Approximately 12,000 Lee County homeowners in Florida will receive checks in early January as compensation for citrus trees destroyed in the state’s citrus canker eradication program, according to attorney Robert Gilbert. Gilbert was the lead counsel representing the homeowners in a class action lawsuit for the past 17 years. According to Gilbert, the residential trees that were destroyed by the …
Canker Quarantine Expanded in Texas
The U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (APHIS) announced June 30 it was immediately expanding the area quarantined for citrus canker in Texas. The agency added portions of Cameron County near San Benito and Brownsville to prevent the spread of the disease. APHIS confirmed the positive identification of citrus canker in two residential trees in San …
Citrus Canker Management Through the Year
Plant pathologist Megan Dewdney with the University of Florida Institute of Food and Agricultural Sciences offers suggestions for managing citrus canker at different times of the year. She is an associate professor at the Citrus Research and Education Center (CREC) in Lake Alfred. Dewdney suggests that copper sprays begin when fruit reach three-eighths of an inch in diameter in groves …
When to Be on Canker Alert
Citrus fruit is susceptible to canker after it reaches three-eighths of an inch in diameter, University of Florida Institute of Food and Agricultural Sciences Extension pathologist Megan Dewdney told growers this winter. “Once you get to that point and we get rain, then all bets are off as to whether you will keep canker out,” Dewdney said at a winter …
Citrus Canker Management: Seasonal Preparation and Hurricane Irma’s Influence
By Evan G. Johnson The citrus canker season is just over a month away, so it is time to plan a canker management program to avoid fruit drop or fresh market quality loss. With the current state of HLB in Florida, it is easy to forget some of the other potentially crop-destroying pests in the grove, especially when, unlike HLB, …
Homeowners to Receive Compensation After 17-Year Canker Battle
A legal fight over citrus canker has finally come to a close after 17 years. Citrus canker, which reappeared in Florida in 1986, is a bacterial disease that can cause blemishes on the fruit, and in some cases, can cause fruit to drop prematurely. Canker is usually spread by the wind, making it difficult to control. In 2000, Florida was …
How Will Irma Affect Citrus Canker Management?
By Evan G. Johnson The citrus canker season is quickly approaching again, so it is time to start planning your canker management program to avoid fruit drop and fresh-market quality loss. 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 …
Homeowners Want Quick Ruling on Canker Payment Veto
from News Service of Florida Florida’s top court needs to decide this week on Gov. Rick Scott’s veto of $37.4 million in compensation to homeowners that had healthy citrus trees cut down by the state, attorneys challenging the veto argued in documents filed Tuesday. The class-action lawsuit, filed last week, involves homeowners in Broward and Lee counties who won judgments …
Citrus Canker Management for 2017
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 …
Buddha’s Hand Citron Could Play Role in Canker Resistance Breeding
By Naveen Kumar, R.C. Ebel and P.D. Roberts Citrus canker became endemic in Florida after several introductions and eradication programs dating back to 1915. The citrus industry struggles for an effective, permanent program. Canker is an expensive disease due to the need to increase the number of sprays and products applied. Canker also causes enormous economic losses due to fruit …
Indian River Citrus Grower on Canker, HLB and Bactericides
Canker and HLB have made things very difficult for Indian River citrus growers, but outgoing Indian River Citrus League President Scott Lambeth is optimistic about bactericides. “For the last three years with the contraction of the industry, it’s very difficult to keep an open mind and stay positive when you see family farms that are third and fourth generation still …
Canker Is Manageable, Grower Crop Advisor Says
Tom Stopyra, technical crop advisor for the Packers of Indian River, told more than 75 growers at an Immokalee seminar last week how his company gets excellent canker management utilizing a four-pronged program: “You have to control the leafminer. You have to have frequent copper sprays at a lower rate. You have to have windbreaks and sanitation, which is the …
Improving Automated Citrus Grading
New research in China suggests that combining traditional color cameras with near-infrared imaging could make automated citrus grading systems much better at detecting surface defects. The technology has the potential to improve packhouse efficiency, reduce the number of defective fruit reaching consumers and help growers maximize the value of their crop. The study, published in the journal Agriculture, was conducted …
Citrus Leafminers Are Back in Georgia
Apurba Barman, assistant entomology professor at the University of Georgia (UGA), recently wrote about citrus leafminer (CLM) damage resuming in Georgia groves. His article provided management recommendations, including timing of insecticides. Edited excerpts follow: PEST DAMAGE As the temperature rises, so does the potential for CLM attack. CLM is a serious pest resulting in feeding damage to young shoots and …
Pressures Impacting the Brazilian Citrus Industry
Shifts in the international geopolitical landscape, rising logistics costs, sanitary barriers and currency fluctuations are directly impacting Brazil’s fruit industry, including citrus. The effects of these transformations were discussed during a recent edition of the Socioeconomics Debates series, hosted by Embrapa, under the theme, Brazil’s Fruit Industry: How Global Crises Impact What Reaches Your Table. Researchers, economists and production representatives …
All In For Citrus Podcast, May 2026
After significant drought in many parts of Florida, some much-needed rainfall began in May as the rainy season approaches. That seasonal transition, from a grove management perspective, is the focus of the May episode of the All In For Citrus podcast. Michael Rogers, director of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education …
Citrus Projects Funded by Plant Protection Act
The U.S. Department of Agriculture (USDA) announced an investment of more than $90 million under Section 7721 of the Plant Protection Act to support 441 projects that will: Of the 441 projects, 421 fall under the Plant Pest and Disease Management and Disaster Prevention Program and 20 support the National Clean Plant Network. USDA will reserve approximately $17.2 million to support rapid …
Florida Citrus Show: A Day of Education and Enjoyment
The Florida Citrus Show marked another successful event in March in Fort Pierce. The show provided attendees with a fun, informative day to learn about citrus and specialty crops while engaging with exhibitors during the tailgate-style trade show. CRAFT UPDATE Citrus Research and Field Trial (CRAFT) programs have been very popular with growers and have incentivized new citrus plantings across …
Cover Crops, Ecological Mowing Benefit Citrus
Brazil’s Fundecitrus reported on the benefits to citrus from the use of perennial cover crops such as Urochloa ruziziensis combined with the adoption of ecological mowing. This technology has been gaining space in groves by redistributing the phytomass of cover crops from the interrows to the planting rows, forming a protective mulching layer over the soil. Benefits of the management …
Study Sheds Light on the Use of Ascorbic Acid With OTC
Growers have always been innovators, testing new production practices in their groves. When you add a disease like HLB, those experiments get ramped up in the effort to seek solutions. A good example of this was a discussion that began last year among growers that ascorbic acid (vitamin C) might be helpful in extending the effectiveness of the oxytetracycline (OTC) …




























