psyllids

Two Big Psyllid Questions Answered

Ernie Neff HLB Management, Psyllids

Michael Rogers with the University of Florida’s Institute of Food and Agricultural Sciences (UF/IFAS) says growers frequently ask him two questions. One is whether they need to continue to control HLB-spreading Asian citrus psyllids even though HLB is widespread in Florida. The other is about the best time to spray for psyllids. Rogers, an entomologist and director of the UF/IFAS …

Insight on Improved Management of HLB-Affected Trees

Josh McGill Irrigation, Nutrition

Recent studies shed light on foliar nutrient and irrigation practices. By Kelly T. Morgan and Said Hamido Most citrus growers are well aware that citrus greening (HLB) is one of the most devastating citrus diseases in many parts of the world. The disease is widespread in Florida, Texas, Brazil, Mexico and other major production areas, causing significant concerns about the …

Captain, We Have a Problem: the Juice Stocks!

Kelsey Fry Economics, Global Perspectives

By Marcos Fava Neves  The new figures from the U.S. Department of Agriculture released in March showed a small drop in the Florida orange estimate from 70 million to 67 million boxes. In February, the Brazilian orange estimate announced by Fundecitrus stayed the same, at approximately 244 million boxes. Oranges in Brazil currently contain a lot of water, with almost …

Ground Cover Management Can Improve Citrus Nutrition

Kelsey Fry Nutrition

By Christopher Vincent I recently spent a morning with a grower who was trying to find out how efficient his citrus fertility program was. His fertilizer practices were carefully considered combinations of granular fertilizer and fertigation based on foliar sampling and yield history. We were there to observe some European consultants who were measuring mineral nutrient levels in the root …

Citrus Canker Management for 2017

Kelsey Fry Diseases

By Evan Johnson The citrus canker season is quickly approaching again, so it is time to start preparing your canker management plan. It is easy to forget the importance of controlling citrus canker with the current state of HLB in Florida. However, citrus canker can cause almost complete crop loss if environmental conditions are favorable for disease early in the …

PFD

Florida on Cusp of Potential PFD Season

Ernie Neff PFD

The timing was perhaps impeccable for a seminar in Arcadia on February 8 that focused on postbloom fruit drop (PFD). Rain had fallen on Central Florida the night before, and some bloom is already on trees. That combination of rain and bloom has led to major PFD outbreaks in recent years. “There’s some bloom out there already,” says University of …

Global Perspectives

Economic Hurricane Hitting Orange Juice Chain

Tacy Callies Global Perspectives

By Marcos Fava Neves We are normally threatened by natural storms hitting the orange juice chain, some of them hurricanes. Matthew was the last one, but fortunately it remained off the coast of Florida rather than directly hitting the orange-production area. However, the orange juice chain is facing a storm — an economic hurricane that is complicating supply and demand. …

Global Perspectives

A Bitter Analysis of the World’s Orange Juice Market

Tacy Callies Citrus, Global Perspectives

By Marcos Fava Neves During the last five years, I was involved in a study that examined data in depth about the world’s orange juice (OJ) consumption. This study, led by Markestrat, gathers data from Citrus BR associates, U.S. Department of Agriculture, Tetrapak, Compass, Nielsen, Planet Retail and other recognized international organizations that collect data. The analysis was performed in …

HLB

Some Growers ‘Being Squeezed More than Others’ by HLB

Ernie Neff Bactericides, HLB Management, PFD

Citrus Extension agent Steve Futch answers questions following a grower forum in Arcadia on October 27. Growers discussed production, bactericides for HLB and much more. The forum opened with one grower saying he doesn’t know how much longer he can keep going. Another reported per-acre orange production of 450 to 500 boxes in some blocks – a superb level in …

October 2016 Citrus Industry Magazine Sneak Peek

Tacy Callies Citrus

The October issue of Citrus Industry magazine is coming soon to your mailbox or in box! Many readers will recognize the subject of this issue’s cover story. Allen Morris has played several roles in Florida’s citrus industry during the past three decades. You may know Morris as an economist, business consultant, marketer or author. He shares his views on current …

citrus congress

Browning Reports from the International Citrus Congress

Ernie Neff Citrus, Citrus Greening

The International Citrus Congress is taking place this week in Brazil. Scientists and citrus industry members from around the globe are gathering to learn the latest research not just on HLB, but on all aspects of citrus production. Florida is well represented at the event. Harold Browning, Citrus Research and Development Foundation chief operations officer, is among the attendees. Southeast …

New Knowledge on Citrus Black Spot

Josh McGill Citrus

By Megan Dewdney, Jeff Rollins, Nan-Yi Wang and Ke Zhang Citrus black spot (CBS) has become established in the groves of Collier and Hendry counties. In other citrus-growing regions of the world where CBS is present, the sexual fruiting bodies of the fungus, known as pseudothecia, form in decomposing leaf litter. Approximately 50 to 180 days following leaf drop, the …

Moving Murcott from the Top of the Tree to the Bottom

Tacy Callies Rootstocks

By Bill Castle and Luiz A.B.C. Vasconcellos Maybe it’s time to try a scion as a rootstock! Murcott is widely known as a scion variety, but it might be an interesting rootstock based on grower experience in Brazil as well as rootstock trial results and some commercial use in Florida. Mandarin rootstocks and their hybrids have generally good horticultural traits, especially …

IndexBox Marketing: Orange Market in Crisis

Kelsey Fry Citrus, Citrus Greening

According to a report by IndexBox Marketing, the orange market is in crisis.  One of the main reasons is the citrus greening disease, widespread in the key centers of orange cultivation. This is why a reduction of the global orange market volume is expected once again in 2016. Orange yield reduction affects consumption worldwide. In this case, a distinction should …

Global Perspectives

World Growth and the Drop in Orange Juice Production

Josh McGill Citrus, Global Perspectives

By Marcos Fava Neves Editor’s Note: Welcome to Citrus Industry magazine’s newest column, Global Perspectives, authored by Marcos Fava Neves, an international expert on global agribusiness issues who comes from a family of farmers and is a worldwide defender of agriculture. As a professor of planning and strategy at the School of Business at the University of São Paulo, Neves …

Sneak Peek: June Citrus Industry Magazine

Josh McGill Citrus

The June issue of Citrus Industry magazine is coming soon. This edition is all about citrus beyond the Sunshine State. Readers will notice a new column in the magazine, called Global Perspectives, authored by a Brazilian citrus expert, Marcos Fava Neves. Ernie Neff, senior correspondent at large, examines the citrus industries in California and Texas. His articles include both challenges …

Metalized Mulch

Josh McGill Citrus, Citrus Greening

Big boost in young tree growth and yield from insecticides and metalized mulch By Phil Stansly, Scott Croxton and Joby Sherrod With yields dropping in Florida and Brazil, the decision to replant is not an easy one. Still, prospects for eventual success of new plantings are better now than ever in the last 10 years. Think about it: 1) Asian …

Veteran Biologist Named Director

Kelsey Fry Citrus

Veteran Biologist Named Director of UF/IFAS Entomology Lab By Brad Buck GAINESVILLE, Fla. — Just as the Zika virus is causing concern worldwide, a University of Florida insect specialist with 36 years of experience at the Florida Medical Entomology Laboratory has been named the lab’s new director. Professor Jorge Rey started at FMEL, part of the UF Institute of Food …