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 …

Trunk Injection Considerations

Ernie NeffCEU, Research

A presentation titled “Trunk Injection: Difficulties and Considerations” is one of the first from the cancelled 2020 Florida Citrus Growers’ Institute to become available online. The annual event was cancelled because of COVID-19. The University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) is working to make additional presentations that were intended for the Florida Citrus Growers’ Institute available …

Smartphone App Under Development for Diagnosing Citrus Leaf Symptoms

Tacy CalliesTechnology

By Arnold Schumann, Perseverança Mungofa, Laura Waldo and Chris Oswalt Since the first Apple iPhone was launched in 2007, there have been many improvements to smartphone cameras and their increasingly powerful graphics-processing capabilities. In recent years, these powerful hand-held computers have also made their impact on agriculture, where they are being used for communications, mapping, navigation, information retrieval and diagnostic …

New Details on Coronavirus Assistance to Growers

Tacy CalliesCOVID-19

U.S. Secretary of Agriculture Sonny Perdue announced new details on May 19 regarding the Coronavirus Food Assistance Program (CFAP). It will provide up to $16 billion in direct payments to deliver relief to America’s farmers and ranchers impacted by the coronavirus pandemic. CFAP provides vital financial assistance to producers of agricultural commodities who have suffered a five-percent-or-greater price decline due …

Video in Spanish on HLB Best Practices

Len WilcoxCalifornia Corner, HLB Management

The California Department of Food and Agriculture (CDFA), through its Citrus Pest & Disease Prevention Program, has developed a mobile-friendly, Spanish-language training video. It’s for use by field crew supervisors and farm labor contractors prior to harvest. The new tool trains industry managers and workers, including field crews, with best practices to prevent the spread of the Asian citrus psyllid …

UF/IFAS Welcomes New Entomologist

Tacy CalliesCitrus, Industry News Release, IPM

In mid-April, Tolulope Morawo began a new position as an assistant professor of entomology at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Indian River Research and Education Center (IRREC) in Fort Pierce. He joins UF’s statewide effort to protect crops and natural environments with integrated pest management (IPM) strategy. In 2017, Morawo completed his doctorate degree …

Prepare for California Wildfire Smoke Rules

Tacy CalliesCalifornia Corner, Regulation

With fire season on the horizon, employers should prepare now to be in compliance with wildfire smoke regulations. Bryan Little, director of employment policy for the California Farm Bureau Federation and chief operating officer for the Farm Employers Labor Service, highlighted the things agricultural employers will need to do to get ready for the coming fire season. “Make sure you’ve …

Australia: Don’t Downgrade Juice Health Rating

Ernie NeffOrange Juice

Citrus Australia, representing the nation’s citrus growers, has urged the federal government to reject proposed changes that could have 100 percent juice rated the same as diet cola on a health scale. Under proposed guideline revisions, the Health Star Rating (HSR) for fresh juice with no added sugar will fall from 5 stars to as low as 2.5 stars. The …

Florida Citrus Crop Forecast Numbers Fall

Tacy CalliesCrop Forecast

The 2019–20 Florida citrus crop forecast released on May 12 by the U.S. Department of Agriculture saw decreases in all categories. The numbers for California and Texas did not change. ORANGESThe Florida all-orange forecast is 69.7 million boxes, down 1 percent from April’s 70 million boxes. If realized, this will be 3 percent less than last season’s revised final production. …

Asian Giant Hornet Threatens Honey Bees

Ernie NeffPests

The Asian giant hornet (Vespa mandarinia), typically 1.5 to 2 inches long and a threat to honey bee colonies, has been found in Washington state. Amy Vu and Jamie Ellis with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Honey Bee Research and Extension Laboratory recently provided information about the pest. “This insect has recently been called …

