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The November All In For Citrus podcast takes a trip around the globe. Faculty from the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) join the show to describe citrus production in regions outside of the United States. Michael Rogers, director of the UF/IFAS Citrus Research and Education Center, gives an update on citrus in the Caribbean and …
As the end of the year approaches, now is a good time to look back at what has been learned about huanglongbing (HLB) disease over the last 20 years. In the Citrus Industry section of the December issue of Specialty Crop Grower, Michael Rogers, Citrus Research and Education Center director, provides a comprehensive review of the progress made in fighting …
By Davie Kadyampakeni, Chris Oswalt and Muhammad A. Shahid With the onset of cooler temperatures, citrus trees cease active growth and become quiescent. This continued quiescence at lower temperatures results in a subsequent increase in cold hardiness, known as acclimation. Citrus trees proceed through many changes during acclimation, including: The above factors combine to increase the ability of citrus tissues …
In a recent study, Chinese researchers found that citrus seedlings clearly prefer nitrate over ammonium as a nitrogen source. The researchers — Hao Xu, Wenlang Hu, Kaiyuan Du, Yan Dong, Qingru Fan, Zengrong Huang, Lin-Tong Yang, Li-Song Chen and Jiuxin Guo — are with the Fujan Agriculture and Forestry University. In their study, the researchers compared two citrus cultivars (C. reticulata …
The U.S. Department of Agriculture Agricultural Marketing Service (USDA AMS) is amending the U.S. Standards for grades of orange juice (OJ) by changing the limits for Grade B Brix allowances in pasteurized OJ (POJ). The change will align with the Food and Drug Administration’s (FDA) Standard of Identity (SOI) for POJ. The Brix allowances under the U.S. OJ standards are …
The Citrus Research and Development Foundation (CRDF) convened its November board of directors meeting to take up recommendations from its Research Management Committee. According to Rick Dantzler, CRDF chief operating officer, one of those recommendations was funding a proposal from Swadesh Santra, who is a professor of chemistry with the University of Central Florida. “This funding would allow Dr. Santra …
A lack of adequate soil moisture could make an already challenging situation for Florida citrus growers worse. It is imperative that producers keep applying irrigation amid any prolonged dry period, says Chris Oswalt, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus agent. Oswalt noted that many citrus-producing regions in Florida have had little, if any, rain in …
The Farmers’ Almanac announced it has published its last issue, ending a 208-year run. “It is with a heavy heart that we share the end of what has not only been an annual tradition in millions of homes and hearths for hundreds of years, but also a way of life, an inspiration for many who realize the wisdom of generations …
South African citrus growers packed 203.4 million 15-kilogram cartons for global markets in the 2025 export season. That’s a 19% increase from the original April estimate of 171.2 million cartons, and a 22% increase from 2024 exports. INCREASE IN ALL VARIETIES Final packed figures for 2025 are: GROWTH DRIVERS Driving the growth is a combination of favorable weather conditions in …
A recent tour of Brazilian citrus provided Georgia growers with valuable information on how to capitalize on production amid huanglongbing (HLB) disease. Lindy Savelle, executive director of the Georgia Citrus Association and owner of JoNina Farm, was one of seven producers who attended the week-long tour this fall. One of the main observations was Brazil’s strong production despite the prevalence …
Texas citrus is showing heavy crops, but limited summer irrigation has led to smaller fruit sizes so far, said Juan Anciso of Texas A&M AgriLife Extension Service. Anciso is an AgriLife Extension vegetable specialist and associate head of the Department of Horticultural Sciences at the Texas A&M AgriLife Research and Extension Center in Weslaco. According to Anciso, quality continues to remain good to …
Sponsored Content Question: Are third-party research trials showing good improvement in HLB symptoms with the use of ReMedium TI®? Answer: There have been a number of research trials performed by the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) and U.S. Department of Agriculture-Agricultural Research Service (USDA-ARS) over the past couple of years. ReMedium TI® results have been …
By Muhammad A. Shahid, Shahid Iqbal and Davie Kadyampakeni As temperatures begin to drop across citrus-growing regions, now is the time for growers to prepare their groves for potential freeze events. Citrus trees, especially young plantings, are susceptible to cold temperatures. Damage from a single freeze event can result in canopy dieback, fruit loss and even tree death. Proper planning …
The first half of November saw the most sprouting ever observed in Brazilian citrus by the Psyllid Alert, reaching 37.4%. This scenario raises an alarm for citrus growers, since the increase in sprouting is directly linked to the growth of the psyllid population, the insect vector of huanglongbing (HLB) disease. HLB is also known as citrus greening. According to the …
Plant pathologist Megan Dewdney on Nov. 20 presented updates on greasy spot, greasy-green, citrus black spot (CBS) and phytophthora brown rot. Dewdney is a University of Florida Institute of Food and Agricultural Sciences associate professor and Extension specialist at the Citrus Research and Education Center. GREASY SPOT AND GREASY-GREEN Dewdney reported that control measures for greasy spot, caused by the …
The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center (CREC) citrus breeding team hosted a field day on Nov. 19 at the UF/IFAS Eagle Lake Block. The Eagle Lake Block is a 30-acre property that was gifted to CREC as part of the Jim Hughes estate. The grove tour featured several selections being …
California’s huanglongbing (HLB, also known as citrus greening) quarantine and its Santa Clara Mediterranean fruit fly (Medfly) quarantine were recently expanded. The U.S. Department of Agriculture Animal and Plant Health Inspection Service (APHIS) in cooperation with the California Department of Food and Agriculture (CDFA) expanded the quarantines. HLB The HLB-quarantined area in Riverside County was expanded by 3 square miles. …
Editor’s note: This is the third installment of four articles honoring the 2025 Citrus Achievement Award Winner Ben Albritton. Senate President Ben Albritton is preparing for the 2026 legislative session with committee meetings in full swing. The session is slated to start on Jan. 13 and run 60 calendar days. During the past session, Albritton successfully led the effort to …
A University of Connecticut researcher recently made advancements in citrus gene editing techniques to reduce the drawbacks of traditional methods. The researcher is Yi Li, professor of horticultural plant breeding biotechnology in the College of Agriculture, Health and Natural Resources. BACKGROUND Scientists employ genome-editing technologies to precisely modify a plant’s own genes, either by inactivating or activating specific target genes …
The Citrus Growers’ Association of Southern Africa (CGA) welcomed new U.S. tariff exemptions that include oranges. It stated that the new exemption is great news for the 2026 season, which starts around April. According to CGA, the exemption once again makes South African oranges competitive in the U.S. market, which holds opportunities for increased exports and local job creation. The …
