Impacts of Herbicides on Young Citrus Trees

Tacy Calliesweeds

By Ramdas Kanissery, Nirmal Timilsina and Mongi Zekri Weed control is crucial for the growth and establishment of young citrus trees. Chemical weed control with herbicides is an efficient and cost-effective method for managing weeds in newly planted groves. However, before applying herbicide products, care must be taken to avoid damaging young trees and newly planted resets. Every so often, …

barriers

Workshop Provides Black Spot Advice

Ernie NeffDiseases

Information to help growers find and control citrus black spot (CBS), as well as CBS regulatory procedures, were provided in an Oct. 26 training workshop in Arcadia. The workshop was hosted by multi-county citrus Extension agent Ajia Paolillo. University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) plant pathologist Megan Dewdney discussed the pest’s lifecycle, potential spread due to …

H-2A

Updates From the Citrus Health Response Program

Ernie NeffRegulation

Callie Walker, chief of the Florida Department of Agriculture and Consumer Services (FDACS) Bureau of Pest Eradication and Control, recently provided an update on the Citrus Health Response Program. Topics she addressed include trip tickets, personnel and the citrus inspection database. Walker recommended reiterating to harvesters about the importance of trip tickets being filled out completely and accurately. Those with …

SuperSour

Research on Rootstocks: More Than HLB

Ernie NeffRootstocks

Plant breeders Fred Gmitter and Jude Grosser report on their efforts to develop rootstocks that perform well in Florida from several perspectives. In addition to seeking tolerance to HLB, they are working on rootstocks that might control tree size, deal with other diseases and pests and perform in a range of soils. Gmitter and Grosser are University of Florida Institute …

red sea

Top Grower Concerns: Input Costs and Availability

Tacy CalliesAgriculture

Trade and labor used to top the concern list for Florida’s specialty crop growers. Not anymore. The biggest concerns now are input prices and availability, says Mike Joyner, Florida Fruit and Vegetable Association (FFVA) president. Joyner reports that in talking to growers in the field, he has heard of fertilizer costs doubling – if growers can even get it. “The …

Citrus Is Part of DeLuca Preserve Research

Ernie NeffResearch

Planting of new improved citrus scion/rootstock combinations to demonstrate sustainable and profitable citriculture is one of eight new research projects slated for the 27,000-acre DeLuca Preserve in Osceola County, Florida. The rootstocks and scions will come from the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center citrus breeding program. The eight projects are …

Rootstocks US-812, US-942 Hold Promise

Ernie NeffRootstocks

The rootstocks US-812 and US-942 seemed to offer promise in early economic performance evaluations that economist Ariel Singerman discussed at the 2021 Citrus Expo. Singerman is a University of Florida Institute of Food and Agricultural Sciences Extension economist at the Citrus Research and Education Center in Lake Alfred. Singerman analyzed yield and economic performance of rootstocks in commercial settings during …

California

Oak Leaf Extract Tested as HLB Tool

Ernie NeffHLB Management

In the search for solutions to HLB, a formulation based on oak leaf extract has been developed by citrus growers Travis Murphy and Tom Thayer, the Indian River Citrus League’s October River Ramblings newsletter reported. The formulation was developed following the growers’ observations that citrus trees under oak trees were free of HLB compared to nearby field trees that had …

Stay Aware of Citrus Leprosis Symptoms

Tacy CalliesDiseases, Tip of the Week

By Amit Levy Citrus leprosis is an exotic viral disease not currently present in Florida citrus, although the virus is present in non-citrus hosts. This disease was reported in citrus in Florida and Brazil in the early 1900s, where it caused great crop and tree losses, but was eliminated from Florida in the early 1960s. In recent years, the disease …

nutrition

Open Conversation, Hands-On Exhibits and Field Tours

Ernie NeffAll In For Citrus Podcast, Events

Citrus Research and Education Center (CREC) Director Michael Rogers previews the Nov. 16 Open House/Field Day at the CREC in Lake Alfred. The CREC is part of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). The program will begin at 9 a.m. “It starts off with a panel discussion, talking about strategies to improve overall health of …

