An Update on Oak Mulch to Increase Soil Health

Jim Rogers Research, Soil Improvement

By Lukas M. Hallman, John M. Santiago and Lorenzo Rossi At first glance, one may not see how oak trees relate to citrus production. But in the early 2010s, growers and scientists reported seeing little to no HLB symptoms on citrus growing underneath the dripline of oak trees compared to citrus trees nearby but not directly under oak trees. These …

Progress With SuperSour Rootstock Trials

Jim Rogers Research, Rootstocks

By Kim D. Bowman The breeding of new citrus rootstocks is not an endeavor for the impatient. Two of the most popular rootstocks in Florida, US-942 and US-812, each were included in field evaluation for more than 20 years before the U.S. Department of Agriculture (USDA) released them for commercial use. In these cases, the time invested in thorough testing …

Oak Leaves and Turnpike Signs

Jim Rogers HLB Management, Marketing, Research

Citrus growers Travis Murphy and Tom Thayer developed a formulation based on oak leaf extract that was observed to rejuvenate trees back to economic productivity. But the rejuvenation effects observed in the growers’ trials were not observed in field trials using a modified version of the formulation. U.S. Department of Agriculture (USDA) research geneticist Randall Niedz reported that result in …

Consortium Research Aims at HLB

Jim Rogers HLB Management, Research

Scientists from the New Mexico Consortium (NMC) say research they have conducted may lead to development of strategies for the control of HLB disease. The research is a collaborative effort between the Gupta laboratory, the NMC and the Stover laboratory at the U.S. Department of Agriculture’s Agricultural Research Service (USDA/ARS). The study focuses on the two putative virulence proteins of …

HLB Research Focused on Near-Term Solutions

Jim Rogers HLB Management, Research

The urgency is high to find any solution to help citrus growers more effectively mitigate HLB. During the Florida Citrus Growers’ Institute this month, Citrus Research and Education Center director Michael Rogers gave a presentation that outlined the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) research projects aimed at finding short-term HLB solutions. “We understand where the …

U.S. Lemon, Grapefruit and Tangerine Outlook

Jim Rogers Crop Forecast

Lemons are the only U.S. citrus commodity forecast this season to exceed last season’s production levels, the U.S. Department of Agriculture’s Economic Research Service reported recently. At a projected 976,000 tons, lemon production is expected to be 10% higher than last season. Ninety-four percent of lemons commercially grown in the United States are from California. Despite the higher domestic production, …


U.S. Orange Juice Output to Hit 50-Year Low

Jim Rogers Forecast, Orange Juice

Total U.S. orange juice (OJ) production in the current 2021–22 season is forecast at 286 million single-strength equivalent (SSE) gallons, the U.S. Department of Agriculture’s Economic Research Service reported recently. If realized, this volume will be the lowest in more than 50 years. To compensate for lower production, U.S. OJ imports are expected to increase over last year, reaching more …

orange juice

Reps. Yoho, Soto Call on USDA to Stabilize Florida Orange Juice Market

Daniel Cooper Citrus, hurricane, Industry News Release, Orange Juice

Reps. Ted. S Yoho (FL-03) and Darren Soto (FL-09) led a bipartisan letter to U.S. Secretary of Agriculture Sonny Perdue requesting the U.S. Department of Agriculture increase funding for orange juice purchases in Florida to $90 million, doubling the initial allocation from this past summer.  After Hurricane Irma, Florida orange production dropped precipitously from 68.7 million boxes in 2017 to 45 million boxes …

Pest Alert: Lebbeck Mealybug Found in Florida Citrus

Daniel Cooper Industry News Release, Pests

The Florida Department of Agriculture and Consumer Services (FDACS) Division of Plant Industry issued an updated pest alert for lebbeck mealybug. Laurie Hurner, Highlands County Extension director, says this pest and its damage have been found in Highlands County citrus. “It has been misidentified as cottony cushion scale,” says Hurner. “It has been found in young trees under net and …

citrus rootstock

USDA Releases 3 New Citrus Rootstocks

Daniel Cooper Citrus, Rootstocks

The U.S. Department of Agriculture has released three new citrus rootstocks that are available for unrestricted public use. The rootstocks are US SuperSour 1, US SuperSour 2 and US SuperSour 3. A new publication provides summary information about the new releases. Get the new publication here:


December Citrus Crop Forecast Unchanged

Daniel Cooper Citrus, Crop Forecast, Grapefruit

The U.S. Department of Agriculture’s 2018-2019 Florida all-orange forecast for December is 77 million boxes, unchanged from the November forecast. If realized, this forecast will be 71 percent more than last season’s final production. The forecast consists of 32 million boxes of the non-Valencia oranges (early, midseason and Navel varieties) and 45 million boxes of Valencia oranges. Current fruit size …


USDA Grant Could Help Florida’s Grapefruit Industry

Daniel Cooper Citrus Greening, Grapefruit, HLB Management, Industry News Release

Florida’s grapefruit industry, devastated by citrus greening, may find hope in four ½-acre white-mesh screenhouses in a research field in Fort Pierce. The project will be funded by a $3.5 million grant from the U.S. Department of Agriculture (USDA) awarded to the University of Florida. Studies for the grant will take place inside and outside these structures, where 512 young …


Irma Agriculture Aid Slated to Start in Summer

Daniel Cooper Citrus, hurricane, Industry News Release

A program to distribute federal disaster aid to Florida farmers hit by Hurricane Irma will be set up within the next 100 days, U.S. Agriculture Secretary Sonny Perdue announced Friday. “USDA (the U.S. Department of Agriculture) is working as quickly as possible to develop procedures and a system by which affected producers can access disaster assistance,” Perdue said in a …