Summer Tree Care Practices to Improve Fruit Quality and Yield

Tacy CalliesCitrus, Production

By Fernando Alferez and Tripti Vashisth As summer approaches and citrus trees bear developing fruit, growers can engage in several practices to improve fruit quality and yield. As temperatures rise and daylength increases, conditions are conducive for enhanced photosynthesis and accumulation of soluble sugars in the fruit. It is important to note that, in general, the temperature is negatively correlated …

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Battling the Bacteria Inside Psyllids

Tacy CalliesPsyllids

Kirsten Pelz-Stelinski, University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) associate professor, recently discussed her research on bacteria associated with Asian citrus psyllids. This includes endosymbiotic bacteria that live inside of psyllids as well as the liberibacter that causes citrus greening disease. Her research is looking at how these microorganisms can be targeted inside the psyllid to reduce …

Soil Organic Matter Helps Fight HLB

Tacy CalliesSoil Improvement

By Sean Stokes, Thomas Borch and Pankaj Trivedi The benefits of soil organic matter (SOM) in agriculture have been well documented and include both improved water and nutrient retention. SOM is also essential for a properly functioning rhizosphere microbiome. However, the natural level of SOM in the sandy, acidic soil of Florida’s citrus grove regions is often around 1 percent, …

Intercropping in Nigerian Citrus Production

Tacy CalliesIntercropping

By Bernard Okafor Citrus is a commonly cultivated tree crop in Nigeria. It is in high demand because of its nutritional, economic and industrial values. Citrus cultivation in Nigeria is mainly under rainfed conditions in rainforest/derived guinea savanna zones of the country with the Sahel and Sudan savanna being drier parts and not very favorable for citrus production except under …

Consumer Response to OJ During COVID-19

Tacy CalliesCOVID-19, Orange Juice

Yan Heng, Marisa Zansler and Lisa House have authored a new study on consumer response to orange juice (OJ) during the COVID-19 outbreak. Heng is a research assistant scientist and House is a professor, both with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Food and Resource Economics Department. Zansler is the director of the Economic and …

New Opportunity for Citrus Growers to Earn CEUs Online

Tacy CalliesCEU

When the annual 2020 Florida Citrus Growers’ Institute was canceled due to the stay-at-home guidelines recommended by the state, growers were shut out of learning the latest research updates from University of Florida citrus scientists. In addition, they were denied access to earning valuable continuing education units (CEUs) needed to renew pesticide licenses. University of Florida/Institute of Food and Agricultural …

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June Citrus Forecast Sees Florida Oranges Fall

Tacy CalliesCrop Forecast

The U.S. Department of Agriculture released an update to the 2019–20 citrus crop forecast on June 11. ORANGESThe Florida all-orange forecast is 67.65 million boxes, down from May’s 69.65 million boxes. The forecast for Florida non-Valencia orange production remains at 29.65 million boxes. Florida Valencia oranges fell 5 percent to 38 million boxes. The California all-orange forecast is 48.5 million …

Fruit Drop of Citrus in Summer Months

Tacy CalliesProduction, Research

By Tripti Vashisth, Megan Dewdney and Lauren Diepenbrock This article summarizes what is known about summer fruit drop in healthy citrus trees and those with huanglongbing (HLB). Also discussed is how HLB can affect early fruit development and exacerbate fruit drop. Additionally, strategies to reduce summer fruit drop are included. Citrus flowers profusely, but less than 2 percent of the …

citrus

UF/IFAS Remains Resilient Amid COVID-19 Challenges

Tacy CalliesAgriculture

The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) hosted a virtual statewide discussion for stakeholders on June 8 to provide an update on its initiatives. The emphasis was on efforts and issues related to the COVID-19 pandemic. During the webinar, Nick Place, UF/IFAS Extension dean and director, highlighted Extension’s efforts to address the COVID-19 challenges. “This has …

Antibiotics Used in Citrus

Tacy CalliesBactericides

A new University of Florida Institute of Food and Agricultural Sciences Extension document, Antibiotics in Crop Production, was published in May by Leigh Archer, Ute Albrecht and Pamela Roberts. The authors found that the use of antibiotics has resulted in the successful control of bacterial diseases in some crops but not in others. The publication includes research information on antibiotics …