Fertilization Methods: Pros and Cons

Ernie NeffNutrition

Brandon White with the University of Florida Institute of Food and Agricultural Sciences discussed the pros and cons of several types and methods of citrus fertilization at Citrus Nutrition Day on Oct. 26. The event was held at the Citrus Research and Education Center in Lake Alfred, Florida. White recently became the new commercial fruit crop agent for Florida’s Lake …

Update on OJ Marketing Efforts

Ernie NeffFlorida Department of Citrus

“From research to sales, there’s momentum and a feeling of energy in the air,” Florida Citrus Commission Chairman Steve Johnson wrote in a recent email to members of the Florida citrus industry. His update focused on Florida Department of Citrus (FDOC) orange juice (OJ) marketing efforts. The Florida Citrus Commission is the governing board of the Florida Department of Citrus. …

PIECES OF THE PAST: Michael Leaves His Mark

Tacy CalliesPieces of the Past

By Brenda Eubanks Burnette In 1917, A.B. Michael consolidated his citrus groves in Wabasso, Florida, with the Deerfield Groves Company of Cocoa, becoming vice president and general manager. This eventually led to his involvement in the American Fruit Growers, Inc., becoming one of the original stockholders and directors, and handling all Florida operations. Noted for his commitment to quality, he …

Sneak Peek: November 2021 Citrus Industry

Tacy CalliesSneak Peek

The low initial U.S. citrus crop forecast for the 2021–22 season points to the need to plant more trees to sustain the country’s citrus industry. The November issue of Citrus Industry magazine features articles that will help growers take care of their young trees. Two articles help answer the question of what to plant. First, University of Florida’s (UF) Ute …

Gator Bites: Competition for Clementines

Ernie NeffVarieties

Citrus Research and Education Center (CREC) Director Michael Rogers recently praised the Gator Bites mandarin variety that is being developed by the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). Gator Bites look like California clementines, branded as Cuties and Halos, but Rogers thinks Gator Bites is a better piece of fruit. “This makes the Cuties and Halos …

An Improved Method of Nutrient Analysis

Tacy CalliesNutrition, Technology, Tip of the Week

By Yiannis Ampatzidis and Ute Albrecht Optimizing nutrition is important for tree health and productivity and can improve tolerance to stresses and diseases. Good nutrient management requires regular field monitoring to identify problems and examine crop responses. Leaves need to be collected and sent to a specialized laboratory for detailed information on macronutrients and micronutrients, which is time-consuming and costly. …

CUPS Not for All Citrus Growers

Tacy CalliesCUPS

One of the unique ways of managing citrus greening disease developed by University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers is not for all producers. Citrus under protective screen (CUPS) is just too expensive for all growers to take advantage of, says Fred Gmitter, a UF/IFAS citrus breeder. “It’s an extremely expensive investment,” Gmitter says. “For that …

Consumers Prefer Citrus Juice Blended With Sugar Belle®

Tacy CalliesOrange Juice

By Yu Wang, Xixuan Tang, Charles Sims, Zhifeng Gao and Renee Goodrich Citrus fruit produced from HLB-affected trees are green and taste bitter. They are usually not suitable for either the fresh market or juice market because they have a lower Brix/acid ratio. Mitigation strategies can cause less fruit drop and help citrus trees survive. However, they triple production costs, …

South Korea

Grapefruit: Production Down, Imports Up

Ernie NeffGrapefruit

Florida led the United States in grapefruit production in the 2020-21 season. Sunshine State growers produced a combined 174,000 tons for the fresh and processed markets. California came in second with 156,000 tons, while Texas was third at 96,000 tons. This production information was recently reported by the U.S. Department of Agriculture’s Economic Research Service. Texas grapefruit production declined 46% …