The Citrus Research and Development Foundation (CRDF) directors recently ratified the rootstock selections for the planned rootstock field trials and discussed the organization’s involvement in future research, CRDF Chief Operating Officer Rick Dantzler reported. The board ratified 10 rootstock selections for the new field trials, overseen by CRDF’s Select Committee on Plant Improvement. According to Dantzler, the field trials will evaluate …
Growers Wanted for Nutrition Box Program
Last year, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) scientists offered Florida citrus growers soil and leaf testing along with tailored quarterly nutrition counseling in an effort to improve tree health. The Citrus Nutrient Management Program, more commonly known as the nutrition box program, has successfully supported 75 growers from 17 counties across the state. Michael Rogers, …
All In For Citrus Podcast, January 2021
An update on the nutrition box program, shade research with some positive side effects, and a bold project analyzing compounds used against HLB headline January’s All In For Citrus podcast. The Citrus Nutrient Management Program, more commonly known as the nutrition box program, is over a year old. Citrus Research and Education Center Director Michael Rogers, with the University of …
Job Opportunities Good for Ag Graduates
A U.S. Department of Agriculture (USDA) report that projects strong employment opportunities for new college graduates interested in agriculture and related fields opened with a cautionary preface. Termed “A 2020 Pandemic Note,” it stated that the underlying study and preparation for the report began in September 2019, “when global socio-economic conditions were much different from today.” It stated that fewer …
Grower Sees Success With Oak Mulch
Like several commercial Florida citrus growers, Ben Bateman of Brandon has noticed strong improvement in what he calls his “recreational grove” after applying oak mulch to the trees. Bateman planted 26 mixed-variety trees in large pots about six years ago, transplanting them to the ground five years ago. He said he spent nearly $1,000 on foliar nutrients “with little to …
Florida Citrus Packinghouse Sold
Indian River Exchange Packers (IREP) on Jan. 8 sold its Vero Beach, Florida, packinghouse to Diamond Drinks, a Pennsylvania drink manufacturing firm. The sales price was $4.5 million. “Diamond Drinks will convert the packinghouse into a private drink mixing and bottling company,” said IREP President George Hamner. “They will also extrude and sell plastic bottles.” IREP plans to continue packing …
Argentina Lemon Production to See Sharp Drop
Fresh lemon production in Argentina is forecast at 1.03 million metric tons in 2020-21, down 30 percent compared to the previous marketing year. The U.S. Department of Agriculture’s Foreign Agricultural Service (FAS) reported these figures. Low spring temperatures seem to have significantly affected production and, coupled with the ongoing drought, resulted in reduced fruit size. As a result of the …
Kaolin Particle Film Reduces HLB Pressure
Researchers found use of kaolin particle film on trees reduced populations of HLB-spreading psyllids and delayed HLB infection. University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) assistant professor Christopher Vincent presented his research comparing red and white kaolin particle films with foliar insecticides during a recent UF/IFAS OJ Break webinar. According to Vincent, the particles of kaolin clay …
New Louisiana Citrus Research Facility
The Arlene and Joseph Meraux Charitable Foundation has constructed a citrus research facility at the Docville Farm in partnership with the Louisiana State University (LSU) AgCenter. The new facility, called the Center for Louisiana Citrus Innovation and Research, is in Violet, Louisiana. “This facility will be utilized to support Louisiana citrus growers as well as promote citrus and other specialty …
China Tangerine and Mandarin Forecast
China is forecast to produce 23.1 million metric tons of tangerines and mandarins in 2020-21, a slight increase from 2019-20, the U.S. Department of Agriculture’s Foreign Agricultural Service reported recently. Looking further ahead, some industry insiders predict the overall growth rate of tangerine and mandarin production will slow in coming years. They expect local governments may become more conservative in …
States See Changes in U.S. Citrus Forecast
The U.S. Department of Agriculture’s (USDA) National Agricultural Statistics Service (NASS) dropped another 2 million boxes from the January forecast for Florida’s orange crop but added 200,000 boxes to the state’s grapefruit projection. ORANGESFlorida’s total orange crop is now forecast at 54 million boxes, down 4 percent from 56 million boxes in December. The orange reduction was in the non-Valencia …
The State of the Florida Citrus Processing Industry
Kristen Carlson, executive director of the Florida Citrus Processors Association, answers questions from Tacy Callies, Citrus Industry editor. Q: What are the current opportunities in Florida citrus processing? A: There is some excess capacity in Florida should the citrus greening situation improve, and Florida increases its box production. Greening has decreased the yield of boxes per tree. With less impact …
Third Packer for Cold-Hardy Citrus
A third packinghouse started packing fresh South Georgia and North Florida citrus in 2020. The newest packer, The Satsuma Company, is in Tifton, Georgia. The others, Corbett Brothers in Lake Park, Georgia, and Florida Georgia Citrus in Monticello, Florida, have been packing citrus since 2016. “I have visited all three facilities in South Georgia and North Florida,” said Lindy Savelle, …
New Dietary Guidelines Include Role for Juice
The newly released 2020–2025 Dietary Guidelines for Americans (DGA) continue to reinforce that nutrient-dense 100 percent fruit juices, such as orange juice (OJ), count as a fruit serving. They also continue to include 100 percent fruit juice as a part of a healthy dietary pattern. The guidelines support the incorporation of beverages such as 100 percent OJ into the daily …
La Niña and Florida Citrus
A moderate La Niña climate phase is expected through spring 2021. This indicates that slightly above average temperatures and slightly less rainfall than normal can be expected in Florida’s citrus belt. Multi-county citrus Extension agent Ajia Paolillo made that announcement during a virtual Dec. 22 OJ Break presented by the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). …
Breeding Hybrids With HLB Resistance
UC Riverside scientists are working to breed new fruits that are naturally resistant to huanglongbing (HLB). The hybrid fruits will ideally share the best of their parents’ attributes: the tastiness of citrus and the HLB resistance displayed by some Australian relatives of citrus. HLB, also called citrus greening disease, has been detected in California, where 80 percent of the country’s …
Irrigation Management With Artificial Intelligence
Artificial intelligence (AI) can be an overwhelming topic, but Sandra Guzmán says it is easier to swallow when it helps growers. Guzmán, an agricultural engineering assistant professor at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Indian River Research and Education Center, has been working directly with growers to integrate the benefits of in-field technology. The influx …
Organic Acid, HLB Link Found
One obvious symptom of HLB is leaf chlorosis — yellow blotches appearing on otherwise dark green citrus leaves. Although chlorosis can indicate other health issues, in trees affected by HLB, it’s thought to be triggered by the underlying bacterial infection causing the disease. University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) plant pathologist Nabil Killiny conducted a study …
Grapefruit Juice Demand Is Strong
There were numerous reports in 2020 about the significant increase in consumer demand for orange juice (OJ) at the retail level during the COVID-19 pandemic. But Florida Department of Citrus economist Marisa Zansler recently reported that “the same can be said about the significant increases in sales volumes of other citrus products … Notably, within the retail fruit juice category, …
Flowering Intensity, Shoot Dieback and HLB
Citrus trees grown in Florida continuously undergo various types and levels of stress. Stressors can include severe weather conditions, soil pH, chemicals, pests and diseases. The constant presence of HLB and psyllid infestation adds further stress to the tree, compromising overall tree health. Off-season flowering and prolonged flowering are common responses of trees when undergoing various stress conditions. Off-season and …





























