Compost Use and Weed Management

Tacy Callies Tip of the Week, weeds

By Ramdas Kanissery Application of compost as a soil amendment could be an integral part of citrus production’s best management practices. Compost application can potentially improve soil quality and provide additional nourishment to trees. Citrus-producing soils in Florida are generally sandy and low in soil organic matter. Compost addition tends to enhance the soil’s ability to retain both nutrients and …

Flowering Intensity, Shoot Dieback and HLB

Tacy Callies HLB Management

Citrus trees grown in Florida continuously undergo various types and levels of stress. Stressors can include severe weather conditions, soil pH, chemicals, pests and diseases. The constant presence of HLB and psyllid infestation adds further stress to the tree, compromising overall tree health. Off-season flowering and prolonged flowering are common responses of trees when undergoing various stress conditions. Off-season and …

High-Tech Scouting in Citrus Production

Tacy Callies Technology

By Yiannis Ampatzidis and Tara Wade Traditional sensing technologies in citrus production for pest and disease detection and field phenotyping rely on manual sampling, which is time consuming and labor intensive. Since availability of personnel trained for field scouting is a major problem, small unmanned aerial vehicles (UAVs) equipped with various sensors and artificial intelligence (AI) can simplify the surveying …

Grower Discusses Conservation Steps

Ernie Neff Awards

Travis Miller, part owner and manager of the 330-acre DeSoto Grove in DeSoto County, was recently recognized by the Florida Farm Bureau Federation for his natural resource conservation efforts. Miller and 22 other Florida farmers and ranchers received the Farm Bureau’s County Alliance for Responsible Environmental Stewardship (CARES) award. Miller reports on the conservation steps taken at DeSoto Grove: “We …

Citrus Growers Honored for Conservation

Ernie Neff Awards, Environment

Two citrus growers are among 22 farmers and ranchers recently honored by the Florida Farm Bureau Federation (FFBF) in recognition of their superior natural resource conservation efforts. They are Travis Miller of DeSoto Grove in DeSoto County and Marlon Pendergrass of The Groves of Peace River in Hardee County. Each received the Farm Bureau’s County Alliance for Responsible Environmental Stewardship …

The Effect of the Clean Waterways Act on Ag

Tacy Callies Tip of the Week

The Clean Waterways Act (Senate Bill 712) was signed into law on June 30 by Gov. Ron DeSantis. The act discusses several mechanisms and provisions to protect waterways by reducing water pollution. It includes a few changes that directly affect the agriculture industry. The law requires the Florida Department of Agriculture and Consumer Services (FDACS) to perform onsite implementation verification …

Pesticide Storage Area

Proper storage of pesticides

expoadmin CEU

By Ajia Paolillo 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. Pesticides are widely used in the citrus industry and are important tools in agricultural production. Safety precautions should be taken …

Enhancing Soil Health With Cover Crops

Tacy Callies Cover Crops, Soil Improvement

By Sarah Strauss, Antonio Castellano-Hinojosa, Davie Kadyampakeni, Ramdas Kanissery and Tara Wade Soil health is generally synonymous with soil quality and refers to the capacity of a soil to sustain biological productivity, maintain environmental quality and promote plant health. Soils are complicated ecosystems, and discussions of soil health must consider the links between soil functions and soil-based ecosystem services, such …

Irrigation Problem Prevention

Tacy Callies Irrigation, Tip of the Week

By Ajia Paolillo To keep your irrigation system running efficiently, it is important to perform routine maintenance throughout the year. There are many types of issues that can affect your irrigation system, causing it to run poorly. Poly tubing and emitters can become clogged. Emitters can be blocked by weeds or broken through normal wear and tear. When these issues …

irrigation

Irrigation Scheduling to Optimize Tree Performance

Tacy Callies Irrigation, Tip of the Week

By Davie Kadyampakeni Proper irrigation scheduling applies an appropriate volume of water to a citrus grove at the appropriate time based on tree need, soil properties and weather conditions. Applying water in the right amount, right quantity and at the right time is very important for getting the best out of citrus trees. Several tools are available for determining when …

