HLB

Gmitter on Surviving HLB, What to Plant and Lemon Potential

Ernie NeffHLB Management

In a wide-ranging talk at Citrus Expo in August, University of Florida Institute of Food and Agricultural Sciences researcher Fred Gmitter discussed many topics important to growers. Subjects included making variety decisions when planting, surviving HLB, and the potential for lemons in Florida. He summarizes his discussion: “We can give information (about citrus varieties), but we don’t want to give …

Sneak Peek: October 2017 Citrus Industry Magazine

Tacy CalliesSneak Peek

The October issue of Citrus Industry magazine celebrates the 100th anniversary of the Citrus Research and Education Center (CREC). An in-depth article recaps the history of the University of Florida center, decade by decade. Also included is a timeline of major citrus events as well as CREC’s greatest accomplishments over the years. In addition, the issue looks at the present …

Ventura County Growers Tackle Troubles in Paradise

Tacy CalliesCalifornia Corner

By Len Wilcox Ventura County, California, is perhaps the prettiest place in the world to grow lemons. Nestled between the golden slopes of the coast range and the relaxing seaside and azure-blue ocean, it is just north of Los Angeles on the famous Pacific Coast Highway. In town, Ventura seems far too urban to be an agricultural center; it is …

Argentinian Lemon Import Lawsuit Update

Len WilcoxCalifornia Corner, lemons

Last month, the U.S. Department of Justice asked for dismissal of the lawsuit by California lemon growers challenging a new import rule allowing Argentinian lemons into the United States. The U.S. Citrus Science Council (USCSC), representing approximately 750 family citrus farmers, filed the lawsuit against the U.S. Department of Agriculture (USDA) in federal district court in Fresno, California, earlier this …

Sneak Peek: September 2017 Citrus Industry Magazine

Tacy CalliesSneak Peek

The next issue of Citrus Industry magazine takes a look at the status of citrus labor in Florida. A trio of articles offers insights on harvesting costs, using the H-2A program and keeping skilled workers. Also included in the September issue is coverage from the 2017 Citrus Expo held in Fort Myers, Florida, on August 16–17. An appearance by Secretary …

system

System Screens Out Citrus Greening-Carrying Insect

Daniel CooperCitrus Greening, Industry News Release, Research

Imagine camping in the deep woods. You’d want a tent with mesh that prevents bugs – even those as small as gnats – from entering into your wildlife hangout. That’s the idea behind citrus under protective screens, or CUPS, which helps keep away a pinhead-sized insect that causes citrus greening, University of Florida/Institute of Food and Agricultural Sciences (UF/IFAS) scientists …

Time to Get Serious About Trialing New Scion/Rootstock Combinations

Tacy CalliesRootstocks, Scions

By Jude W. Grosser and Frederick G. Gmitter It’s no secret that citrus greening disease, or HLB, continues to take a heavy toll on the beloved Florida citrus industry. It has been estimated that the industry will need to replant over 3 million trees per year for the next 10 years just to get back to normal. So the million-dollar …

Citrus Leprosis: a Continuing Threat in Florida and North America

Tacy CalliesDiseases

By Richard F. Lee The old-timers called citrus leprosis “nailhead rust.” Prevalent in Florida in the early 1900s, the disease was first called leprosis in the 1920s by H.S. Fawcett. Although the disease was widespread in Florida at one time, it mysteriously disappeared in the mid-1960s. L.C. Knorr [University of Florida/Institute of Food and Agricultural Sciences Citrus Research and Education …

In-Field Fruit Fogging for Psyllid Control

Tacy CalliesPsyllids

The California Citrus Research Board (CRB) hosted live Asian citrus psyllid (ACP) fogging demonstrations in April. The purpose was to show the viability of controlling the spread of ACP by fogging shipments of citrus on the truck, as close to the harvested field as possible. Spencer Walse, CRB research scientist specializing in chemical applications in agriculture, carried out the demonstrations. He is based at …

citrus greening

UC Puts HLB Research Online in Easy-To-Read Updates

Len WilcoxCalifornia Corner

California citrus farmers have their ears perked for all news related to Asian citrus psyllid (ACP), huanglongbing (HLB) disease and HLB research, but some of the very latest advances have been available only in highly technical research journals, often by subscription only. University of California (UC) Cooperative Extension scientists are now translating the research into readable summaries and posting them …

