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News for citrus growers around the globe
It’s been 30 years since John Pehrson retired as a University of California Cooperative Extension (UCCE) citrus specialist, but he left such a lasting impression on the citrus industry that his work is still revered today. Pehrson was gifted at translating University of California (UC) research and offering practical solutions to help growers better manage their resources and improve citrus …
Kelly Morgan recently summarized several recommended changes in Florida citrus production practices brought on by the devastating disease HLB. Morgan is a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) soil and water science professor. He discussed what growers need to know to follow best management practices (BMPs) at the recent Citrus Nutrition Day at the UF/IFAS Citrus …
Lebbeck mealybug was first found causing damage in Florida citrus in Highlands County in 2019. As of this writing, it has now been found on citrus in 14 counties in Florida. This pest likely gains some dispersal assistance from wind events, either being blown on infested plant material or as crawlers on wind currents as has been noted for scale …
By Ray Royce As we are now in November, growers should start to think about the prospect of the potentially adverse conditions that winter can bring. Do not get caught off guard by delaying your winter preparations. There are a few measures that growers can undertake to better prepare for cold weather, and now is a good time to start …
An update on the use of the insecticide chlorpyrifos in Florida citrus was provided in the November 2021 issue of Citrus from the Ridge to the Valley, the Central Florida citrus Extension newsletter. In August, the Environmental Protection Agency (EPA) announced it will stop the use of the insecticide on all food. Excerpts from the Extension newsletter’s discussion about the …
U.S. Representative Greg Steube of Florida recently introduced the Keep Food Local & Affordable Act to combat the recent rise in food prices due to historic labor shortages and inflation. This legislation would implement a temporary stay on the H-2A adverse effect wage rate (AEWR) for states struggling to find domestic workers. The H-2A program allows temporary foreign workers in …
By Ute Albrecht, Bo Meyering, José Chaparro and Kim D. Bowman Grafting is an ancient horticultural technique. There is evidence of citrus grafting in the Roman era dating back to the fifth century. In western Europe, grafting was regularly practiced in the 16th and 17th centuries when citrus was grown as an exotic ornamental in containers in orangeries. In Florida, …
Fred Gmitter and Jude Grosser discuss some relatively new varieties they like – a mandarin, some oranges and a pummelo-grapefruit hybrid. Gmitter and Grosser are University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) plant breeders at the Citrus Research and Education Center. SUGAR BELLE® MANDARIN“Looking at Sugar Belle® and its performance against citrus greening, it’s clearly one of …
The issue of ag labor legislation reform will remain unresolved as long as southeastern growers and western growers don’t come to a compromise, says Bob Redding. Redding, who works for the Redding Firm and serves as a lobbyist for agricultural groups in Washington, D.C., believes compromise is the only way true reform will happen with such a contentious issue. “If …
Researchers at the University of Florida have found a way to manage groves infected with HLB by managing the timing of their fertilization. By splitting the application of nutrients to citrus rootstocks, they have been able to improve plant growth and fruit yields. The research was recently published in Soil Science Society of America Journal. Alisheikh Atta and his colleagues …
IMG Citrus announced the launch of the YELLOS Florida grapefruit brand and specialty product. “Although considered a new product on the U.S. market, the YELLOS grapefruit variety is in fact Florida’s original, heirloom grapefruit and the white-fleshed counterpart of the well-known Florida Ruby Red grapefruit,” the company stated. According to a press release, YELLOS are harvested from mature groves more …
HLB-tolerant rootstock seeds from the University of Florida (UF) have arrived in Dareton and Bundaberg to be evaluated under Australian conditions. Citrus Australia CEO Nathan Hancock said it’s important that the rootstocks have arrived in Australia well before the Asian citrus psyllid (ACP) and the HLB it spreads. “We need to know if these rootstocks from Florida are going to …
Fertilization frequency, micronutrient management and rootstocks can all impact the yield of HLB-affected sweet oranges, Tripti Vashisth recently told a Citrus Nutrition Day audience in Lake Alfred, Florida. The educational event was held at the Citrus Research and Education Center, where Vashisth is a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) horticulturist. FERTILIZATION FREQUENCYHLB-affected trees should be …
At the 2021 Citrus Expo, entomologist Lukasz Stelinski suggested ways growers can manage HLB-spreading Asian citrus psyllids (ACP) while reducing costs. Some of the University of Florida Institute of Food and Agricultural Sciences entomologist’s key points follow: Psyllid density is related to tree stress; more psyllids lead to higher damage, compromising tree health and yield. Spray for adults at bud …
Mexico is the second leading exporter of orange juice (OJ), following only Brazil, Florida Department of Citrus (FDOC) economist Marisa Zansler reported recently. She said Mexico’s OJ exports increased incrementally in recent seasons in response to the decline in world OJ supplies. Excerpts from Zansler’s FDOC document, Florida Citrus Outlook 2021-22 Season, follow. Although a net exporter of orange juice, …
Heavy fruit loads have created a problem for Owari satsuma rootstock trials in Valdosta, University of Georgia Extension agent and Lowndes County Extension Coordinator Jake Price reported recently. “It has been a struggle the last month or so to keep fruit off the ground because of the heavy fruit load,” says Price. “Fruit touching the ground will rot and fall …
By Chris Oswalt The weather folks are predicting weak to moderate La Niña conditions this winter. Typically, having either the La Niña or El Niño conditions during the winter in Florida is a good thing. There is a historically lower probability of having severe freezing temperatures during either of these El Niño-Southern Oscillation (ENSO) conditions in Florida. What this means …
Law firm PGMBM reported it has secured a London High Court judgment that will result in a Brazilian orange juice (OJ) magnate facing trial over his participation in an illegal cartel. José Luis Cutrale and his son, José Luis Cutrale Jr., reportedly were part of an operation that substantially impacted the global market for the sale of OJ. Brazilian orange …
The ongoing pandemic and a dreary day of relentless rain did not stop the Florida citrus industry from gathering to celebrate four of its most outstanding members. On Nov. 5, approximately 350 people convened at Florida Southern College in Lakeland to honor the 2021 members of the Florida Citrus Hall of Fame. This year, the event was also live-streamed for …
By Ramdas Kanissery, Nirmal Timilsina and Mongi Zekri Weed control is crucial for the growth and establishment of young citrus trees. Chemical weed control with herbicides is an efficient and cost-effective method for managing weeds in newly planted groves. However, before applying herbicide products, care must be taken to avoid damaging young trees and newly planted resets. Every so often, …
