Drone Sprays for Psyllids Effective in Brazil

Josh McGillHLB Management, Psyllids, Technology

Using drones to apply chemical control for HLB-spreading psyllids in Brazil proved effective against adult insects, a Fundecitrus researcher reported. The researcher, Marcelo Miranda, said psyllid mortality was above 80% as a result of drone applications. Miranda’s work was pioneering in 2021. There was no record of the use of drones for the chemical control of the psyllid in western …

Citrus Root Weevil Intercepted

Josh McGillPests

U.S. Customs and Border Protection (CBP) agriculture specialists intercepted a species of citrus root weevil for the first time in Wilmington, Delaware, on May 22. They found the Cleistolophus viridimargo (Champion, 1911) weevil, a significant actionable pest, while inspecting a shipment of pineapples from Honduras. CBP said citrus root weevils pose a serious threat to the $3.4 billion U.S. citrus …

Know Your Purpose for Pruning

Josh McGillPruning

“Don’t prune if you do not know why you are pruning,” University of California Cooperative Extension’s Craig Kallsen cautioned in a June 6 webinar about pruning navel oranges. “It’s a lot of work and thus expensive.” “Generally, pruning of any kind reduces total fruit yield,” the citrus and pistachio farm advisor for Kern County stated. “The goal of pruning is …

HLB Researcher Honored

Josh McGillAwards, Brazil

Fundecitrus researcher Marcelo Pedreira de Miranda has received the Outstanding Citriculture Engineer-Agronomist Award from the 48th Expocitrus and 44th Citriculture Week. The Brazilian entomologist, whose main studies are related to HLB, has worked at Fundecitrus since 2008. The award ceremony where Miranda was honored was part of the opening afternoon of the exhibition week and was attended by authorities and …

Chilean Orange Production to Climb

Josh McGillCrop Forecast, International

Orange production in Chile will increase by 6.1% and total 174,000 metric tons (MT) in 2022–23, the U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) estimated recently. Yields are up due to increased rainfall and no damage from frost. ACREAGEIn 2022–23, orange area planted in Chile totaled 6,362 hectares, unchanged from 2021–22. The total orange area planted has remained …

destination dupes

Keeping Florida OJ at Top of Consumers’ Minds

Josh McGillFlorida Department of Citrus, Marketing, Orange Juice

The Florida Department of Citrus (FDOC) 2023–24 global marketing plan for orange juice (OJ) focuses on continuing awareness and sales-driving activities to keep Florida OJ at the top of consumers’ minds. Karmen Johnson of FDOC marketing agency Edible told the Florida Citrus Commission (FCC) that the plan will continue to focus on primary shoppers and light and lapsed OJ buyers. …

study

Psyllids Resistant to Insecticides in Brazil

Josh McGillBrazil, HLB Management

Psyllids collected in orchards in four microregions of Brazil’s citrus belt showed reduced susceptibility to insecticides from the pyrethroid and neonicotinoid chemical groups. That information was reported earlier this year by agronomist and researcher Fernando Amaral of the Arthropod Resistance Laboratory at the Luiz de Queiroz College of Agriculture/University of São Paulo (ESALQ/USP). This was the first confirmation of psyllid …

Safeguarding Citrus From Heat Stress

Josh McGillTip of the Week, Weather

By Amir Rezazadeh Rising temperatures and climate change challenges of recent years have brought a significant threat to citrus trees. Heat stress, caused by prolonged exposure to high temperatures, poses a severe risk to citrus trees. Excessive soil evaporation, inconsistent rainfall and poor soil water-holding capacity can make trees even more sensitive to heat. High temperatures result in shortened internodes, …

South Africa Citrus Estimate Higher Than Last Year

Josh McGillCrop Forecast, International

The latest estimate for the South Africa citrus crop in 2023 is 165.6 million cartons. This is 800,000 more cartons than last year, The Vanguard International Group recently reported. Vanguard stated that two commodities — lemons and mandarins — have emerged over the past few years. Lemons have witnessed a significant surge in plantings. There are approximately 8,000 hectares of …

