April Citrus Forecast: Florida Down, California Up

Tacy CalliesCrop Forecast

Florida’s Valencia orange crop forecast was cut by 13%, and the state’s grapefruit crop projection was trimmed by 8% in the April 8 forecast by the U.S. Department of Agriculture’s (USDA) National Agricultural Statistics Service. The Valencia crop projection was reduced by 3 million boxes, to 20 million boxes. Final fruit size is below the minimum, requiring 273 pieces of …

Working With Citrus Growers to Select New Varieties

Josh McGillAll In For Citrus Podcast, Varieties

John Chater joined the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) in January as an assistant professor of horticultural sciences. His mission is to act as a conduit between citrus plant breeders and growers to find fits for new rootstock and scion selections. Chater’s love of plants was inspired by his grandfather who was a plant breeder …

diaprepes root weevil

Dealing With Diaprepes Root Weevils

Josh McGillPests

By Ajia Paolillo Managing diaprepes root weevils in the grove is essential for root health and overall tree health. The most concerning root weevil for citrus growers is Diaprepes abbreviatus. Diaprepes larval feeding causes significant injury and damage to citrus root systems. LIFE CYCLE AND FEEDING Let’s begin with the life cycle stages of the diaprepes root weevils. Adults emerge …

orange

U.S. Orange Juice Output to Hit 50-Year Low

Josh McGillForecast, Orange Juice

Total U.S. orange juice (OJ) production in the current 2021–22 season is forecast at 286 million single-strength equivalent (SSE) gallons, the U.S. Department of Agriculture’s Economic Research Service reported recently. If realized, this volume will be the lowest in more than 50 years. To compensate for lower production, U.S. OJ imports are expected to increase over last year, reaching more …

Gibberellic Acid Not Recommended in Spring for HLB Trees

Josh McGillHLB Management, Production, Tip of the Week

By Tripti Vashisth Recent research has shown benefits of gibberellic acid (GA) application (monthly from September to January) in improving yield and canopy density of HLB-affected trees. These findings have caught the attention of Florida citrus growers. Many have indicated that they are applying GA in their groves as per the University of Florida Institute of Food and Agricultural Sciences …

Nutritional Lessons Learned From the Field and in the Wild

Josh McGillNutrition

By Brad Turner In the 1970s, the majority of my family’s groves in Hillsborough, Polk and Hardee counties remained on a 25-foot by 25-foot setting or wider. Most of these “old school” blocks received several light cultivations in both directions, two fertilizations and two foliar sprays per season. These groves contained some of the most grand and bountiful trees in …

Citrus Commission Learns About HLB-Tolerant Trees, Other Research

Josh McGillFlorida Department of Citrus, HLB Management, Research

At the Florida Citrus Commission meeting earlier this month, a federal scientist outlined an eight-step action plan for research and development of heirloom orange trees that appear to be tolerant to HLB. Brian Scully, director of the U.S. Department of Agriculture’s (USDA) Horticultural Research Laboratory, discussed the Donaldson and Tobias trees at USDA’s Whitmore Foundation Farm. A third tree is …

Extension Agents Still Seeing Damage From Freeze

Josh McGillFlorida, freeze, Weather

It often takes time for the damage associated with freeze events to manifest in citrus. That was the case for the late January freeze in Florida. While some growers escaped fairly unscathed, others suffered significant damage. The damage began to show in the U.S. Department of Agriculture’s March citrus crop forecast. The agency lowered expected production of Florida oranges this …

Sneak Peek: April 2022 Citrus Industry

Josh McGillCitrus, HLB Management, Sneak Peek

Increased attention on nutrition has become part of the overall strategy for managing HLB. The April issue of Citrus Industry magazine includes several articles on nutrient management designed to help growers keep trees productive in the HLB era. Mandarin growers will want to take note of new University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) research on how …

How to Reduce Bingo Tree Loss to Stem Dieback

Josh McGillDiseases, Research

By Christopher Vincent, Megan Dewdney and Liliana Cano Bingo mandarin hybrid is a variety with many promising characteristics, but it brings specific challenges to profitable production. One challenge identified early in the push to plant Bingo was stem dieback that led to tree loss. After looking into this problem for the past four years, University of Florida Institute of Food …

