Irrigation and Nutrient Management BMPs

Ernie NeffBMPs, Irrigation, Nutrition

A Citrus Expo presentation about best management practices (BMPs) focused on what growers should be doing now in their irrigation and nutrient management programs. The presentation noted that current BMPs were developed prior to HLB’s discovery in Florida in 2005, and that studies are underway to revise the citrus BMPs for nitrogen and phosphorus. The presentation was created by University …

Protecting Trees From Phytophthora Disease

Tacy CalliesDiseases, Tip of the Week

By Evan G. Johnson It is time to start thinking about protecting the fall root flush that will start soon and continue through November/December. This is the largest root flush of the year that stores carbohydrate reserves for next spring. Coming out of the rainy season, phytophthora has had the chance to build up plenty of inoculum, especially in groves …

Citrus Tristeza Virus Still in Florida

Ernie NeffDiseases

Citrus tristeza virus (CTV) is still present in Florida and can be transmitted to new trees, especially during brown citrus aphid outbreaks, according to the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). A presentation about surveying for CTV was available at the UF/IFAS booth during Citrus Expo in August. The presentation noted that switching to sour orange …

Major HLB Discovery Announced

Ernie NeffHLB Management

A University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researcher recently determined how bacterium causes the devastating citrus disease HLB. Information about further research into ways the discovery can help growers reverse the effects of HLB and improve tree health will be presented this fall.   MORE DETAILS TO COMEUF/IFAS Citrus Research and Education Center (CREC) Director Michael …

CUPS Yielding Positive Results for Grapefruit

Tacy CalliesCUPS

An innovative way to manage huanglongbing (HLB) disease is producing impressive results in University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) research. According to Arnold Schumann, UF/IFAS professor at the Citrus Research and Education Center (CREC), citrus under protective screen (CUPS) production systems have increased yields with zero effect from HLB. He shared research results during a recent …

Sneak Peek: September 2021 Citrus Industry

Tacy CalliesSneak Peek

The September issue of Citrus Industry magazine largely focuses on two topics: nutrient management research and highlights from the return of the in-person Citrus Expo. NUTRITION RESEARCHSeveral features authored by University of Florida Institute of Food and Agricultural Sciences authors share the latest strategies for improving nutrition of citrus trees. Yiannis Ampatzidis and Ute Albrecht discuss the newest technologies that …

How to Work With UF/IFAS for a Rootstock Trial

Tacy CalliesRootstocks, Tip of the Week

By Bill Castle The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center (CREC) plant improvement team has long been engaged in field research to evaluate new scions and rootstocks. That effort continues and has involved trials on public and private property. While public sites are valuable, they are limited in number. Thus, most …

Missed Expo? You Can Catch Up!

Ernie NeffAll In For Citrus Podcast, Citrus Expo

If you missed Citrus Expo Aug. 18-19 and the great production information available at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) booth, you can now access it online. Posters and videos that were available at the booth are now on the UF/IFAS Citrus Research website. Click on “Presentations,” then “Citrus Expo Presentations,” then “2021 Citrus Expo.” …

grapefruit

Gmitter Earns High Honor

Ernie NeffAwards

Fred. G. Gmitter Jr. has been named a 2021 Fellow by the American Society for Horticultural Science (ASHS). Gmitter is a professor of horticulture and a citrus breeder at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center (CREC) in Lake Alfred. Being recognized as a Fellow is the ASHS’ highest honor. Fellows …

Where to Find Information About Citrus Research

Tacy CalliesTip of the Week

By Ruth Borger Sometimes when it comes to information shared by University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) faculty, Florida citrus growers may suffer from information overload. There is a lot of good, solid, useful information that growers can use immediately to improve their operations. But how do you sift through it all, and where do you …

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All In For Citrus Podcast, August 2021

Tacy CalliesAll In For Citrus Podcast, hurricane

This month’s All In For Citrus Podcast gives growers valuable advice for dealing with hurricanes and tropical storms. The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) team describes how to prepare for and recover from these weather events, as well as the impacts they can have on Florida’s economy. Before getting to the information about storms, the …

Citrus Expo Offers New Information and Experiences

Tacy CalliesCitrus Expo, Tip of the Week

By Jamie Burrow and Ruth Borger Citrus Expo, hosted by AgNet Media with programming support from the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), is being held in person Aug. 18-19 in North Fort Myers. Like in past years, UF/IFAS faculty will be presenting educational sessions on the latest information that growers can use to improve their …

phytophthora

Time for Brown Rot Management

Tacy CalliesDiseases, Tip of the Week

By Evan Johnson The Florida summer rainy season is in full swing, and there have been one or two root flushes by now. This is a good environment for increases in soil Phytophthora propagule counts. High counts have been seen this year, especially in Southwest Florida. While much of the focus may be on root rot, it is important to …

Improving Plant Improvement

Ernie NeffBreeding

Many in the Florida citrus industry have long believed that development of trees that are resistant to or tolerant of HLB is the key to coping with the devastating disease. In Florida, most of the work on developing such trees is conducted by researchers at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) and the U.S. Department …

Effect of Nutrients on Canopy Response and Yield

Tacy CalliesNutrition

By Davie Kadyampakeni, Tanyaradzwa Chinyukwi, Alan Wright and Rhuanito Ferrarezi The development of an efficient nutrition program for citrus trees provides the essential elements for optimum tree growth and yield. Tree performance is reduced when an essential element is deficient, while an excessive amount leads to plant toxicity and hinders overall tree performance. In citrus production, adequate fertilization rates help …

Educational Opportunities for Growers

Ernie NeffCitrus Expo, Education

Michael Rogers discusses several educational opportunities for citrus growers, including the Citrus, Vegetable and Specialty Crop Expo and Citrus Packinghouse Day. Rogers is the director of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center (CREC). The Expo (Aug. 18-19) and Packinghouse Day (Aug. 26) will be held in-person this year after taking …

citrus

All In For Citrus Podcast, June 2021

Tacy CalliesAll In For Citrus Podcast

This month’s All In for Citrus Podcast details the results and benefits growers are getting from the citrus nutrition box program. Before hearing from the coordinators of the program, Citrus Research and Education Center Director Michael Rogers shares updates on key events coming up this summer for the industry. The first is the Citrus, Vegetable and Specialty Crop Expo in …

Fruit Drop: When to Harvest

Tacy CalliesFruit Drop

By Ariel Singerman and Stephen H. Futch In the 2020–21 citrus season, fruit drop has severely impacted orange yield in Florida. According to a recent U.S. Department of Agriculture (USDA) citrus crop forecast, the estimate of fruit drop for early/mid-season and Valencia oranges was 43% and 34%, respectively. Moreover, according to some growers, the level of fruit drop has been …

Preserving Beneficial Insects

Tacy CalliesBiologicals, HLB Management

Beneficial insects could be a citrus grower’s best friend. In a time when producers are applying insecticides to control the Asian citrus psyllid, the vector of citrus greening disease, it’s important to preserve the psyllids’ natural enemies, like lady beetles and lacewings. Jawwad Qureshi, University of Florida entomologist, implores growers to scout their groves periodically to see what insects are …

Effects of Grower Tools on Citrus Diseases and Roots

Ashley RobinsonDiseases, Root health

Citrus researchers at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) are taking a more comprehensive look at how tools to manage HLB affect young trees. The goal is to develop integrated approaches and update management practices for growers. After one year of the research project, some interesting results are already emerging. The research project, “Establishing Healthy …