CRISPR Research Update for HLB and Canker

Josh McGill Breeding, Florida Citrus Commission, Research

Yianni Lagos, chief executive officer of Soilcea, told the Florida Citrus Commission (FCC) in October about his company’s efforts to use CRISPR gene editing to aid the citrus industry in its struggles with canker and HLB. Soilcea was founded to find solutions to these citrus diseases. The company has exclusive licenses to patents from the University of Florida to cure …

Making Sense of Pesticide Formulations

Josh McGill CEU

By Brandon White Editor’s note: This article grants one continuing education unit (CEU) in the Core category toward the renewal of a Florida Department of Agriculture and Consumer Services restricted-use pesticide license when the accompanying test is submitted and approved. Have you ever wondered what the numbers or letters following the trade name of your pesticide stand for or why …

Citrus Industry More Effective When Collaborative

Josh McGill California Corner, Events

By Danielle Leal The 2023 California Citrus Conference in Visalia proved collaboration is pivotal when tackling industry issues. The conference, hosted by California’s Citrus Research Board, had a lineup of industry leaders, researchers and others who updated growers on California’s citrus industry. Casey Creamer, president and chief executive officer of California Citrus Mutual, spoke on strengthening the connection between research …

How to Get Certified for Paraquat Dichloride Use

Josh McGill Pesticides, Regulation, Tip of the Week

By Ajia Paolillo and Lourdes Pérez Cordero If you use herbicides containing paraquat dichloride in your citrus groves, it is important that you are aware of the use certification requirements for this product. In 2016, certification and training for the use of this pesticide were put into place in accordance with the Environmental Protection Agency’s (EPA) risk mitigation requirements. Any …

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CRDF Board Acts on Research Recommendations

Josh McGill CRDF, Research

The Citrus Research and Development Foundation (CRDF) board of directors spent much of its monthly meeting in July considering recommendations from the foundation’s research management committee (RMC). TRACKING TREESThe RMC recommended that a request for proposals be put forth to create an inventory of all germplasm existing in field trials from the plant breeding programs CRDF has helped to fund. …

Grapefruit in Turkey: Production Up, Acreage Down

Josh McGill Crop Forecast, Grapefruit, International

Turkey is forecast to produce 249,000 metric tons (MT) of grapefruit in 2021–22, up 5% over the prior year, the U.S. Department of Agriculture’s Foreign Agricultural Service (USDA/FAS) reported. The increased production is due to better yields resulting from favorable weather conditions in the Mediterranean growing region, USDA/FAS stated in its semi-annual report on Turkish citrus. Improved yields have allowed …

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Turkey’s Lemon Production Climbs

Josh McGill Crop Forecast, International, lemons

Fresh lemon production in Turkey for 2021–22 was recently forecast at 1.33 million metric tons (MMT) in an update by the U.S. Department of Agriculture’s Foreign Agricultural Service (USDA/FAS). That’s an increase of about 22% over expected prior year production of 1.1 MMT. Growers are expanding the area of their lemon orchards in part because lemons are more profitable than …

Changes in Pesticide Residue Tolerances on Citrus Destined for Korea

Josh McGill Export, Pesticides, Tip of the Week

By Mark A. Ritenour The U.S. and other countries set maximum residue limits (MRLs) on fresh produce for various chemicals, including pesticides that might be used preharvest or postharvest. These materials must be labeled for use on the crop of interest and used only according to label instructions. While it is unlikely for U.S. MRLs to be exceeded when label …

Uncle Matt’s Organic Launches Low-Calorie OJ

Josh McGill Industry News Release, Orange Juice

Uncle Matt’s Organic recently announced the launch of its Matt50 orange juice beverage. Matt50 contains half the sugar and calories of regular orange juice and is boosted with Vitamin C, prebiotics, probiotics, calcium, potassium and folate. Susan McLean, Uncle Matt’s Organic vice president of marketing and innovation, said Matt50 contains just 50 calories per serving. It is sweetened with organic stevia, a …

Rotate Psyllid Products, Fundecitrus Urges

Josh McGill Brazil, HLB Management

Brazil’s Fundecitrus has launched the Insecticide Rotation Guide for Psyllid Control. Its aim is to help producers control the insect vector of citrus greening, highlighting the importance of proper rotation of products to avoid the selection of resistant psyllids. The resistance of insects and mites to pesticides can compromise the effectiveness of products and, consequently, the control of the pest …

