fruit fly

Winning the Fruit Fly Fight

Daniel CooperPests, Regulation

Federal and state agriculture officials recently removed several fruit fly quarantines in Texas and California. TEXAS On July 16, the U.S. Department of Agriculture Animal and Plant Health Inspection Service (USDA/APHIS) and the Texas Department of Agriculture (TDA) removed the Mexican fruit fly (Mexfly) quarantine in Sullivan City, Hidalgo County. This action releases 68 square miles from quarantine. There was …

Florida

Sustaining Citrus Production in the HLB Era

Daniel CooperIrrigation, Nutrition

The virtues of daily irrigation and increased micronutrient applications were among key points researcher Davie Kadyampakeni made in an Aug. 13 discussion of citrus production in the HLB era. Kadyampakeni is a University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) associate professor of soil, water and ecosystem sciences at the Citrus Research and Education Center in Lake Alfred.  …

Hurricane Debby

Impact of Hurricane Debby on North Florida Citrus

Daniel Cooperhurricane

High wind speeds were prevalent when Hurricane Debby passed through the North Florida region last week. Perry, Florida, received the brunt of those winds. According to Lisa Strange, University of Florida Institute of Food and Agricultural Sciences Extension agent in Taylor County, wind speeds were recorded at 80 miles per hour. It led to some citrus trees toppling over. Others …

repository

Repository Is ‘Insurance Policy’ for Australian Citrus

Daniel CooperInternational, Varieties

Through Hort Innovation investments on behalf of growers and the Australian government, the National Citrus Repository Program has been established as an ‘insurance policy’ to protect Australia’s citrus industry against destructive, incurable diseases. The repository houses more than 120 publicly-owned true-to-type ‘foundation tree’ variety clones so growers can access clean, disease-free planting material for assured quality and yield protection. According …

ideal grove

What Will the Ideal Grove of the Future Look Like?

Daniel CooperBrazil, HLB Management

Since no cure exists for citrus greening-diseased plants, Brazilian researchers are developing ways to modify orange trees and the environment around groves to make it harder for greening-spreading psyllids to thrive. LOCATION AND LAYOUT The ideal grove envisioned by Fundecitrus researchers, in collaboration with the Spanish National Research Council/Polytechnic University of Valencia and Durham University (England), starts with a careful …

publication

New HLB Publication at the Citrus & Specialty Crop Expo

Daniel CooperCitrus Expo, Tip of the Week

By Michael E. Rogers Do you plan to attend the Citrus & Specialty Crop Expo on Aug. 21–22 at the Florida State Fairgrounds in Tampa? If so, you’ll want to stop by the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Extension booth to pick up the latest publication on HLB management assembled by UF/IFAS citrus experts. …

University of Georgia

University of Georgia Makes Citrus Appointments

Daniel CooperGeorgia

The University of Georgia (UGA) announced the appointment of citrus Extension specialist Mary Sutton and peach and citrus breeder Dario Chavez. MARY SUTTON Sutton will focus on maximizing citrus production and improving its efficiency in the face of challenges. Issues important to citrus production in Georgia include: Sutton received her master’s degree in horticulture from UGA in 2019 and her …

hlb

Reasons to Believe HLB Is Beatable

Daniel CooperEvents, HLB Management

Growers gathered in Bonita Springs in mid-June for the Florida Citrus Industry Annual Conference. The event hosted by Florida Citrus Mutual drew a good crowd. The mood of growers was mixed. While there was hope that HLB trunk-injection therapies might have resulted in more dramatic improvements to this year’s crop, there also was recognition that these therapies represent one of …

Oriental fruit fly

California Quarantine Updates

Daniel CooperCalifornia Corner, Pests, Regulation

Federal and state officials have removed and reduced Oriental fruit fly (OFF) quarantines in two California counties and expanded the huanglongbing (HLB) quarantine in another county. The actions were taken by the U.S. Department of Agriculture Animal and Plant Health Inspection Service (USDA APHIS) and the California Department of Food and Agriculture (CDFA). ORIENTAL FRUIT FLY On July 5, the …

campaign

Greening Bacterium Causes Changes in Psyllids

Daniel CooperPsyllids, Research

Recent studies, including a partnership project between Fundecitrus and the University of California, revealed that the citrus greening bacterium Candidatus Liberibacter asiaticus causes physiological changes in psyllids, posing additional challenges to management strategies. An increase in the number of eggs, more frequent dispersal flights over longer distances and greater attractiveness to the host are some of the changes observed in …

