By Maegan Beatty Last month, the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) hosted a citrus insect workshop that covered almost 10 different pests that pose a threat for Florida citrus. Lance Osborne, professor and researcher at the Mid-Florida Research and Education Center, presented research on chilli thrips. Chilli thrips (Scirtothrips dorsalis) can live in over 150 …
Pre-emergent Herbicides Preferred for Weed Management
It is best for citrus growers to implement a proactive approach to weed management. Being reactive puts producers behind the eight ball with regards to controlling certain weeds in their groves. That’s why Ramdas Kanissery, weed scientist and associate professor at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), is preaching the importance of pre-emergent herbicides. They …
‘Zero and 10’ Is Brazil Greening Campaign Motto
“For the incidence to be zero, the control needs to be 10.” That’s the motto of the new Fundecitrus campaign to mitigate the incidence of citrus greening in Brazil. The campaign highlights the need for strict control of the greening-spreading psyllid, especially in new regions where citrus farming is advancing. Those regions include the states of Mato Grosso do Sul, …
Now Is the Time to Knock Back Psyllid Populations
Now is the time for Florida citrus growers to implement management tactics to control the Asian citrus psyllid (ACP), the insect that vectors citrus greening, also known as huanglongbing (HLB). ACPs are currently in low populations across Florida’s citrus-producing region. That means growers should act now to protect their crop from the insect’s impact, says Chris Oswalt, University of Florida …
Oranges Linked to Lower Depression
Eating an orange a day may lower a person’s depression risk by 20%, according to a study led by Raaj Mehta, an instructor in medicine at Harvard Medical School. Mehta is also a physician at Massachusetts General Hospital. Mehta said a postdoctoral student he was working with found a 2016 paper pointing to the possibility that citrus lowers the risk …
Not If Georgia Will Get HLB, But When
Citrus greening disease, also known as huanglongbing (HLB), is not yet widespread in Georgia. However, there’s no reason to think that it won’t become more of a problem for the state’s citrus growers. Lindy Savelle, executive director of the Georgia Citrus Association (GCA), hopes it doesn’t happen but cautions growers about the disease’s potential beyond Florida. “Something we have to …
Emergency Program Expanded in California for HLB/ACP
The California Department of Food and Agriculture (CDFA) recently announced the expansion in Orange County of an emergency program for HLB and the Asian citrus psyllid (ACP) that spreads the disease. The expansion follows confirmation throughout January of the causative bacterial agent of HLB in plant tissue and/or ACP in Anaheim, Costa Mesa, Garden Grove, Irvine, Mission Viejo, Orange, Santa …
What to Know Before You Go
SHOW ADDRESS The Florida Citrus Show will be held in the parking lot between the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Indian River Research and Education Center (2199 South Rock Road) and the U.S. Department of Agriculture, Agricultural Research Service (USDA-ARS) U.S. Horticultural Research Laboratory (USDA-ARS, 2001 South Rock Road) in Fort Pierce. PARKING Show parking …
Will Weather Set Florida Free From the Threat of PFD?
By Megan Dewdney Despite being in a transition from a La Niña to a neutral El Niño Southern Oscillation phase, Florida has not had warmer than average temperatures in the last two weeks from March 3. Looking at historical trends, temperatures for the last two weeks of February were in the normal range for this time of year. When looking …
Florida Foliar Disease Outlook for 2025
By Megan Dewdney As I write this article in January 2025, the world is a chilly place, and it is hard to imagine warm and wet weather in Florida. The predicted weather pattern from now until flowering is moving from La Niña toward neutral. This is predicted to bring above-average spring temperatures with reduced rainfall. This is a hopeful sign …
The Growth of AI-Based Agroview
A few weeks after Yiannis Ampatzidis started working at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) in 2017, Hurricane Irma wreaked havoc on Florida citrus groves. Growers needed to count their trees with precision to get crop insurance, but it was a laborious, time-intensive task. Ampatzidis, associate professor of agricultural and biological engineering at the Southwest …
HLB Confirmed in Arizona for First Time
HLB was recently confirmed for the first time in Arizona, first in an Asian citrus psyllid (ACP) and then in another ACP and citrus plant tissue. The Arizona Department of Agriculture (AZDA) reported the details. On Dec. 16, 2024, agriculture inspectors collected ACP and plant tissue samples from a residential citrus tree in Nogales. The collections were made during a …
Cold-Hardy Growers Eyeing Juice Market
A low volume of fruit in the cold-hardy citrus region is being produced for the juice market. With the current market prices for juiced citrus, that number could increase in the near future. This topic was discussed during the recent Georgia Citrus Association annual meeting in Tifton. “With the prices today, there is a future for it,” said grower Kim …
Record Mandarin Production Expected in Australia
The U.S. Department of Agriculture Foreign Agricultural Service (USDA/FAS) has forecast record Australian tangerine and mandarin production for 2024–25. The country is poised to produce 225,000 metric tons (MT), a 7% increase from the prior year. ADDING ACREAGE The mandarin planted area in Australia has grown rapidly over the last decade. During the period from 2014 to 2023, there has …
Stuart Scholarship Applications Due April 14
To instill passion for the agriculture industry, engage with a new generation of young leaders and foster a workforce dedicated to the future of Florida agriculture, the Florida Fruit & Vegetable Association (FFVA) created the Mike and Karen Stuart Scholarship. The scholarship is in recognition of the devotion and many years of service to the specialty crop industry that the Stuarts …
From Orange Fights to Industry Leaders
Morgan McKenna Porter, who grew up in a Florida citrus family, remembers having orange fights as a youth with her cousin, Riley. When she started classes at the University of Florida in 2010, she knew she wanted to major in agriculture. Porter took classes in the UF/IFAS College of Agricultural and Life Sciences and graduated in 2014 with a bachelor’s degree …
Global Grapefruit and Mandarin Crops to Drop
A report from the U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) projects world grapefruit and tangerine/mandarin crops will decline in 2024–25 from the previous season. GRAPEFRUIT Global grapefruit production for 2024–25 is forecast down slightly to 6.9 million tons as decreases in Türkiye and the United States more than offset higher production in China. Exports and fruit for …
Where the Research Fruit Goes
Those involved with the University of Georgia (UGA) citrus research plot in Valdosta are often asked what they do with the fruit once it is harvested. All of the citrus is donated to various groups, reports the team of Jake Price, Mary Sutton, Doug Collins, Jacob Kalina, Josh Dawson, Holly Anderson, Michasia Dowdy, Sara Curry, Ben Reeves, Tucker Price and …
Quarantine Updates: HLB in Mississippi; Mexfly in Texas
The U.S. Department of Agriculture Animal and Plant Health Inspection Service (USDA/APHIS) recently announced a quarantine for huanglongbing (HLB) in Mississippi as well as updates to Mexican fruit fly (Mexfly) quarantines in Texas. HLB APHIS, in cooperation with the Mississippi Department of Agriculture and Commerce, established a quarantine for the entire state of Mississippi for HLB. The action was taken …
Stay Vigilant About Virus Threat
By Ozgur Batuman and Amit Levy Citrus yellow vein clearing virus (CYVCV) was first reported on lemon and sour orange trees in Pakistan in 1988. Since then, the disease has been primarily restricted to Asian countries. However, CYVCV was more recently detected in dooryard citrus in California in 2022. While there is no indication that the virus is present in …