along with a discussion of practical applications in citrus production. This article, part 2, includes summaries of observations from several case studies in which CRF has been applied for …

Insight on Improved Management of HLB-Affected Trees

Josh McGillIrrigation, Nutrition

Recent studies shed light on foliar nutrient and irrigation practices. By Kelly T. Morgan and Said Hamido Most citrus growers are well aware that citrus greening (HLB) is one of the most devastating citrus diseases in many parts of the world. The disease is widespread in Florida, Texas, Brazil, Mexico and other major production areas, causing significant concerns about the …

Why Bicarbonates Matter for HLB Management

Josh McGillNutrition

By Jim Graham and Kelly Morgan Huanglongbing (HLB), greening and yellow shoot are names for the most devastating citrus disease in the world. Symptoms of HLB include a distinctive chlorotic mottle on fully expanded leaves. Infected shoots are stunted, and branches gradually die back as the symptoms appear in other sectors of the tree canopy. HLB reduces fruit size, weight …

Citrus Canker Management for 2017

Kelsey FryDiseases

By Evan Johnson The citrus canker season is quickly approaching again, so it is time to start preparing your canker management plan. It is easy to forget the importance of controlling citrus canker with the current state of HLB in Florida. However, citrus canker can cause almost complete crop loss if environmental conditions are favorable for disease early in the …

florida

Crop Forecast Sees Changes for Grapefruit, Tangerines and Mandarins

Daniel CooperCitrus, Crop Forecast

Mark Hudson of the U.S. Department of Agriculture National Agricultural Statistics Service issued the April 2017 citrus crop forecast. ORANGES The U.S. all-orange forecast for the 2016-2017 season is 5.11 million tons, down 1 percent from last month and down 16 percent from the 2015-2016 revised final utilization. The Florida all-orange forecast, at 67 million boxes (3.02 million tons), is unchanged from …

Controlling ACP and Other Pests as Critical as Ever

Tacy CalliesCitrus Greening

By Jawwad A. Qureshi and Philip A. Stansly More than a decade has passed since 2006, when huanglongbing (HLB) or citrus greening disease was identified in Florida. By then, the disease had already spread widely and went unrecognized due to high psyllid populations and a disease incubation period of months or years between infection and symptom expression. Nevertheless, management of …

The Texas Psyllid/HLB Experience

Ernie NeffCitrus Greening, HLB Management

John da Graca, director of the Texas A&M University Kingsville Citrus Center in Weslaco, was among hundreds attending the International Research Conference on HLB March 15-17 in Orlando. He summarizes the Texas industry’s experience with HLB and the Asian citrus psyllids that spread the disease. “Psyllids arrived (in Texas) about 2001,” da Graca says. “At the time it wasn’t seen …

Wonderful Citrus Acquires Major Fruit Marketing and Import Business

Kelsey FryCitrus

Media Contact: Steven Clark 310-966-3517 steven.clark@wonderful.com Significant Supply and Distribution of Counter-Seasonal Citrus Products and Domestic Grapefruit Added to America’s Largest Integrated Grower, Shipper and Packer of Fresh Citrus DELANO, CALIFORNIA, and FORT PIERCE, FLORIDA (February 1, 2017) – Wonderful Citrus, America’s largest integrated grower, shipper and packer of fresh citrus, has purchased DNE World Fruit, the largest citrus marketer …

endophytes

Orange Forecast Drops for Florida and California

Taylor HillmanCitrus, Crop Forecast

The citrus crop forecast, delivered by Mark Hudson of the U.S. Department of Agriculture’s (USDA) National Agricultural Statistics Service in Washington, D.C., showed a 4 percent drop in Florida oranges and a 2 percent drop in California oranges. In total, the U.S. all-orange forecast for the 2016-2017 season dropped 3 percent from last month and is down 13 percent from …

Will You Be Ready for Postbloom Fruit Drop?

Tacy CalliesDiseases, PFD

By Megan M. Dewdney Again in 2016, postbloom fruit drop (PFD) caused widespread problems in Florida groves. There were multiple factors that contributed to the outbreak in 2016. The primary factor was likely the extended bloom that many saw because of a combination of tree stress caused by huanglongbing (HLB) and the very warm winter. Bloom in some groves was …

A Holistic Approach to Production

Tacy CalliesCitrus Greening, PFD

By Owen “Sonny” Conner EDITOR’S NOTE: Citrus Industry magazine is providing a platform for growers to express their experiences and share their stories as we unite in the quest to fight HLB and bring the citrus industry back to a healthy condition. The views stated in this article are those of the author and do not represent those of AgNet …