Three New Citrus Varieties Released in Brazil

Josh McGillBrazil, Varieties

Three new citrus varieties were recently released in Brazil. They are the orange Navelina XR, the early sweet orange BRS IAC FCC Alvorada and the Tahiti lemon Ponta Firme. All are the result of a research partnership among Embrapa, the Coopercitrus Credicitrus Foundation and the Sylvio Moreira Citriculture Center, linked to the Agronomic Institute. NAVELINA XRDeveloped for fresh consumption, Navelina …

assistance

New Dignity Act Aims to Reform Immigration and H-2A

Josh McGillLabor, Legislative

Bipartisan members of Congress led by Representatives María Elvira Salazar of Florida and Veronica Escobar of Texas on May 23 introduced an updated version of the Dignity Act (H.R. 3599). The act would reform immigration laws and streamline the H-2A program for temporary foreign workers.  The bill would aim to stop illegal immigration, provide a dignified solution for undocumented immigrants living in America and strengthen …

Sustaining Citrus With Soil Improvement

Josh McGillCover Crops, HLB Management, Soil Health

By Frank Giles HLB has taken a toll on growers both large and small over the years. That’s been the case with third-generation grower Chuck Bellamy, who grows citrus near Inverness, Florida. His grandparents planted the first trees on the property in 1930. A few of those trees are still alive in the grove nearly 100 years later. Bellamy says …

Sting Nematode Problematic for Young Trees

Josh McGillPests

The sting nematode is the most serious nematode problem in young citrus groves, nematologist Larry Duncan reported at the Florida Citrus Growers’ Institute in April. According to Duncan, long before HLB, the sting nematode was widely encountered in groves on Florida’s Central Ridge and in Polk County. The University of Florida Institute of Food and Agricultural Sciences professor said tree …

Colorado State University Updates Hurricane Forecast

Josh McGillhurricane, Weather

Colorado State University (CSU) hurricane researchers on June 1 increased their Atlantic hurricane forecast. They are now predicting a near-average 2023 Atlantic hurricane season. The CSU Tropical Meteorology Project team is predicting 15 named storms during the Atlantic hurricane season. That’s 14 anticipated storms in addition to a subtropical storm that the National Hurricane Center says formed in January. Of …

Brite Leaf Citrus Nursery Awarded

Josh McGillAwards, nurseries

The 2023 winners of Florida’s Agricultural-Environmental Leadership Award are Brite Leaf Citrus Nursery, Rocking K Cattle and Island Grove Wine Company. The winners were announced May 30 by Florida Commissioner of Agriculture Wilton Simpson. Agricultural-Environmental Leadership Awards have been presented annually since 1994 and spotlight environmentally innovative growers and ranchers who share a commitment to protecting and preserving Florida’s resources …

Millennium Block and MAC Project Updates

Josh McGillResearch, Rootstocks, Varieties

Hurricanes Ian and Nicole in 2022 caused early fruit drop in the Indian River area, where two studies of 39,000 trees that might tolerate HLB are being conducted. Researchers now expect significant data from the studies will come after the 2023, 2024 and 2025 season harvests, but they have already gained some insights from the projects.  The first experimental grove, …

Nominate a Worthy Woman in Florida Agriculture

Josh McGillAwards

Nominations for the Woman of the Year in Agriculture Award, sponsored by the Florida Department of Agriculture and Consumer Services (FDACS) in conjunction with the Florida State Fair Authority, are now being accepted. All nominations must be submitted by Aug. 1. The award annually recognizes the achievements of women who have made outstanding contributions to Florida agriculture. “The Woman of …

Assistance for 2022 Natural Disasters Announced

Josh McGillfinancial, hurricane

U.S. Agriculture Secretary Tom Vilsack recently announced two programs that collectively provide $3.7 billion in assistance to crop and livestock producers who sustained losses due to natural disasters like Hurricanes Ian and Nicole in 2022. They are the Emergency Relief Program (ERP) and Emergency Livestock Relief Program. To participate in the programs, producers should have or be prepared to have the …

NOAA Predicts Near-Normal Hurricane Season

Josh McGillhurricane, Weather

National Oceanic & Atmospheric Administration (NOAA) forecasters with the Climate Prediction Center, a division of the National Weather Service, predict near-normal hurricane activity this year. NOAA’s outlook for the 2023 Atlantic hurricane season, which lasts from June 1 to Nov. 30, predicts a 40% chance of a near-normal season, a 30% chance of an above-normal season and a 30% chance …

Antibiotics, HLB and Psyllids

Josh McGillHLB Management, Pests

Entomologist Kirsten Pelz-Stelinski recently shared findings from trials on the use of foliar-applied and trunk-injected antibiotics for controlling HLB and the Asian citrus psyllids (ACP) that spread the disease. Pelz-Stelinski is associate center director at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center (CREC) in Lake Alfred.  In a May 17 presentation …