nutrient

Citrus Nutrient Research Update

Daniel CooperNutrition, Tip of the Week

By Davie Kadyampakeni, Muhammad Shahid and Alisheikh Atta Current citrus nutrient guidelines are based on studies of healthy citrus trees conducted in the pre-huanglongbing (HLB) era. These guidelines may no longer be valid for the present situation where 100% of mature citrus trees in Florida are HLB-affected. Scientists at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) …

South African

Turkish Tangerine, Lemon and Grapefruit Update

Daniel CooperInternational

The U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) recently increased its 2023–24 production forecasts for Turkish tangerines, lemons and grapefruit. TANGERINES Overall tangerine production is forecast to increase 55% to 2.88 million metric tons (MMT) due to favorable spring rains and temperature conditions during blossoming in March 2023. Tangerines are the most produced citrus fruit in Türkiye, with …

postharvest

Ways to Cut Postharvest Waste

Daniel CooperInternational, Research

Citrus farming worldwidedelivers an annual 140 million tons of oranges, tangerines and other citrus fruits, but much of the postharvest crop is lost before it reaches the market. “Up to 30% of citrus fruit is lost to decay and disease following harvesting,” says food scientist Yang Shan, a member of the Chinese Academy of Engineering and head of the Dongting …

satsuma

Satsuma History Worldwide and in Georgia

Daniel CooperGeorgia, History, Mandarins

A recent University of Georgia (UGA) Extension publication summarized the centuries-old history of satsuma mandarins worldwide while focusing on the fruit’s modern popularity in Georgia. Excerpts follow from “Maximizing the Value of Georgia-Grown Satsumas Through Food Innovation,” authored by Emma Moore, Laurel Dunn and Kevin Mis Solval of the UGA Department of Food Science & Technology: Satsuma mandarins were first …

Georgia

Georgia Research Projects Underway

Daniel CooperGeorgia, Rootstocks

Jake Price, University of Georgia (UGA) county Extension coordinator, recently provided a summary of citrus projects he has been working on: Source: Georgia Citrus Association Sponsored ContentA Simpler, Safer and More Effective Way to Fight HLBOctober 25, 20245 Facts About Fire Ants and How to Control ThemApril 30, 2024BRAZILIAN RESEARCH RESULTS IN A UNIQUE PRODUCT FOR HLB MANAGEMENTApril 1, 2024

georgia

Big Yields Expected in Georgia

Daniel CooperGeorgia, Production

A December 2022 freeze in Georgia significantly reduced the state’s 2023 citrus production, but many growers anticipate a large crop in 2024. “With less fruit production in 2023, trees added a lot more vegetative growth and increased their canopy volume,” University of Georgia Extension citrus agent Jake Price noted. “The satsuma bloom at the research plot was very large and …

owari

In Georgia Owari Trial, Yields Peaked in 2021

Daniel CooperGeorgia, Research, Rootstocks

University of Georgia Extension agent Jake Price recently summarized yields for three recent seasons from Owari satsuma trees in a rootstock trial. Last year, 2023, was the last harvest year for data collection in the trial. Price reported that yield in the trial plot peaked in 2021 with a yield of about 20,300 pounds on 60 trees, which would be …

growing

Growing Citrus With Soil Health in Mind

Daniel CooperCover Crops, Georgia, Soil Health

Herb Young enjoyed a 40-year career in the agricultural chemical industry, starting as a technical service representative and eventually becoming a product manager. During those years, he worked on various specialty crops across the country. About 25 years of his career was spent in field research roles. So, experimentation with crops and growing practices comes naturally to Young. He has …

production

Turkish Tangerine Production to Soar

Daniel CooperCrop Forecast, International

Tangerine production in 2023–24 in Türkiye (previously known as Turkey) is forecast to increase 55% to 2.88 million metric tons (MMT), according to the U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS). The huge increase is due to favorable spring rains and temperature conditions during blossoming in March 2023. The yield in Türkiye’s Aegean region is expected to increase …

Postharvest Ethylene Applications for Color Change

Josh McGillGeorgia, Production

A citrus fruit’s color can provide the appearance that it is not ready to be harvested. But internally, it could be ready to eat. To help convince consumers of the citrus crop’s readiness, Angelos Deltsidis, University of Georgia assistant professor and postharvest Extension specialist, is researching the use of ethylene to artificially degreen citrus after harvest. “Naturally, citrus changes color …

control

USDA Funds Three Georgia Citrus Projects

Josh McGillGeorgia, Research

The U.S. Department of Agriculture Agricultural Marketing Service (USDA AMS) funded three citrus projects in Georgia for fiscal year 2023. SATSUMA EDUCATIONThe Georgia Department of Agriculture (GDA) received $103,225 for a satsuma education project. GDA will partner with local farmers and produce distributors to increase the availability of Georgia-grown satsuma mandarins in retail locations. The project will work closely with …

