fertilization

PIECES OF THE PAST: Reflections on Fertilization

Daniel CooperNutrition, Pieces of the Past

By Brenda Eubanks Burnette In his book, “The Cultivation of Citrus Fruits,” first published in 1926 by The MacMillan Company, H. Harold Hume covers a variety of topics, including the use of fertilizers and the different needs of young trees versus bearing trees. Following are insightful excerpts: “Young adult trees differ in their fertilizer requirements. Young trees use their food …

lemon/lime

World Lemon/Lime Production

Daniel CooperCrop Forecast, International, lemons, Limes

Global lemon/lime production in 2023–24 is forecast up 225,000 tons from the prior year to 10 million tons, the U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) reported. Higher production in the European Union, South Africa and Turkey more than offsets lower production in Mexico and the United States. Here are the regional lemon/lime forecasts for 2023–24: Turkey production …

grapefruit

Global Grapefruit Production to Rise

Daniel CooperCrop Forecast, International

Global grapefruit production in 2023–24 is estimated up slightly from the prior year to 6.9 million tons, the U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) reported. A slight increase in China more than offset lower production in South Africa. World exports of grapefruit are projected to increase while fruit for processing is forecast to be lower. Here are …

Oriental fruit fly

Oriental Fruit Fly Quarantine Conditions Modified

Daniel CooperCalifornia Corner, Pests, Regulation

Conditions for the movement of fresh citrus fruit from the Redlands Oriental fruit fly (OFF) quarantine area of San Bernardino and Riverside counties in California have been temporarily modified for the duration of the 2024 harvest season. The U.S. Department of Agriculture Animal and Plant Health Inspection Service (USDA APHIS) announced the modification on Feb. 5. Due to the imminent …

South African

South African Orange and OJ Production

Daniel CooperCrop Forecast, International

South African orange and orange juice (OJ) production are both forecast to decline slightly in 2023–24 compared to the prior season, according to the U.S. Department of Agriculture’s Foreign Agricultural Service (USDA FAS). FRESH ORANGES Orange production in South Africa is forecast at 1.62 million metric tons (MMT). That’s a decrease of 1% from the prior season based on a …

tangerines/mandarins

Greater Worldwide Production of Tangerines/Mandarins

Daniel CooperCrop Forecast, International, Mandarins

Global production of tangerines/mandarins for 2023–24 is forecast to rise 3% over the prior year to 38 million tons, the U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) reported. The increase is mainly due to favorable weather in China and Turkey. Here’s the region-by-region forecast for tangerines/mandarins: China production is forecast 400,000 tons higher to 26.9 million tons due …

oxytetracycline

Tips for Trunk Injection of Oxytetracycline

Daniel CooperHLB Management, Tip of the Week

By Ute Albrecht and Ozgur Batuman Follow these important tips for proper trunk injection of oxytetracycline as a citrus therapeutic. APPLICATION TIMING INJECTION TECHNIQUE ADDITIONAL ADVICE Ute Albrecht (ualbrecht@ufl.edu) and Ozgur Batuman (obatuman@ufl.edu) are associate professors at the University of Florida Institute of Food and Agricultural Sciences Southwest Florida Research and Education Center in Immokalee. Sponsored ContentTake Advantage of Rising …

global

Global Orange and OJ Production to Increase

Daniel CooperCrop Forecast, International

Global orange and orange juice production are both forecast to increase slightly in 2023–24 from the previous year, according to the U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS). ORANGES Global orange production for 2023–24 is forecast up slightly to 48.8 million tons compared to the prior year. Here’s the country-by-country forecast from USDA FAS: U.S. production is forecast …

South African

South African Grapefruit Production

Daniel CooperCrop Forecast, Grapefruit, International

Grapefruit is an unpopular citrus fruit in the South African domestic market, the U.S. Department of Agriculture’s Foreign Agricultural Service (USDA FAS) reported recently. Consequently, only 5,000 metric tons (MT) of an expected 400,000 MT grapefruit crop in 2023–24 is forecast to be consumed in the country. The majority of South Africa’s grapefruit is expected to be exported. The production …

