Phytophthora incidences are increasing in Florida citrus groves, plant pathologist Ozgur Batuman reported during a May 21 presentation. Phytophthora diseases include foot rot of trunk and limbs, root rot and brown rot. Batuman, a University of Florida Institute of Food and Agricultural Sciences associate professor, said these diseases led to yield reductions of 3% to 6% per year even prior …
Grant Funds Grower’s Whole Orchard Recycling
Grower John Gless owns a citrus orchard in California’s Kern County, which has greater citrus production than nearly any other county in the state. In 2020, he was looking to replace his old orchard and improve the orchard’s soil health through the conservation management practice of whole orchard recycling. With whole orchard recycling, orchard trees are chipped and spread back …
HLB Control in Brazil and Florida Compared
A recent issue of the Annual Review of Phytopathology contains the article, “Management of huanglongbing of citrus: Lessons from São Paulo and Florida.” It discusses the lessons in HLB management, comparing what was done in orchards in Brazil’s state of São Paulo and in Florida. It also highlights the measures that worked and failed from the perspective of controlling the …
Bumper Crop Expected in Cold-Hardy Citrus Region
Lindy Savelle is optimistic about this year’s crop in the cold-hardy citrus region. “We’ve had some fruit drop on trees, which is to be expected, but mostly we are going to have a bumper crop this year,” said Savelle, president of the Georgia Citrus Association and member of the Georgia Citrus Commission. “I think everyone I’ve talked to has said …
Cutrale to Close Florida Juice Plant
The Cutrale Citrus Juices USA plant in Leesburg, Florida, will close and lay off 117 employees beginning in late July. A notice from Cutrale posted on the Florida Department of Commerce website gave the reason for the closing as “primary business partner has decided to move packaging operations from the Leesburg facility to their own facilities.” The notice is required …
Digging Into New Citrus Nutrient Recommendations
In 2022, the Florida Legislature allocated $8.7 million in funds to the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) to update nutrient recommendations for several specialty crops, including citrus. In some cases, it had been decades since the recommendations were updated. The case was made that it was time for nutrient recommendations for citrus that consider new …
Integrating Antibiotics Into a Broader Management Plan for HLB
By Lukasz Stelinski, Eric Roldan and Kirsten Pelz-Stelinski Use of antibiotics in fruit production is not a new idea, but it has only recently been applied on a larger scale in Florida citrus. The initial labels for huanglongbing (HLB) treatment with antibiotics in Florida citrus were approved in March 2016 in response to significant economic losses caused by HLB. Antibiotics …
Diseases Easier to Prevent Than to Control
Plant pathologist Ozgur Batuman recently warned that two citrus viral diseases not currently in Florida are highly suited to the state’s climate and would likely impact production if found there. They are citrus leprosis and citrus yellow vein clearing virus (CYVCV). Batuman, a University of Florida Institute of Food and Agricultural Sciences associate professor at the Southwest Florida Research and …
PIECES OF THE PAST: Play Portrayed Florida Citrus History
By Brenda Eubanks Burnette Mohamed Ismail recently gave me a booklet titled “Golden Harvest – The Romance of Florida Citrus” written by Nina Oliver Dean for the Florida State Horticultural Society “on the occasion of its semi-centennial celebration.” It was actually a play described as “a pageant depicting the important events in the history of Florida citrus from its introduction …
Brazilian Citrus Belt Rich in Wildlife and Carbon
Research carried out by Embrapa, with the support of Fundecitrus and financed by Innocent Drink, shows that Brazil’s Citrus Belt is abundant in wildlife and carbon. WILD ANIMALS The research identified more than 300 species of wild animals in the Citrus Belt of São Paulo and Triângulo/Southwest Mineiro. Mainly, birds and mammals were found circulating or living in production environments …
Sting Nematodes in the HLB Era
The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center hosted an OJ Break seminar in mid-May. Topics included management of nematodes, results of trunk-injection therapies and the use of cover crops in citrus. Larry Duncan, a UF/IFAS professor of nematology, presented research findings on the impact of sting nematodes in citrus. He provided …
Where Do Growers Stand With Trunk-Injection Therapy?
Florida growers are well into their second application of oxytetracycline (OTC) trunk injection as the 2023–24 season winds down. The results of the first application made last year are becoming somewhat clearer, but there’s still more to observe and learn about trunk injection. Ute Albrecht, associate professor of plant physiology with the University of Florida Institute of Food and Agricultural …
CITRUS NURSERY SOURCE: Georgia Citrus Association Annual Meeting Focused on HLB and More
By Peter Chaires The Georgia Citrus Association held its seventh annual meeting on Feb. 27 at the University of Georgia (UGA) campus in Tifton. As usual, the event was well organized and well attended. The agenda included topics such as: It was a value-packed day. HLB RECOMMENDATIONS Roger Smith of TreeSource Citrus Nursery in Woodlake, California, traveled quite a distance …
Have a Hurricane Plan in Place
Florida citrus growers are all too familiar with the fallout from hurricanes in recent history. In 2017, Hurricane Irma came up the spine of the state causing an estimated $760 million in damage to the citrus industry. Then in 2022, Hurricane Ian took an even more direct path over key citrus-production areas causing another $247 million in losses, according to …
Cultural Practices for Finger Limes
At a recent finger lime field day, horticulturist Tripti Vashisth reported that most citrus rootstocks do well with finger limes. She said that Volkamer lemon and X-639 create the most vigorous trees, and that they and US-812 seem to be promising rootstocks for finger limes. Vashisth is a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) associate professor …
Brazil’s First Forecast for the 2024–25 Citrus Season
The 2024–25 orange crop forecast for Brazil’s São Paulo and West-Southwest Minas Gerais citrus belt, published on May 10 by Fundecitrus and its cooperators, is 232.38 million 90-pound boxes. The projected volume represents a significant drop of 24.36% as compared to the previous crop of 307.22 million boxes. VARIETY BREAKDOWN Production by variety is divided as follows (figures in parentheses …
Florida Citrus Crop Reduced
The U.S. Department of Agriculture (USDA) Agricultural Statistics Board released an update to the 2023–24 citrus crop forecast on May 10. FLORIDA ORANGES The Florida orange forecast is lowered 1 million boxes to 17.8 million boxes, representing a 5% decrease from the April forecast. The reduction is in the Valencia crop, which dropped 8% from 12 million boxes to 11 …
Guide Helps Brazilian Growers Evaluate Greening Products
Brazil’s Fundecitrus has prepared and released the free Guide for Citrus Growers: Evaluation of Products to Reduce Damage Caused by Greening. The guide is aimed at growers, researchers and professionals working in citrus farming. The guide brings together suggestions for a thorough assessment in the orchard, allowing citrus growers and technicians to analyze the effectiveness of available chemical products and …
Dealing With Drought Stress
By Amir Rezazadeh Citrus trees are not immune to the challenges posed by drought stress. Drought stress occurs when a tree’s water supply falls below its demand, leading to physiological disruptions that can impair growth, development and fruit production. In the dry season, when water scarcity is a prevalent issue in Florida, understanding and managing drought stress in citrus trees …
Farm Bill Frameworks Favorable for Citrus
Last week, Glenn “GT” Thompson, chairman of the House Committee on Agriculture, unveiled an outline of the bipartisan policies and priorities of the 2024 farm bill. The legislation, scheduled to be marked up by the U.S. House of Representatives’ Committee on Agriculture on May 23, holds the key to crucial resources for various agricultural commodities, including Florida’s citrus industry. On the …