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Florida Research Order Referendum Slated for May

Josh McGillCitrus, Regulation, Research

Florida citrus growers will be asked to vote in a May referendum whether to maintain the Florida Research Order. The order was established in 1992 to support efforts by the industry — through the creation of the Florida Citrus Production Research Advisory Council (FCPRAC) — to develop solutions to production challenges. The research order has a six-year cycle and is …

OJ Is Half of Household Juice Purchases

Josh McGillCitrus, Florida Department of Citrus, Orange Juice

Orange juice (OJ) recently accounted for more than half of the fruit juice purchased by households, Florida Department of Citrus (FDOC) economist Marisa Zansler told the Florida Citrus Commission on March 16. Citing a report on the Household Purchase Dynamics in the Beverage Category, Zansler added that grapefruit juice represented only about 1.5% of fruit juice sales. All fruit juice …

Georgia Citrus Association Emphasizing Food Safety

Josh McGillCitrus, Food Safety, Georgia

One bad apple can spoil the bunch. The same can be said for Georgia citrus. That was the message shared by Beth Oleson, director of food safety and education for the Georgia Fruit and Vegetable Growers Association, during the Georgia Citrus Association’s (GCA) annual meeting on Feb. 28. She spoke with growers about food safety and applauded GCA’s leadership. “We …

IPCs Improve Fruit Yield and Quality

Josh McGillHLB Management, IPCs, Research

By Fernando Alferez, Ute Albrecht, Susmita Gaire, Ozgur Batuman, Jawwad Qureshi and Mongi Zekri University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers established a field trial in February 2018 to evaluate the efficacy of individual protective covers (IPCs) to prevent Asian citrus psyllids from spreading HLB and to study the effects on tree growth and physiology. The …

Korea’s

Growers in Northern Regions Whetting Consumer Appetites

Josh McGillCitrus, Production

Citrus production in North Florida, South Georgia and South Alabama continues to expand rapidly. That increased production led to a successful marketing year for producers, says grower Kim Jones, who owns a citrus packing facility in Monticello, Florida, and is part-owner of a similar facility in Tifton, Georgia. “We’re selling every piece of fruit we pulled into both sheds this …

Early HLB Detection by Dogs

Josh McGillHLB Management, Research

By Amir Rezazadeh Huanglongbing (HLB), or citrus greening disease, has caused more than 70% decline in the production of oranges for juice and the fresh market in Florida. Once a tree is infected, there is no cure. Early detection followed by a rapid response is important to avoid further spread of the exotic pathogen. Delayed detection of HLB can result in …

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HLB Update in Georgia

Josh McGillGeorgia, HLB Management

A small amount of citrus greening disease (huanglongbing or HLB) can escalate quickly if growers are not careful. Jonathan Oliver, University of Georgia (UGA) assistant professor and small fruits pathologist, cautioned producers about the disease during the recent Georgia Citrus Association meeting. “The issue is not widespread yet (in Georgia) for sure,” said Oliver. “We don’t think the vector is …

Donaldson Tree Is ‘Beacon of Hope’

Josh McGillFlorida Citrus Commission, HLB Management

A recently discovered HLB-infected tree that is producing high levels of fruit holds hope for Florida’s citrus industry, according to Florida Citrus Commission (FCC) Chairman Steve Johnson. “By now, many of you have heard about the Donaldson tree,” said Johnson. “Recently rediscovered at USDA’s (U.S. Department of Agriculture) Whitmore Farm, this decades-old tree is abundantly producing early-season oranges and despite …

Soil Is Key to Setting Up Trees for Success

Josh McGillAgriculture, Nutrition, Soil Improvement

By Brad Turner As I started my regenerative journey five years ago, it conjured up memories of walking the family groves in the 1970s with my freshly sharpened eye hoe. I would follow the tractor as it pulled the offset chopper, crisscrossing between the widely spaced trees in all directions. The native grasses and broadleaf plants — including legumes like …