Moroccan

Morocco’s Citrus Crops to Rise

Daniel CooperCrop Forecast, International

Morocco’s tangerine/mandarin and lemon/lime production are both forecast to climb in 2023–24 compared to the prior season, according to a U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) report. TANGERINES AND MANDARINS Production in 2023–24 is forecast to reach 950,000 metric tons (MT), up 3% from the previous season. The increase is largely due to intensified irrigation efforts aimed …

Scouting Tools and Tactics

Tacy CalliesCEU

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. This article is an updated version of a previous article, “Scouting: The Tip of the IPM Spear,” published in the …

juice production

Brazil’s Orange Crop and Juice Production

Daniel CooperBrazil, Crop Forecast

According to the U.S. Department of Agriculture’s Foreign Agricultural Service (USDA FAS), Brazilian orange and orange juice production are both forecast to decline in 2023–24 compared to the prior year. ORANGE CROP The total Brazilian 2023–24 orange crop is forecast at 408 million 40.8-kilogram boxes, equivalent to 16.5 million metric tons (MMT). This is a decrease of 1.03% from the …

South African Lemon/Lime Production to Jump

Tacy CalliesCrop Forecast, International, lemons

South African lemon and lime production in 2023–24 will increase by 10% compared to the prior year, to 720,000 metric tons (MT), the U.S. Department of Agriculture’s Foreign Agricultural Service (USDA FAS) forecast. ACREAGE The area planted with lemons/limes in South Africa has more than doubled over the past seven years, driven by global demand and rising global prices. However, …

PIECES OF THE PAST: Celebrating a Special Centennial

Tacy CalliesMiss Florida Citrus, Pieces of the Past

By Brenda Eubanks Burnette One hundred years ago, in February of 1924, a young woman named Dorothy Williamson was chosen as Florida’s first Citrus Queen. Since that time, numerous young women have vied for the title and have promoted the Florida citrus industry throughout the world. To celebrate the centennial, the Florida Citrus Hall of Fame has interviewed many of …

Updates on FDOC Research Projects

Tacy CalliesFlorida Citrus Commission, Florida Department of Citrus, Research

Florida Citrus Commission (FCC) members on Jan. 17 heard an update on one recent Florida Department of Citrus (FDOC) scientific research project and learned about some future research plans. Rosa Walsh, FDOC director of scientific research, presented the information. PROGRAM FOR EXPEDITED PROPAGATIONWalsh reported that the 2022–23 Program for Expedited Propagation of HLB Tolerant and Resistant Trees was successful. She …

waxing

Waxing the Right Way

Daniel CooperFresh

An article about citrus waxing was recently published by Citrus Australia. The article, written by John Golding, a research horticulturist with the New South Wales Department of Primary Industries, is summarized here. Waxing citrus can help maintain quality and enhance the fruit’s appearance. However, using the wrong type of wax or applying an excessively thick layer can overly restrict gas …

Record Lemon Production in Spain

Tacy CalliesCrop Forecast, International, lemons

European Union (EU) lemon production is forecast at just over 1.6 million metric tons (MT) in 2023–24, up from the 1.5 million MT in 2022–23, the U.S. Department of Agriculture’s Foreign Agricultural Service (USDA FAS) recently reported. The increase can be entirely attributed to an all-time-record production level in Spain, following the historically low lemon production there in 2022–23. Conversely, …

Louisiana HLB Quarantine Area Expanded

Tacy CalliesDiseases, Louisiana, Regulation

Federal agriculture officials, in cooperation with Louisiana agriculture officials, have established a federal quarantine area for huanglongbing (HLB; citrus greening), caused by Candidatus Liberibacter asiaticus, in all of Saint Charles Parish in Louisiana. The U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (USDA APHIS) took the action in cooperation with the Louisiana Department of Agriculture and Forestry (LDAF). …

ReMedium TI®

Starting in the Grove to Find New HLB Therapies

Tacy CalliesHLB Management, Research

By Randall P. Niedz, Guilherme Locatelli, Nick Larson, Lorenzo Rossi, Ellen Cochrane and Michelle Heck Scientists at the U.S. Department of Agriculture-Agricultural Research Service (USDA-ARS) developed an idea to bypass lab assays and test molecules directly in the field for their ability to solve HLB. As part of a USDA National Institute of Food and Agriculture (NIFA) grant (number 2020-70029-33176), …