Get the Science on Climate Change

Ernie Neff Weather

“Our climate is changing and, with that, comes more extreme events,” said Ashley Smyth, an assistant professor of soil and water science at the Tropical Research and Education Center in Homestead. The center is part of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). “Just look at the most recent hurricanes. As they cross the Gulf, they …

Artificial Intelligence System Wins UF Honors

Ernie Neff Awards, Technology

UF Innovate | Tech Licensing recently recognized an artificial intelligence (AI) system known as Agroview as a UF Invention of the Year. The AI system was invented by Yiannis Ampatzidis and his research team at the University of Florida Institute of Food and Agricultural Sciences Southwest Florida Research and Education Center (SWFREC). The system utilizes images from drones and satellites …

citrus greening

Use More Micronutrients for HLB

Ernie Neff Nutrition

HLB-affected citrus trees benefit from micronutrients at higher-than-recommended rates, Tripti Vashisth reported in a virtual Florida Citrus Growers’ Institute presentation. Vashisth, a University of Florida Institute of Food and Agricultural Sciences researcher, said that a 20 percent higher-than-recommended rate of micronutrients can improve productivity in trees with HLB. The Florida Citrus Growers’ Institute is normally held in Avon Park in …

Growers Sustain Losses

Ernie Neff Economics

Not many watching a recent virtual Citrus Expo presentation were surprised by Ariel Singerman’s declaration that “taking into account total cost, on average, growers sustained a loss” in the 2019-20 Florida citrus season. Singerman, a University of Florida Institute of Food and Agricultural Sciences economist, pegged the average per-acre losses at $1,606 for early-midseason oranges and $1,254 for Valencias. Singerman …

HLB

Genetics and Nutrition Are the ‘Way Forward’

Ernie Neff Nutrition

“The combination of improved scion/rootstock genetics and optimized nutrition is clearly the way forward” for Florida’s HLB-stricken citrus industry, Jude Grosser declared in a Florida Citrus Growers’ Institute virtual presentation. Grosser is a University of Florida Institute of Food and Agricultural Sciences plant breeder. The Growers’ Institute is normally held in April but was cancelled this year due to COVID-19. …

Nutrition: Get the Rate Right

Ernie Neff Nutrition

Davie Kadyampakeni emphasized the importance of the four Rs of good nutrition of HLB-affected orange trees, with a heavy focus on the “right rate” of nutrient use. The other three Rs are right time, right placement and right source of nutrient applications. Kadyampakeni, a University of Florida Institute of Food and Agricultural Sciences researcher, discussed nutrition at this year’s virtual …

stormwater

BMPs Impacted by New Florida Water Act

Ernie Neff BMPs

Florida’s new Clean Waterways Act impacts agricultural landowners and producers enrolled in the Florida Department of Agriculture and Consumer Services (FDACS) Best Management Practices (BMPs) program. The act went into effect July 1. FDACS is required to undertake implementation verification (IV) site visits on properties enrolled in the BMP program every two years. During these IV site visits, FDACS Office …

citrus crop forecast

New Economic Reports for Florida Citrus

Tacy Callies Economics

By Ariel Singerman Four reports summarizing Florida citrus industry survey-collected data during the 2019–2020 season are available at https://crec.ifas.ufl.edu/economics/. The reports include the average cost of production for processed oranges, harvesting charges, custom rate (or caretaking) charges and packing charges. The estimates presented in those reports, as well as those available for previous seasons, document the changes in the industry …

Weird Trunk Disorders in Groves

Ernie Neff Citrus Expo

Florida growers, Extension agents and others have been baffled by unusual trunk symptoms during what Evan Johnson termed “the year of the weird trunk disorder.” Growers spotted the disorders, which were similar to phytophthora, in groves over the past one and half to two years. Johnson addressed three of the disorders, which have been found in multiple counties. Johnson, a …

Growing Finger Limes in Florida: Lessons Learned So Far

Tacy Callies Limes

By Manjul Dutt and Jude Grosser Finger lime, a distant relative of sweet orange and grapefruit, is a relatively new crop species for Florida. It is an Australian native species that has been gaining in popularity and importance in the last few years because of its unique fruit characteristics and disease tolerance, which sets it apart from conventional sweet orange …