How to Keep Your Irrigation System Properly Maintained

Tacy CalliesIrrigation

By Davie Kadyampakeni and Arnold Schumann Irrigation system maintenance is critical for proper and efficient delivery of water in citrus and other irrigated crops. A well maintained and functional irrigation system will deliver the required amounts of water to the root zone when needed and help growers optimize crop production. If an irrigation system is not working optimally, crops can …

HLB Research Uses Psyllid Neuropeptides

Ernie NeffHLB Management, Research

Researchers with several organizations are in the early stages of investigating the use of neuropeptides found in Asian citrus psyllids as the source for biocontrols for HLB disease. The researchers are with the Boyce Thompson Institute (BTI) at Cornell University, the U.S. Department of Agriculture Agricultural Research Service (USDA-ARS) and the University of Washington. The research team is led by …

Valencia Oranges Hit by Heavy Fruit Drop

Ernie NeffCOVID-19, Processing, Weather

Heavy fruit drop and weather issues reportedly could lead to reduction in Florida’s Valencia orange crop. Some in the citrus industry said COVID-19 issues in processing plants have also limited the intake of Valencias from groves, but the Florida Citrus Processors Association (FCPA) says that is not likely the case. “Processors have slowed down presumably due to COVID-19 … They …

The Economics of Mesh Bags for Protecting Young Citrus Trees

Tacy CalliesEconomics

By Ariel Singerman The use of mesh bags has been proposed as a strategy for excluding Asian citrus psyllids to protect young citrus trees. The expected benefit of using mesh bags is increased yield by delaying HLB infection. A scientific experiment to evaluate the effectiveness of mesh bags started in February 2018. There are still many unknowns regarding yield, use …

Citrus Involved in Re-Open Florida Task Force

Ernie NeffCOVID-19, Regulation

Two citrus industry representatives participated last week in a Re-Open Florida Task Force working group created by Florida Gov. Ron DeSantis. Florida Department of Citrus Executive Director Shannon Shepp and Matt Joyner of Florida Citrus Mutual served on a panel representing agriculture, finance, government, healthcare, management and professional services. It is one of several working groups that will inform the …

Citrus Work Still Moving Forward at University of Florida

Daniel CooperIndustry News Release

While the scenery may have changed, the work remains the same for the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) citrus faculty and Extension agents. “The coronavirus pandemic has altered the daily routine but not our mission to provide research and educational service to the citrus industry,” said Michael Rogers, director of the UF/IFAS Citrus Research and …

Protecting New Citrus Plantings and Resets From Weeds

Tacy Calliesweeds

By Ramdas Kanissery and Mongi Zekri Newly planted citrus trees and resets require more care and attention than established trees, especially when it comes to weed control. Florida’s weather conditions like high summer temperatures and often heavy rainfall make weed control in young groves difficult. Weeds compete with young citrus trees for nutrients, moisture and other resources, and may hinder …

H-2A Change May Aid Growers

Ernie NeffLabor

A temporary final rule change to some H-2A requirements is intended to help citrus and other agricultural employers avoid disruptions to their labor forces, protect the food supply and lessen impacts from the COVID-19 pandemic. The rule change was announced by the Department of Homeland Security with the support of the U.S. Department of Agriculture. Temporary foreign H-2A workers make …

Research on Water and Nutrient Retention

Ernie NeffNutrition, Research, Water

New research is using repurposed straw to create a tool that can help crops retain water and nutrients. Gang Chen, a professor of civil and environmental engineering at the Florida A&M University-Florida State University College of Engineering, led the research. It uses straw left over from processing crops like rice, wheat and corn to produce hydrogels. Hydrogels are molecules that …

florida citrus

Florida Sees Dips in Orange and Grapefruit Forecasts

Daniel CooperCrop Forecast

The 2019–20 Florida all-orange forecast released on April 9 by the U.S. Department of Agriculture is 70 million boxes, down 1 million boxes from the March forecast. This represents a 1 percent decrease in the expected orange crop size. Non-Valencia Oranges The forecast for Florida non-Valencia orange production is unchanged at 30 million boxes. The non-Valencia harvest is about over …