How Weather Affects Pesticide Applications

Josh McGill CEU, Pesticides, Weather

By Matt Smith Editor’s note: This article grants one continuing education unit (CEU) in the Core category toward the renewal of a Florida Department of Agriculture and Consumer Services restricted-use pesticide license when the accompanying test is submitted and approved. Weather affects what pests you might be spraying for and the worker doing the spraying. There are environmental safety risks …

Growing Matters: IPM Essential for Pollinator Protection

Josh McGill Growing Matters, News from our Sponsor

Integrated Pest Management (IPM) principles and practices are a critical component of pollinator protection approaches in farming. The 2022 BeSure campaign from the Growing Matters Coalition reminds industry members that pollinators play a vital role in agriculture and need to be kept safe. Field Development Representative for Gowan, Dr. Shine Taylor said there are several ways that growers can keep …

Dealing With Diaprepes Root Weevils

Josh McGill Pests

By Ajia Paolillo Managing diaprepes root weevils in the grove is essential for root health and overall tree health. The most concerning root weevil for citrus growers is Diaprepes abbreviatus. Diaprepes larval feeding causes significant injury and damage to citrus root systems. LIFE CYCLE AND FEEDING Let’s begin with the life cycle stages of the diaprepes root weevils. Adults emerge …

Seeking Agricultural-Environmental Leadership Award Nominations

Josh McGill Awards, Environment, Florida

The Florida Department of Agriculture and Consumer Services (FDACS) has opened the nomination period for the 2022 Agricultural-Environmental Leadership Award. Nominations must be submitted to FDACS by April 15, 2022. Get the nomination form here. “Through work in soil and conservation, pesticide and nutrient management, wildlife habitat conservation, and so much more … significant environmental contributions are the backbone of …

Controlling Mites in CUPS

Josh McGill Citrus, Pests

Emilie Demard is working to control mites and other pests that damage fresh grapefruit growing as citrus under protective screens (CUPS) at the Indian River Research and Education Center in Fort Pierce.  “I look at biological control — in this case, predatory mites controlling pest mites to minimize the need for agrochemicals,” said Demard, a Ph.D. entomology graduate with the …

Ag Associations Seek to Block Chlorpyrifos Ban

Tacy Callies Citrus, Legal, Pesticides

Several agricultural associations filed suit in federal court Feb. 10 seeking to block the Environmental Protection Agency (EPA) from prohibiting the use of the pesticide chlorpyrifos on food crops beginning Feb. 28. The Georgia Fruit & Vegetable Growers Association is among those seeking the action. According to the American Soybean Association, which is one of those suing, the agricultural associations …

Increasing Pesticide Effectiveness With Adjuvants

Josh McGill CEU

By Ajia Paolillo Editor’s note: THIS ARTICLE IS NO LONGER AVAILABLE FOR CEU CREDIT. Pesticides are widely used in commercial agriculture to manage insects and other arthropods, diseases and weeds. Each application needs to be as effective as possible in managing the target pest. Many factors, such as environmental conditions, tank-mix incompatibility and solution pH, can cause a pesticide application …

Smart Technology Cuts Spray Costs

Josh McGill Pesticides, Technology

As they battle HLB, growers must control costs wherever possible, including by applying pesticides and fertilizer more efficiently. With that in mind, Yiannis Ampatzidis is engaging artificial intelligence (AI) to develop a low-cost, smart tree-crop sprayer that can automatically detect citrus trees, calculate their height and leaf density, and count fruit. That way, growers target their spray more efficiently, so …

An Update on Brazil’s Citrus Diseases

Ernie Neff Brazil, Diseases

An update on citrus diseases in Brazil was part of a recent U.S. Department of Agriculture Foreign Agricultural Service (FAS) report. GREENING INCREASINGAccording to the 2021 citrus greening survey conducted by Fundecitrus, 43.4 million trees, or 22.37%, of the trees in the commercial area of the state of São Paulo and the western part of Minas Gerais are affected by …

Orange Quality and Quantity in Turkey

Ernie Neff International

The fresh orange yield in Turkey for 2021-22 is forecast to increase 40% to 1.82 million metric tons (MMT) due to favorable rainy weather conditions, the U.S. Department of Agriculture’s Foreign Agricultural Service (FAS) reported. However, in recent months, producers have become concerned about drought conditions affecting the quality of the fruit. In 2020-21, Turkey produced 1.3 MMT of oranges. …