fruit fly

Fruit Fly Pests of Florida Citrus

Ashley RobinsonPests

Exotic fruit flies are considered some of the most serious of the world’s agricultural pests due to their potential economic harm and threat to the food supply. They have a wide host range of fruit, vegetables and nuts. Most of Florida’s crops fall within the host range, including the fragile citrus industry. For this reason, it’s imperative to act quickly …

Value of Florida’s Citrus Industry Is Up

Ernie NeffEconomics

Despite a decrease in citrus production, the Florida citrus industry contributed more value to the state of Florida in 2019-20 than the previous season. According to a study conducted by the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS), the industry had an economic impact of $6.762 billion to the state and supported more than 33,300 jobs. The …

Citrus Australia Focuses on Biosecurity

Ernie NeffInternational

Citrus Australia recently applauded the federal government’s additional investment in national biosecurity and stated that it will seek an opportunity for additional dialogue on enhancing plant biosecurity. The government announced $400 million in funding to enhance biosecurity over a four-year period. According to Citrus Australia, citrus exports alone are worth $500 million to the national economy annually. A pest incursion …

Sneak Peek: June 2021 Citrus Industry

Tacy CalliesSneak Peek

There is no arguing that citrus greening has been the biggest change to the industry in the past 16 years. The disease is causing growers to do things differently. Researchers are helping growers adapt to change and find new solutions. Some of this research can be found in the June issue of Citrus Industry. FRUIT DROPOne of the problems exacerbated …

Monitoring Citrus Root Weevils

Tacy CalliesPests, Tip of the Week

By Larry Duncan Soilborne larvae that feed on citrus roots are the damaging life stage of Diaprepes abbreviatus and Pachnaeus spp. (bluegreen) root weevils. Newly developed adult weevils, which emerge throughout the warm months of the year, also occur in soil.  A peak emergence of adults occurs at some point each spring or early summer. Less frequently, a smaller emergence …

Florida Citrus Grower Discusses Issues

Ashley RobinsonCover Crops, Herbicides

Florida and California specialty crop growers recently gathered for a virtual discussion presented by J.L. Farmakis, Inc. to talk about issues unique to their crops and regions. Citrus grower Lee Jones with Cross Covered Caretaking represented the Sunshine State. He shared some of the struggles and successes of growing citrus in Florida. Jones says one of the biggest challenges he …

Keep Citrus Trees Hydrated

Tacy CalliesIrrigation, Tip of the Week

Frequent irrigation with good quality water can improve fruit growth and development and overall productivity. By Tripti Vashisth HLB-affected citrus trees have small and weak root systems. Though the roots are efficient in taking up water and nutrients, there are not sufficient roots to support the tree’s canopy requirement. Therefore, the trees often experience water and nutrient deficit. Not all …

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 …

Florida’s Aldicarb Decision Challenged

Tacy CalliesPesticides

Amid arguments about the troubled citrus industry and the health of farmworkers, a chemical company is challenging a state decision to block aldicarb, a pesticide that could help fight citrus greening disease. AgLogic Chemical, LLC filed an administrative challenge on May 11, about three weeks after the Florida Department of Agriculture and Consumer Services (FDACS) denied an application to use …

Citrus Acreage Increasing in North Florida, South Georgia

Tacy CalliesAcreage

Interest in citrus continues to spike in North Florida and South Georgia. Georgia acreage has doubled over the past year. North Florida acreage has increased by another 300 to 400 this spring, says grower Kim Jones. He owns a citrus packing facility in Monticello, Florida, and is president of the Cold Hardy Citrus Association. “We’re seeing a whole lot of …

How Artificial Intelligence Can Enhance the Citrus Industry

Tacy CalliesTechnology

By Yiannis Ampatzidis Artificial intelligence (AI) is a promising area in computer science, automation, robotics and agriculture. AI describes the capability of a machine to imitate intelligent human behavior and mimic cognitive functions such as learning and problem-solving. Machine learning, which is an application of AI, is based on the idea that a machine, such as a computer or microcontroller, …

stuart scholarship

Scholarships From California Citrus Mutual

Tacy CalliesCalifornia Corner, Scholarship

California Citrus Mutual (CCM) is offering agricultural scholarships to high school and college students looking to pursue careers in the industry. Over the last 25 years, the CCM Scholarship Foundation has awarded a total of $80,000 to 59 students. Casey Creamer, CCM president and CEO, said that supporting the next generation of agriculturalists is crucial for overall industry longevity. Having …

How Soil Health Changes Impact Citrus

Ernie Neffsoil

A team of University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers is investigating how changes in soil health impact citrus and other subtropical tree crops. Specifically, they will examine how quickly soil health can change in Florida and how specific changes might impact yield. The U.S. Department of Agriculture National Institute of Food and Agriculture is funding …

Asian Citrus Psyllid Anatomical Discoveries

Ernie NeffPsyllids

Scientists from the University of Granada (UGR) have made the first anatomical atlas of the Asian citrus psyllid (ACP), which spreads HLB. The research group, led by Professor Susan J. Brown from Kansas State University, conducted a multidisciplinary project to study the psyllid, the bacteria it transmits, its effects and means of control. The U.S. research team approached Javier Alba-Tercedor …

Georgia Citrus Industry Ripening

Tacy CalliesGeorgia

One Georgia grower sees citrus as an emerging industry in Georgia with huge potential. Justin Corbett even compares it to another popular crop that’s dominated the state’s fruit landscape. “I think it has the potential to be a big industry. I compare it to blueberries 10 or 15 years ago. I just hope we don’t follow the same path they …

Citrus Leafminer Sampling Techniques

Tacy CalliesPests, Tip of the Week

By Xavier Martini Citrus leafminer (CLM) is a recurring pest in citrus groves that lays eggs on new growth shoots (flush). After hatching, larvae penetrate directly into the leaf and begin feeding on sap and leaving a serpentine mine in the leaf. CLM population dynamics are mostly driven by flushing pattern, with two flight peaks in early spring and late …

Herbicide Adjuvants in Citrus Weed Control

Tacy Calliesweeds

By Ramdas Kanissery Adjuvants (derived from Latin, adiuvare: to aid or help) are materials added into an herbicide spray solution that improve handling, performance and crop safety. To be effective, an herbicide must overcome certain environmental and biological obstacles before entering and acting in the weeds. For example, environmental conditions like hot and dry weather will result in a thicker …

Aldicarb Registration Denied for Florida Citrus

Tacy CalliesIndustry News Release, Pesticides

The Florida Department of Agriculture and Consumer Services (FDACS) denied AgLogic Chemical LLC’s state pesticide registration application for the pesticide aldicarb on citrus crops in the state of Florida. Aldicarb is an N-methyl carbamate insecticide primarily used as a nematicide. Responsible for the worst known outbreak of pesticide poisoning in North America, aldicarb is one of 28 active pesticide ingredients …

supreme court

Australia Declared Free of Citrus Canker

Ernie NeffDiseases, International

On April 12, Australia was officially declared free from citrus canker after the remaining restricted areas in the Northern Territory (NT) were lifted. The disease was not detected in commercial orchards in Australia and was restricted to non-commercial residences in Western Australia (WA) and NT. Minister for Agriculture, Drought and Emergency Management David Littleproud acknowledged NT and WA for their …