Experimenting With Cover Crops: Results From Three Years of Trials

Jim Rogers Cover Crops, Research, weeds

By Sarah Strauss, Antonio Castellano-Hinojosa, Davie Kadyampakeni, Ramdas Kanissery and Tara Wade Cover crops, which are planted specifically for soil enhancement and not for sale or harvest, can improve soil conditions and production for a variety of crops. However, there have not been many studies documenting changes to soil conditions and production when using cover crops in citrus. The University …

Finger Limes Introduced for Florida

Jim Rogers Limes, Varieties

Two recently released University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) varieties of finger limes were introduced at a virtual Finger Lime Symposium held in March. Manjul Dutt of the UF/IFAS Citrus Research and Education Center hosted the symposium; he also introduced the new varieties. Lourdes Pérez Cordero, UF/IFAS Extension agent in Highlands County, reported on the new …

High Summer Temperatures Take a Toll on Trees

Jim Rogers Research, Weather

By Anirban Guha and Christopher Vincent A quick body temperature test is common these days before entering many workplaces, hospitals and clinics due to the ongoing COVID-19 pandemic. The purpose is to screen people for fevers, usually with a non-contact infrared thermometer. Measurement of plant body temperatures also has become common for many field crops, not to screen for infectious …

Pests, Pathogens and IPCs

Jim Rogers IPCs, Pests, Research

By Lauren Diepenbrock, Megan Dewdney, Fernando Alferez, Jawwad Qureshi and Ozgur Batuman Individual protective covers (IPCs) are becoming commonplace in citrus production to support the development of young trees after planting. IPCs are made of fine mesh and are intended to keep Asian citrus psyllids (ACP) off young plants. Because ACP can transmit the pathogen that causes citrus greening/huanglongbing, preventing …

Speeding the Search for an HLB Solution

Jim Rogers HLB Management, Research, Varieties

By J. Scott Angle, jangle@ufl.edu, @IFAS_VP My hope is that your new citrus breeding team scientist will be a new Bill Castle on warp speed for an HLB solution. That is, John Chater will accelerate the search for citrus varieties that hold up against HLB. He’s got tens of thousands of places to search. Fred Gmitter and Jude Grosser have …

HLB Research Priorities

Jim Rogers All In For Citrus Podcast, HLB Management, Research

Michael Rogers, director of the University of Florida of Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center in Lake Alfred, discussed the recent Florida Citrus Growers’ Institute in the April All In For Citrus podcast. The event drew a good crowd of growers who came to learn about the latest research aimed at HLB. Rogers made …

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Integration of Nutrition and Crop Protection Products

Jim Rogers Nutrition, Pesticides, Research

By Davie Kadyampakeni and Evan Johnson In the era of citrus greening disease (huanglongbing, HLB), maintaining optimal nutrition and disease/pest management strategies is critical for avoiding adverse effects on tree performance. Use of the right fertilization rate, timing and placement are important for optimal citrus production. In a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) research study, …

Phosphorus Recommendations and Soil pH Amendments

Jim Rogers HLB Management, Nutrition, Soil Improvement

By Kelly T. Morgan and Davie Kadyampakeni Most information provided in the 2020 3rd edition of Nutrition of Florida Citrus Trees is still sound for healthy citrus trees under Florida production conditions. Past information on nutrients, application methods, leaf and soil sampling, and irrigation scheduling are also effective for management of huanglongbing (HLB)-affected trees. However, research conducted since HLB was …

Tip of the Hat to University of Florida Citrus Graduate Students

Jim Rogers All In For Citrus Podcast, Education, Research

During the March All In For Citrus podcast, Michael Rogers, director of the Citrus Research and Education Center, gave props to graduate students in the citrus program at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). There are 65 students currently enrolled in the program carrying out their studies across the state. “Graduate students play a huge …

