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News for citrus growers around the globe
By Christopher Vincent, Anirban Guha, Joon Hyuk Suh and Yu Wang It may surprise you to learn that citrus trees can get too much sunshine in the Sunshine State. Manipulating the light environment around a plant can have several surprising benefits. Shade can suppress the HLB cycle and enhance citrus health and yield. Overall, a mildly shaded citrus plant is …
A presentation at the recent Citrus Pest & Disease Prevention Committee State of the Central Valley meeting in California highlighted the importance of scouting for Asian citrus psyllids (ACP) in groves. Scouting becomes even more critical as the risk of ACP and HLB, the disease the insect transmits to trees, rises. The presenter, University of California (UC) Riverside Extension Specialist …
The citrus organization Fundecitrus recently announced a voluntary initiative by citrus growers and the orange juice industry in the São Paulo and West-Southwest Minas Gerais citrus belt of Brazil. The initiative is called Sustainable Citriculture. Fundecitrus President Lourival Carmo Monaco said the citrus sector has already been adopting sustainable standards to be in compliance with rigorous Brazilian commercial, labor and …
The South Africa citrus industry will likely break all export season records with an estimated 158.7 million cartons in 2021, the Citrus Growers Association of Southern Africa (CGA) reported recently. If the estimate is reached, it would represent a third consecutive season of record export volumes, with 130 million cartons exported in 2019, followed by 146 million cartons in 2020. …
This year’s La Niña weather event is bringing up bad memories for California citrus growers. The industry suffered during the drought years of 2012 to 2016 and the specter of a repeated drought looms with every dry day. The California Natural Resources Agency addressed drought fears in a recent report prepared by Jeanine Jones, interstate resources manager for the California …
Spain’s lemon industry “actively contributes to the fight against climate change by being a real carbon sink,” according to a recent report from the Lemon and Grapefruit Interprofessional Association (AILIMPO). A carbon sink accumulates and stores some carbon-containing chemical compounds and thereby lowers the concentration of carbon dioxide (CO2) from the atmosphere. Globally, the two most important carbon sinks are …
By Francisco Seva Rivadulla According to Bernardo Bravo, president of the National Committee of the Mexican Lemon Product System, Mexican lemons are produced on more than 90,000 hectares distributed in the states of Michoacán, Colima, Oaxaca and Guerrero. Regarding the challenges facing this sector, Bravo points out that “global phytosanitary alerts regarding citrus growing are increasingly latent and present …
Sometimes growers must think outside the box to remain sustainable amid high input costs and devastating diseases. That is the situation facing citrus growers who are struggling to remain viable in the era of citrus greening. What if seaweed could be used to aid in the quality of citrus production? Seaweed is a biostimulant that is part of the biological …
The Florida Citrus Commission in March received updates on recent orange juice (OJ) sales and Florida Department of Citrus (FDOC) marketing efforts. Marisa Zansler, director of the FDOC Economic and Market Research Department, presented the sales data. The FDOC Nielsen retail sales report showed year-over-year not-from-concentrate (NFC) OJ sales increased by 13.9% while reconstituted OJ sales increased by 5%. Average …
A coalition of groups on March 25 sued the Environmental Protection Agency (EPA) for approving spraying of streptomycin on citrus trees to prevent or treat HLB or citrus canker. The groups claimed that the practice of spraying antibiotics on trees has been ineffective in combating the diseases and can drive antibiotic resistance in bacteria, which can threaten human health. The …
The San Joaquin Valley ACP/HLB Area-Wide Task Force strongly recommends citrus growers in Kern County, California, to add an Asian citrus psyllid (ACP)-effective material to their pre-bloom or spring foliar treatments. Since ACP build populations on the young leaf flush, the sooner growers spray, the better. Fortunately, this timing coincides with pre-bloom treatments for katydid, worms, thrips and other pests. …
By Ramdas Kanissery Citrus growers face weed management problems throughout the year due to favorable conditions that allow the rapid growth of weeds in groves. A weed-free tree row is desired in citrus to minimize competition with the trees. This can be achieved by utilizing post-emergent herbicides that control the weeds that have already emerged. Growers have several product options …
Researchers have been looking for ways to help Florida citrus growers fight HLB, and spreading oak mulch around the drip line of citrus trees appears promising. Lukas Hallman, a graduate student at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Indian River Research and Education Center (IRREC) is doing research to find what is in oak trees …
Water is the lifeblood of any farming operation. Many involved in the agriculture sector are working to do all they can to help Florida conserve water and make the most of this essential natural resource. Tatiana Borisova, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) water resource economist, gave an overview of the water-quality policies and programs in …
The annual Florida Citrus Growers’ Institute, hosted by University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Extension, will be held on April 6. The event will be delivered via a Zoom webinar from 8:30 a.m. to 12:00 p.m. “We hope to reach a broad audience despite the limits imposed on us because of the COVID-19 pandemic,” said Chris …
Michael Rogers discusses three popular upcoming citrus grower educational meetings: Florida Citrus Growers’ Institute in April, the Florida Citrus Show in May, and Citrus Expo in August. Rogers is director of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center in Lake Alfred. UF/IFAS is the primary planner of educational presentations at all …
The U.S. Department of Agriculture (USDA) on March 5 announced an $18 million purchase of grapefruit juice in response to winter weather in Texas, the Indian River Citrus League (IRCL) reported. The February Texas freeze caused estimated citrus crop losses of at least $230 million and hit before much of the Texas citrus crop had been harvested. “For the past …
Sarah Strauss, a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) soil microbiologist, shared initial results from a UF/IFAS cover crop research trial during the March 23 OJ Break virtual meeting for citrus growers. According to Strauss, use of cover crops has received increased interest by growers as a method to sustainably and economically improve soil health and …
Citrus Research and Development Foundation (CRDF) directors on March 23 voted to request research proposals from scientists in nine topic areas for the coming year. The nine areas, mostly focusing on HLB, are: Understanding the mechanisms for increasing fruit retention in HLB trees by manipulating hormonal balance in the fruit and the tree or by altering the relationship between vegetative …
According to estimates by the U.S. Department of Agriculture’s Foreign Agricultural Service, European lemon production will reach 1.6 million tons in the 2020-2021 season, 11% more than in 2019-2020. European lemons are available 12 months of the year. The two main varieties are Fino and Verna, according to Welcome to the Lemon Age. The Lemon and Grapefruit Interprofessional Association coordinates …