USDA

CRDF Approves Project to Enhance Breeding Efforts

Tacy CalliesBreeding, CRDF

The Citrus Research and Development Foundation (CRDF) convened for its July board of directors meeting with several projects under consideration. The board approved funding of a work program for the plant improvement teams of the U.S. Department of Agriculture-Agricultural Research Service and the University of Florida Institute of Food and Agricultural Sciences. The project is funded for three years. It …

Riverside

CLas-Positive Psyllid Sample in Riverside County

Daniel CooperCalifornia Corner, Psyllids

An adult Asian citrus psyllid (ACP) sample from a residential property in the San Jacinto Valley area of Riverside County, California, has tested positive for Candidatus Liberibacter asiaticus (CLas), the bacterium that causes huanglongbing (HLB). The positive sample was collected as part of the Multi-Pest Risk Survey on a residential property in Hemet. It was confirmed positive for CLas on …

Orange Juice

No Shortage of Australian Orange Juice

Daniel CooperInternational, Orange Juice

Citrus Australia has assured Australian consumers they will continue to have consistent access to orange juice made from locally grown fruit. Adverse growing conditions and the spread of the huanglongbing (HLB) disease have reduced orange production in Brazil, Florida and several other key citrus-growing regions around the world. This has created a global shortage of orange juice concentrate, prompting media …

cold-hardy citrus

CITRUS NURSERY SOURCE: Strong Support for Cold-Hardy Citrus Growers

Daniel CooperCitrus Nursery Source, Cold Hardy

By Peter Chaires The citrus research program at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) North Florida Research and Education Center (NFREC) includes several projects aimed at assisting growers in the cold-hardy citrus region. Let’s take a look at what researchers are working on. EVALUATING SCIONS AND ROOTSTOCKS Presently, the citrus industry in North Florida faces …

june

All In For Citrus Podcast, July 2024

Daniel CooperAll In For Citrus Podcast

As citrus growers try to stabilize production in the midst of endemic HLB, maintaining the industry’s infrastructure is critically important. Two key sectors of that infrastructure are citrus nurseries and juice processors. In the July episode of the All In For Citrus podcast, Michael Rogers, director of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research …

Mississippi

Mexican Fruit Fly Quarantine Expanded in Texas

Daniel CooperPests, Regulation, Texas

On June 27, the U.S. Department of Agriculture Animal and Plant Health Inspection Service (APHIS) and the Texas Department of Agriculture (TDA) expanded a Mexican fruit fly (Anastrepha ludens; Mexfly) quarantine in Harlingen, Texas. The expansion of the quarantine is in response to the confirmed detection between May 26 and June 11 of three wild mated Mexflies from traps in …

foliar feed

Foliar Feed Your Trees

Daniel CooperNutrition

By Mongi Zekri Foliar fertilizer application is certainly not a new concept to the citrus industry. For over six decades, foliar fertilization has been recommended to correct zinc, manganese, boron, copper and magnesium deficiencies in citrus. It is now common knowledge in agriculture that properly nourished crops may tolerate insect pests and diseases. Traditionally, citrus growers try to achieve optimum …

Tau Fruit Fly

Tau Fruit Fly Quarantine Lifted in Los Angeles County

Daniel CooperCalifornia Corner, Pests, Regulation

The California Department of Food and Agriculture (CDFA) has officially declared an end to the Tau fruit fly quarantine in Los Angeles County following the successful eradication of the invasive pest. The quarantine, which was established in the Santa Clarita area of Los Angeles County, was the first-ever quarantine for the Tau fruit fly in the Western Hemisphere. It encompassed …

ReMedium TI®

ReMedium TI Receives Exemption From Two-Year Restriction on Applications

Daniel CooperHLB Management

ReMedium TI® has received a special local need label from the Florida Department of Agriculture and Consumers Services (FDACS). The label will remove the requirement that applications to treat citrus greening (HLB) cannot be made beyond two years in a row. For Florida citrus growers, this means those who have applied ReMedium TI® over the past two seasons now will …

international

International HLB Conference Focused on Grower Solutions

Daniel CooperEvents, HLB Management, Research

This spring, the seventh International Research Conference on Huanglongbing (IRCHLB) was held in Riverside, California. The inaugural event was held in 2008 and funded by a grant from the U.S. Department of Agriculture (USDA) National Institute of Food and Agriculture. USDA researcher Tim Gottwald and University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) professor Jim Graham founded the …