psyllid

IPM as an Economic Strategy

Ernie NeffIPM

Many citrus growers think integrated pest management (IPM) is all about reducing pesticide use. Not so, University of Florida Institute of Food and Agricultural Sciences entomologist Lukasz Stelinski told growers recently. “IPM is a system to achieve sustainable agriculture, and it’s very much based in economics, where a damage threshold or economic injury level is identified,” Stelinski said. Once a …

Food-Safety Recommendations for Fresh Market Citrus

Tacy CalliesFood Safety

It’s time to prepare for implementation of the Produce Safety Rule. By Travis Chapin, Michelle Danyluk and Keith Schneider In preparation for implementing the Food Safety Modernization Act’s Produce Safety Rule (PSR), growers, harvesters and packers of fresh citrus are required to attend standardized food-safety training, such as the Produce Safety Alliance (PSA) grower training course, which outlines the minimum …

Windbreaks for Citrus

Ernie Neffwindbreaks

University of Florida Institute of Food and Agricultural Sciences researcher Xavier Martini recommends planting windbreaks on two or more sides of citrus groves. He gave this advice to growers at a recent Citrus Insect Management Workshop in Lake Alfred, Florida. Martini said windbreaks do a good job of keeping canker and HLB-spreading psyllids out of groves. The trees also help …

Ross Reappointed as California Department of Ag Head

Len WilcoxCalifornia Corner

New California Governor Gavin Newsom has reappointed Karen Ross, 67, of Sacramento, as secretary of the California Department of Food and Agriculture (CDFA). The state cabinet-level department was established in 1919 to promote and protect a safe, healthy food supply, local and global agricultural trade, and environmental stewardship. Ross successfully served as CDFA secretary under Governor Edmund G. Brown Jr. …

pests

Pests on the Horizon

Ernie NeffPests

A shift toward reduced use of insecticides in Florida groves could lead to the emergence of pests that haven’t generally been a problem for years, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) entomologist Lauren Diepenbrock said. Pests that could return or emerge in the face of reduced insecticide use include scales, mealybugs, false spider mites and fruit …

psyllid

Cut Psyllid Control Costs

Ernie NeffPsyllids

University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) entomologist Lukasz Stelinski suggested ways growers can cut psyllid control costs. He summarized key points he made in a talk at a Jan. 8 Citrus Insect Management Workshop at the Citrus Research and Education Center in Lake Alfred. Stelinski credited the late UF/IFAS entomologist Phil Stansly for determining that psyllid …

rubio

Rubio Calls on DeSantis to Disburse Citrus Aid

Daniel CooperCitrus, financial, hurricane, Industry News Release

U.S. Sen. Marco Rubio implored Florida’s new governor Tuesday to start spreading disaster-relief money approved nearly a year ago to address massive citrus-industry damage from Hurricane Irma in 2017. Rubio said in a letter to Gov. Ron DeSantis that money in a $343 million block grant needs to be disbursed to citrus growers. Rubio said the federal government shutdown has …

Government Shutdown Not Affecting California Citrus — Yet

Len WilcoxCalifornia Corner, Citrus

An analysis by California Citrus Mutual (CCM) indicates there is no major impact at the present time on government programs that affect California’s citrus industry. This could change if the shutdown drags on, however. According to the report, “Our major priority would be the ACP/HLB program sometimes known as CHRP (Citrus Health Response Program). We are not suffering any major …

pests

How to Identify and Avoid Nutrient Deficiencies

Ernie NeffNutrition

  Nutrient deficiencies are common in HLB-affected trees, which make up the vast majority of Florida citrus trees. At a recent Citrus Nutrition Day in Bartow, University of Florida Institute of Food and Agricultural Sciences researcher Arnold Schumann discussed ways to identify and avoid nutrient deficiencies. A common identification method for nutrient deficiencies is direct observation, “walking through your grove, …

Recent Pest Concerns in Florida Citrus

Tacy CalliesPests

By Lauren Diepenbrock While Asian citrus psyllids (ACP) are an ongoing concern in Florida citrus due to their role in spreading the bacterium associated with citrus greening, they are not the only pest of concern to growers. Citrus leafminer (CLM) and root weevils are two pests that have been raising concerns and adding to the challenge of managing productive citrus …