More Mexican Fruit Flies Found in Texas Citrus

Tacy CalliesPests

The Animal and Plant Health Inspection Service (APHIS) and the Texas Department of Agriculture (TDA) established a Mexican fruit fly (Anastrepha ludens or Mexfly) quarantine in a residential area in Zapata, Texas. APHIS is applying safeguarding measures and restrictions on the interstate movement or entry into foreign trade of regulated articles from this area. APHIS confirmed one Mexfly larva from …

Technology Helps Growers Count Citrus Trees

Tacy CalliesTechnology

In his quest to find the right drone and other artificial intelligence to help ensure citrus growers get an accurate count of their crop, Yiannis Ampatzidis and his research team have developed a system known as Agroview. The technology saves farmers time and money and helps them accurately count their trees, which is important for insurance purposes. The latest results …

UF/IFAS Extension Agents Team Up to Better Serve Citrus Growers

Tacy Calliesextension, Industry News Release

Florida’s citrus growers have long benefited from productive relationships with University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Extension commercial citrus agents. And it’s about to get better. Citrus agents operating in Hillsborough, Polk, Highlands, DeSoto, Hardee and Manatee counties are launching a new newsletter. They hope to use the platform to streamline important communications with growers, share …

Malcolm Manners: Model Professor, Admired Mentor

Tacy CalliesCitrus

In college, Malcolm Manners saw his share of “really good” and “really bad” professors. When he decided to become a professor himself, he tried to use the best ones as his pattern. “They could catch a student’s interest and educate rather than preach,” he recalls. Manners just began his 40th year as an educator at Florida Southern College (FSC) in …

Grower Cuts Costs and Gains Customer Loyalty

Tacy CalliesFresh, fruit

By Sarah Bostick Grocery stores have trained the customer to expect exactly one type of fruit: spotless. Anyone who grows citrus for a living knows that achieving spotless fruit can be an expensive and time-consuming endeavor. There is a growing movement in the United States that is pushing back against the idea that fruits and vegetables must be spotless to …

Lessons Learned From Rootstock Field Trials

Tacy CalliesResearch, Rootstocks

By Bill Castle “The notion that field trial data are of little value in the early years and trials must run for 15 years is outdated.”  [Lesson 7] “Our new website provides the grower community with user-friendly access to our collective decades of rootstock trial data…” [Lesson 9] Those are two of many lessons shared in a recent article authored …

orange juice

COVID-19 Impact on Orange Juice

Tacy CalliesOrange Juice

The COVID-19 pandemic has significantly altered consumer behaviors, especially in relation to food and beverage consumption. Bennett Travers, senior communications planner at Edelman, Florida Department of Citrus (FDOC) marketing agency partner, recently hosted a webinar on shifts in consumer behavior and the implications for 100 percent orange juice (OJ) now and in the future. A RETURN TO OJAmidst uncertainty, the …

Florida Citrus Season Soured by Imports

Tacy CalliesExport/Import, sales

A small grower shares his thoughts on the current market situation. By Chip Henry The functionality and integrity of the cash (spot) market for Florida oranges this season has been undermined by the untimely and excessive supplanting of imported juice into Florida processing plant inventories. The resulting price crash has cast a pall on growers selling their fruit on the …

Research Pushes Forward in COVID-19 Era

Tacy CalliesCOVID-19, Research

As Florida moved to “safer at home” measures, not all University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) research projects could be put on pause. There are living plants, animals and insects to feed and maintain. Some projects have regular monitoring procedures for which postponement could have broader environmental consequences. “We are very proud of our faculty, staff …

California Citrus and Chinese Tariff Exemptions

Tacy CalliesCalifornia Corner, Trade

The latest development in the Chinese market came as welcome news for the California citrus industry, as China moved to implement tariff exemptions. California Citrus Mutual President Casey Creamer explained that the tariff reduction is coming at an important time for the industry. “It’s probably the break we’ve been looking for when it comes to citrus movement to China,” Creamer …