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News for citrus growers around the globe
The U.S. Department of Agriculture (USDA) announced proposed amendments to the Florida citrus marketing order. As recommended by the Florida Citrus Administrative Committee, changes would include reducing the size and quorum requirements of the committee and revising the nomination and selection processes of committee members. The requirement of allocating committee seats based on volume from each district would also be …
This summer has been a steamy one with some Florida locations breaking record highs. The latest episode of the All In For Citrus podcast took up the hot topic with Amir Rezazadeh, a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) fruit and field crops Extension agent. He addressed how heat can affect citrus trees and people working …
An Asian citrus psyllid (ACP) sample confirmed positive for Candidatus Liberibacter asiaticus (CLas) — the bacteria that causes huanglongbing (HLB) — was collected from a commercial citrus grove in the Pauma Valley area of California’s San Diego County. This confirmation marks the first CLas-positive ACP found in a commercial grove in San Diego County and only the second grove detection …
By Anirban Guha Heat stress could take a toll on citrus tree health and fruit yield. In Florida, the hot season lasts more than four months. Long, hot, oppressive summer days can heat up leaves and fruit and make the trees extra thirsty. Also, high soil evaporation, irregular rainfall and poor soil water-holding capacity can often lead to summer drought …
The Florida Citrus Commission (FCC) recently heard a report that 13% of consumers surveyed in June said the increased price of buying orange juice (OJ) is a barrier. Florida Department of Citrus (FDOC) Director of Economic and Market Research Marisa Zansler provided that information to the FDOC’s governing board. Zansler also reported that 5% of consumers said they were less …
Brazil’s 2022–23 orange harvest is expected to yield a crop of 414.4 million 40.8-kg boxes (MBx), an increase of 15% over the prior season’s production. That forecast was issued by the U.S. Department of Agriculture’s Foreign Agricultural Service (USDA/FAS) in its semi-annual report on Brazilian citrus. Most of Brazil’s 2022–23 orange harvest will come from the state of São Paulo …
The growth in South African grapefruit plantings is expected to continue in 2021–22, increasing by 3% to 9,200 hectares, the U.S. Department of Agriculture’s Foreign Agricultural Service (USDA/FAS) stated in a recent report. The area planted to grapefruit grew by 25% over the past seven years. Limpopo province is the leading growing region for grapefruit in the country, accounting for …
Fundecitrus recently issued recommendations for leprosis management in Brazil. Leprosis has been expanding in the Brazilian citrus belt for the last six years and is an increasingly significant cause of fruit drop. The disease also causes a reduction in the useful life of the tree, weakened by defoliation and drying of the branches. The main disease management strategy is to …
Several national agricultural organizations issued a statement expressing disappointment over the U.S. Supreme Court’s recent glyphosate decision not to hear the case Monsanto vs. Hardeman, which pertains to state glyphosate health warnings. The statement read: “We are disappointed the Supreme Court has decided not to hear this case, which has significant implications for our global food supply and science-based regulation. …
Land planted in mandarins in Chile increased significantly over the past 10 years, the U.S. Department of Agriculture’s Foreign Agricultural Service (FAS) recently reported. In marketing year 2021–22, the area planted totaled 11,194 hectares, a 32.6% increase over 2019–20. A decade ago, planted mandarin area totaled only 3,629 hectares. The mandarin industry includes clementines and tangerines. FAS said the planted …
By Jude Grosser and Fred Gmitter New sweet oranges and sweet orange-like hybrids could offer improved juice quality for growers. It’s no secret that the recent season in Florida was a disaster, with record low production and terrible fruit quality due to HLB. Juice Brix and soluble solids were so low that harvest was delayed in many groves, resulting in …
In its semi-annual citrus report for Argentina, the U.S. Department of Agriculture’s Foreign Agricultural Service (USDA/FAS) increased its 2021–22 estimate for Argentina’s lemon crop production by 15%, to 1.9 million metric tons (MMT). Lemons are grown principally in the northwest provinces of Tucuman, Salta and Jujuy, with some minor production in northeast Argentina. Over the past few years, both existing …
The Florida Agricultural Hall of Fame is now accepting nominations for its class of 2023 inductees. The Florida Agricultural Hall of Fame honors producers, commodity leaders, educators, scientists and others who have made significant contributions to the production of food in Florida. The online nomination form is available on the Florida Ag Hall of Fame website. Visit floridaaghalloffame.org and click …
Florida citrus growers are facing a rising mound of challenges these days. With citrus greening disease (HLB) devastating groves, low supply, soaring fertilizer prices and a substantial increase in overall production costs, the current odds are stacked high against citrus growers. This is an industry in crisis. Fortunately, science is catching up with new solutions to combat these urgent issues. …
The 1,000th tree okayed for growing by California’s Citrus Clonal Protection Program happens to be California’s oldest orange variety in the state. Dubbed the Mother Orange Tree, Bidwell’s Bar is a sweet Mediterranean orange brought to California from Mazatlán, Mexico, and planted in 1856. It was first planted near the Bidwell Bar Bridge near Oroville. The tree’s survival skills are some …
Florida Department of Citrus-funded research into the health benefits of citrus products was among the highlights of a 2021–22 update the Florida Citrus Commission received in June. Rosa Walsh, director of scientific research at the department, provided the update. The update included three new publications on additional analyses of the Eurecat study on the impact of orange juice (OJ) and …
Research studies show that about 60% of Florida citrus trees are infected by HLB disease within six months of planting. By one year, 100% of citrus trees are infected. For that reason, the use of individual protective covers (IPCs) has become very popular to protect young citrus trees from the Asian citrus psyllid (ACP). The covers have proven to be …
By Christopher Vincent Kaolin particle film is a non-toxic tool to reduce psyllids and increase tree growth. Particle films are nothing more than a suspension of solid particles that make a “film” on the leaves after they dry. They work mostly by reflecting light. Kaolin is the most common type of particle film because the clay is mined directly and …
A study examining the effects of 100% grapefruit juice reported that consumption led to lower vascular stiffness in women when compared to a control drink. Increased arterial stiffness is primarily a consequence of aging and has been associated with an increased risk of cardiovascular disease, including heart attack and stroke. Originally published in the American Journal of Clinical Nutrition, this randomized …
The Florida Department of Agriculture and Consumer Services (FDACS) has confirmed the presence of Oriental fruit flies, Bactrocera dorsalis, in Pinellas County. Two male flies were captured during routine trapping in a methyl eugenol-baited fruit fly detection trap in St. Petersburg on May 17. Expanded intensified delimitation trapping over the 80-square-mile surrounding area resulted in two additional males being captured …