HLB Reduction Strategies

Tacy CalliesHLB Management

By Jawwad Qureshi, Lukasz Stelinski and Fernando Alferez Management of huanglongbing (HLB) has focused on reducing the vector Asian citrus psyllid (ACP) and improving tree health, thus requiring a multi-pronged approach. Several elements of an HLB management system are either available or under current investigation. Maintenance of clean nursery stock, vector management and tree nutrition are widely implemented, while incorporation …

morgan

Manage Soil pH and Nutrition for HLB

Ernie NeffHLB Management

Growers with trees affected by HLB should try to maintain soil pH in the 6 to 6.5 range, Kelly Morgan told numerous growers attending a recent Citrus Nutrition Day event. Morgan is director of the University of Florida Institute of Food and Agricultural Sciences’ (UF/IFAS) Southwest Florida Research and Education Center. Morgan explained that soil pH affects trees’ ability to …

California Citrus Crop Report Summary

Len WilcoxCalifornia Corner

California Citrus Mutual reports that the California citrus crop summary for 2017 is now complete. The data shows a strong season for the state’s citrus growers. The total value for all California citrus is about $3.84 billion. There are 324,360 acres, which produced 257,830 tons of citrus. Navels continue to hold the number-one spot for acreage with 148,179 bearing acres …

varieties

New Varieties a Nurseryman Likes

Ernie NeffVarieties

Jim Dilley of Dilley Citrus Nursery in Punta Gorda was intrigued by some new varieties he sampled at the Citrus Research and Education Center in Lake Alfred recently. Dilley singled out “several of the tangerines: 1818, 1819” as being of interest to him. “They were easy peel. It was apparent that one of them was probably a little earlier than …

podcast

Rogers Reviews 2018 in Citrus

Ernie NeffCitrus

Citrus Research and Education Center Director Michael Rogers recently took a look back at the Florida citrus industry in 2018 from a grower and researcher perspective. Rogers said 2018 was “a bit calmer” for everyone in the industry than the prior year. “Our main citrus-growing regions in the state dodged major hurricanes this year … We really needed a break …

Sneak Peek: January 2019 Citrus Industry Magazine

Tacy CalliesSneak Peek

It’s no secret that the most damaging pest in Florida citrus is the Asian citrus psyllid. But there are other bugs growers need to watch out for, too. The January issue of Citrus Industry magazine takes a look at current pests of concern and offers management methods. An article on HLB reduction strategies focuses on tools growers can use to …

citrus

2016-17 Florida Citrus Season: Smaller Harvest, Higher Prices

Daniel CooperEconomics, Industry News Release

A new report from economists with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Economic Impact Analysis Program (EIAP) showed higher prices offset production declines during Florida’s 2016-17 citrus growing season, and the industry’s overall economic contributions changed little from 2015-16. Titled, “Economic Contributions of the Florida Citrus Industry in 2016-17,” the report was formally presented to …

agricultural engineer

Ag Engineer Joins UF Scientists to Restore Grapefruit Industry

Daniel CooperResearch, Water

An agricultural engineer whose current research projects include the simulation of agricultural management impacts on water quantity and quality in the upper Floridan aquifer has joined the University of Florida’s Indian River Research and Education Center (IRREC). Sandra Guzmán will lead the center’s irrigation and hydrology program. Guzmán started her position as an assistant professor of agricultural and biological engineering …

California Citrus Conference Calls Attention to Key Industry Issues

Tacy CalliesCalifornia Corner

By Len Wilcox The Citrus Research Board’s (CRB) annual California Citrus Conference took place in October in Visalia. This year’s event included a celebration of the organization’s 50th anniversary. The CRB is an important resource to California’s citrus industry. It awards more than $7 million each year to researchers throughout the state. Since 2008, CRB has focused much of its …

podcast

International Citrus Breeders Draw Attention

Ernie Neffbreeders

Approximately 70 growers, researchers and others listened to citrus breeders from other countries discuss their programs and objectives in Lake Alfred, Florida, earlier this month. The University of Florida Institute of Food and Agricultural Sciences Citrus Research and Education Center (CREC) hosted the event. Michael Rogers, CREC director, provided an overview of the gathering. “This international citrus breeders symposium is …