UGA Citrus Research Benefits From Freeze

Josh McGillCold Hardy, freeze, Varieties

Research in South Georgia cold-hardy citrus requires freezing temperatures for studies to be effective. When temperatures dropped below freezing for multiple days around Christmas last year, it allowed Jake Price, University of Georgia (UGA) Lowndes County Extension coordinator, to conduct extensive research into various citrus varieties and rootstocks. He discussed his research during a citrus meeting in early August. “We’ve …

Georgia Citrus Meeting Informs and Updates Growers

Josh McGillGeorgia

Meetings have become an integral part of the production process for Georgia citrus growers. The University of Georgia’s (UGA) most recent meeting allowed producers to hear from scientists about research pertaining to a growing industry in the region. Topics like changing weather patterns, rootstock research, HLB and the use of ethylene to degreen satsuma mandarins were presented during an Aug. …

Turkish Tangerines Rebound From Natural Disasters

Josh McGillCrop Forecast, International, Mandarins

Turkish production of mandarins/tangerines is forecast at 1.86 million metric tons (MMT) for 2022–23, up slightly from the previous season, the U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) reported. Prior season (2021–22) mandarin production was 1.81 MMT. Mandarins were less impacted than other Turkish citrus by freezing temperatures during blossoming in March 2022, USDA FAS stated. Also, the …

Fruit Quality Evaluations for Georgia Citrus Varieties

Josh McGillGeorgia, Varieties

Characteristics of 30 varieties and 45 variety/rootstock combinations were reported in Evaluating Fruit Quality of Citrus Varieties in Georgia, 2021-22. Jacob Price, county Extension coordinator for Lowndes County and Extension citrus specialist with University of Georgia (UGA) Extension, authored the report. Price noted that most groves in Georgia were planted after 2014. Initially, satsuma mandarins (Citrus unshiu) on trifoliate rootstocks …

Update on Georgia Citrus Acres

Josh McGillAcreage, Georgia

University of Georgia citrus Extension agent Jake Price recently estimated Georgia has reached a record-high of 570,760 citrus trees planted on 3,936 acres. Each year, Price estimates the number of citrus trees planted in Georgia. Calculating 2023 numbers has been a little different because of tree losses due to the December 2022 freeze. Of the 567 new acres of trees …

Peruvian Mandarin/Tangerine Production to Dip

Josh McGillCrop Forecast, International

The U.S. Department of Agriculture Foreign Agricultural Service (USDA FAS) recently forecast Peruvian mandarin/tangerine production in 2022–23 at 550,000 metric tons (MT), slightly lower than the previous year’s 570,000 MT. The decrease can be attributed to removal of low-yield trees, a delayed season, lower harvests of early-season varieties and a warmer than expected fall season. ACREAGEPeru’s mandarin/tangerine planted area is …

Members Appointed to Georgia Citrus Commission

Josh McGillGeorgia

Georgia’s newly established Agricultural Commodity Commission for Citrus Fruits, known as the Georgia Citrus Commission, has its five members that are tasked with steering the course of the state’s citrus industry. The Commodity Commission Ex Officio Committee appointed the following members to the Georgia Citrus Commission: Each commission member has a minimum of 5 acres of citrus trees. Members will …

Update on the Cold-Hardy Citrus Region

Josh McGillCold Hardy

By Danielle Sprague Williams In North Florida and South Georgia, there has been a significant growth in citrus production due to the relatively mild winters, advances in freeze protection and cold-hardy citrus varieties. In addition to this, there is a relatively low incidence of the citrus greening pathogen and its vector, the Asian citrus psyllid. Due to these factors, many …

Cold-Hardy Citrus Production and Challenges

Josh McGillCold Hardy

By Maegan Beatty Cold-hardy citrus is grown across a few thousand acres in more than 16 counties in North Florida and South Georgia. The satsuma mandarin is a cold-hardy species that has been grown throughout North Florida since the 1800s. The fruit is typically medium sized, a reddish orange color and can produce the highest quality in cooler winters and …