Growers to Gather at Citrus Institute

Jim Rogers HLB Management, Research, Tip of the Week

By Chris Oswalt, Mongi Zekri, Ajia Paolillo and Lourdes Pérez Cordero Huanglongbing (HLB) continues to impact citrus-producing areas of Florida. The 2022 Florida Citrus Growers’ Institute is an opportunity for Florida citrus growers to come together to learn about effective management of HLB and other challenges affecting the industry. This year’s event will be held Tuesday, April 5 from 8:30 …

Flavor Summit Delves Deep Into the Science of Taste

Jim Rogers Citrus, Florida, Research

In late February, the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) hosted its second annual Flavor Summit. The hybrid in-person/online event was held at the Citrus Research and Education Center (CREC) in Lake Alfred. CREC and the UF Center for Smell and Taste hosted the event that took a deep dive into the science of how flavors …

Finger Limes to Be Focus of Online Event

Jim Rogers Events

Finger limes will be the topic of a March 23 virtual symposium sponsored by the University of Florida Institute of Food and Agricultural Sciences Citrus Research and Education Center (UF/IFAS CREC). Finger limes are a unique citrus variety gaining interest among chefs, foodies and citrus growers. The symposium, targeted to commercial citrus and specialty crop growers and marketers, will be …

Workshop to Focus on Irrigation and Nutrition

Jim Rogers Education, Irrigation, Nutrition

Citrus growers depend on the latest information about best irrigation and nutrition strategies for growing productive trees. University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers will share recent results regarding optimal crop management at a workshop and field visit opportunity on Feb. 8 at the Citrus Research and Education Center (CREC) in Lake Alfred. Davie Kadyampakeni, assistant …

Plight of Florida Citrus Growers Addressed

Jim Rogers Citrus, Florida

Michael Rogers addresses the plight of Florida citrus growers, upcoming educational events and recruitment of new University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) personnel. Rogers is director of the UF/IFAS Citrus Research and Education Center (CREC) in Lake Alfred. Rogers says reports of progressively lower citrus yields, coupled with rising costs of grove inputs, have “really made …

Plan Insect and Mite Management for 2022

Jim Rogers HLB Management, Pests, Tip of the Week

By Lauren Diepenbrock Insect and mite management is a year-round challenge in Florida citrus. With the warm climate, pests are at the ready as soon as plant resources are available to them. With knowledge of insect and mite biology in relation to tree phenology, plans to protect fruit and maintain productive citrus trees can be developed. MAJOR PESTSPopulations of some …

Give Trees a Good Start

Jim Rogers HLB Management

Megan Dewdney told citrus growers how to give young trees a good start in the face of HLB. Her Jan. 19 presentation was held at the Citrus Research and Education Center in Lake Alfred, where she is a University of Florida Institute of Food and Agricultural Sciences plant pathologist. Trees need a robust, established structural root system before they are …

Lower Supply, Higher Demand and Processed Orange Prices

Jim Rogers Processing, Production

By Ariel Singerman According to the U.S. Department of Agriculture (USDA), production of processed oranges in Florida will decline again this season (Figure 1). If such a forecast materializes, production will have declined by approximately 80% since HLB was first found in the state. The Florida Department of Citrus reports that, as a consequence of COVID-19, orange juice demand has …

Developing a Management Plan for Lebbeck Mealybug

Jim Rogers Florida, IPM, Pests

By Lauren Diepenbrock Managing lebbeck mealybug has become an ongoing challenge in many citrus-growing areas of Florida. This pest expanded into 14 counties from 2019 to fall of 2021 and impacts both commercial and residential citrus. Damage includes distorted fruit and leaves, stem dieback and fruit drop. Loss of young trees can occur under extreme infestation scenarios. In addition to …

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Sample the Latest Citrus From UF/IFAS

Daniel Cooper Industry News Release

(UF/IFAS) — As citrus growers, packers, processors, gift-fruit shippers and others taste, feel and smell the latest varieties from the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), they hope their taste buds explode with flavor and that a fresh aroma fills the room at the Citrus Research and Education Center (CREC). These participants will get two more …