citrus

Florida Citrus Harvest Lowest in Decades

Daniel CooperCitrus, Crop Forecast, Industry News Release

by Jim Turner, News Service of Florida The final forecast of the 2016-2017 season for Florida’s struggling citrus industry shows the orange crop falling 16 percent from the previous season — which, itself, had been at a five-decades low. And after a season of severe drought, combined with the continued fight against a deadly citrus disease and the expansion of …

citrus crop forecast

Final U.S. Citrus Crop Forecast Down 17 Percent from Last Season

Daniel CooperCitrus, Crop Forecast

Candi Erick, the agricultural statistics administrator with the Florida Department of Agriculture and Consumer Services’ Florida Agricultural Statistics Service, reports the final citrus crop forecast of the 2016-17 season. The United States all-orange forecast for the 2016-2017 season is down 2 percent from last month and down 17 percent from last season’s final utilization. The 2016-2017 Florida all-orange forecast released …

Korea Requirements for Fuller Rose Beetle

Len WilcoxCalifornia Corner, Pests

As in previous years, orange shipments to Korea must be free of Fuller rose beetle (FRB) and California red scale (CRS). Growers desiring to qualify oranges for export to South Korea must comply with the FRB protocol during the 2017-2018 shipping season. Growers are required to implement the following measures for FRB control on oranges: 1. Skirt-prune trees to prevent …

Tree Defender Stops Psyllids

Tacy CalliesCitrus

Sponsored Content A Florida company may hold the key to protecting the world’s young citrus plantings until a permanent solution for the devastating citrus greening disease (HLB) can be found. Widespread devastation from citrus greening has caused billions of dollars in lost revenue and killed over 100 million citrus trees worldwide. Although there appears to be no end in sight, …

Sneak Peek: July 2017 Citrus Industry Magazine

Tacy CalliesResearch, Sneak Peek, Technology

Technology and equipment are the main themes of the July issue of Citrus Industry magazine. Not to be missed in this issue is a cover story on University of Florida citrus breeder Fred Gmitter, written by senior correspondent Ernie Neff. The article explores the genetic technologies Gmitter is using to create improved citrus varieties. You’ll also learn some surprising facts …

fungus

Sources of HLB-Spreading Psyllids

Ernie NeffPsyllids

The origin of HLB-spreading Asian citrus psyllids found in citrus groves is regarded differently in Texas and California than it is in Florida. Michael Rogers, University of Florida Institute of Food and Agricultural Sciences entomologist and director of the Citrus Research and Education Center, explains. “Areas like Texas and California, their focus has been on combating psyllids in the urban …

UC Davis Seeking a Few Good Citrus Orchards

Len WilcoxCitrus

Professor Patrick Brown, of the University of California, Davis Department of Plant Sciences, needs the help of some citrus growers with high-producing citrus orchards for a special project. He is looking for growers who have both navels and mandarins that are productive. “It’s a non-destructive study. We just want to collect leaf samples and analyze them for nutrient levels,” said …

Lawsuit Filed to Stop Argentine Lemons

Len WilcoxCitrus

California lemon growers are suing the U.S. government for allowing Argentine lemons into the United States. The U.S. Citrus Science Council (USCSC), representing approximately 750 family citrus farmers, has filed the lawsuit against the U.S. Department of Agriculture (USDA) in federal district court in Fresno, California. Members of the California citrus industry are challenging the rule because the Administrative Procedure …

App Identifies Nutrient Problems

Tacy CalliesNutrition

A Dinuba, California-based company specializing in plant nutrition has developed a phone app that helps growers identify and treat crop nutrient deficiencies. The company — Nutrient Technologies, Inc. — has been manufacturing and selling agricultural fertilizer products since 1986 in the Central Valley and throughout California, specializing in citrus crops. The app, called Crop Nutrient Advisor, shows photos of plants …

usda

USDA Citrus Crop Forecast

The first USDA citrus crop forecast for the 2024-25 season is scheduled to be released at 12:00 noon Eastern Time/9:00 a.m. Pacific Time on Oct. 11, 2024. You will be able to tune in and hear the numbers as they are given by the U.S. Department of Agriculture National Agricultural Statistics Service. Click on the player below to hear the …