By Brian German The Spring Citrus Meeting held last week in Tulare County touched on several major issues growers are concerned with, and included presentations on best practices for managing citrus trees. The day began with important information related to Asian citrus psyllid (ACP) and the disease it causes, huanglongbing (HLB), which has been growing at an alarming rate in …
Field Testing of New HLB-Tolerant Scions and Rootstocks
By Rhuanito S. Ferrarezi, Jude W. Grosser, Fred G. Gmitter, Ed Stover and Kim Bowman Citrus is Florida’s most important agricultural commodity. The state produces citrus for different markets: round oranges for juice; navels, mandarins, grapefruit and lemons for the fresh-fruit industry; and lemons for extracting peel oil for processing. Huanglongbing (HLB) disease affects all citrus varieties. Since the discovery …
Certis for Citrus Program Helps Fund Fight Against HLB
The biopesticide company, Certis USA, presented the non-profit Citrus Research and Development Foundation, Inc. (CRDF) with a check for $20,000 to help fund research projects in an effort to find a cure for huanglongbing (HLB; citrus greening). The presentation was made during the Florida Citrus Industry Annual Conference that took place at the Hyatt Regency Coconut Point Resort and Spa. …
June Florida Citrus Forecast: Grapefruit Down Slightly
The 2017-2018 Florida all-orange forecast released by the U. S. Department of Agriculture’s National Agricultural Statistics Service (USDA/NASS) on June 12 is 45 million boxes, unchanged from the May forecast. The total includes 19 million boxes of non-Valencia oranges (early, midseason and Navel varieties) and 26 million boxes of Valencia oranges. The forecast for non-Valencia production is finalized and harvest …
Citrus Renovation Irrigation Support Program Introduced
The Florida Department of Agriculture and Consumer Services (FDACS) Office of Agricultural Water Policy has a new citrus cost-share program to assist with irrigation improvements on groves that are being replanted. FDACS announced it has set aside roughly $3 million for the Citrus Renovation Irrigation Support Program (CRISP). The program is designed to be a 75 percent cost share for the …
CRDF 2018 Funding Cycle Is in Full Swing
Column sponsored by the Citrus Research and Development Foundation (CRDF) On April 24, the CRDF board of directors approved research priorities for two separate research funding programs. One is for projects that will lead directly to the development of commercial products, tools or recommendations (Commercial Product Development Committee, CPDC-18). The other is for projects with broader, fundamental researchable questions (Research …
CRDF Finalizes Grower Communication Plan
At its recent May meeting, the Citrus Research and Development Foundation (CRDF) finalized a communication plan that will attempt to make the organization’s information more easily available to growers and others. Ned Hancock, chairman of the CRDF communications subcommittee, reports. “One of the key elements is we’re going to revamp our website. We’re going to try to make it extremely …
New HLB Research Facility in Riverside
By Len Wilcox There’s a new research facility funded by California citrus growers to help combat huanglongbing (HLB), also known as citrus greening disease. The facility, located in Riverside, California, is the result of a 3-year cooperative effort of the University of California, Riverside (UC Riverside) and California citrus growers. Using funds provided by members of California Citrus Mutual (CCM), …
What Is CRISPR and What Does it Mean for Citrus?
By Fred Gmitter, Yi Zhang and Jude Grosser It is very likely that you have heard about the use of CRISPR technology and its great potential for addressing human health issues, as well as the promise it holds for providing solutions for major agricultural challenges, particularly for huanglongbing (HLB) in citrus. Granting agencies are supporting many citrus research projects aimed …
Five Questions for Republicans Running for Florida Agriculture Commissioner
By Gary Cooper, Founder and President of AgNet Media, Inc. The three Republican candidates for Florida Agriculture Commissioner presented their views to approximately 200 attendees at a recent Candidate Summit Luncheon near Orlando. Coldwell Banker Commercial Saunders Real Estate organized and hosted the event in conjunction with its 10th annual Lay of the Land Conference, which draws a strong agricultural following. …
Committed to Clientele-Focused Leadership
By John Arthington Column sponsored by the Citrus Research and Development Foundation Hello. I want to take this opportunity to introduce myself and my new role at the Citrus Research and Development Foundation (CRDF). As many of you are aware, Harold Browning retired as chief operations officer (COO) to pursue other opportunities in private industry. At that time, Larry Black …
Call for Proposals Is Coming Soon!
Column sponsored by the Citrus Research and Development Foundation The mission of the Citrus Research and Development Foundation (CRDF) is to advance disease and production research and product development activities to ensure the survival and competitiveness of Florida’s citrus industry through innovation. Since the inception of CRDF, the majority of investment has focused on HLB, while still addressing strategic topics …
Conaway Introduces the Agriculture and Nutrition Act
Three years, 114 hearings, six listening sessions and countless industry meetings have laid the groundwork for the 2018 farm bill. The House Agriculture Committee delivered what it calls a strong farm bill for producers, consumers and all of rural America. After introducing the Agriculture and Nutrition Act of 2018 (H.R. 2) during a teleconference, House Agriculture Committee Chairman Michael Conaway …
Tree Assistance Program Tweaked to Help Citrus Growers
By Michael W. Sparks Florida Citrus Mutual, the citrus industry and our Congressional delegation continue to work with Agriculture Commissioner Adam Putnam on obtaining federal relief payments from the U.S. Department of Agriculture (USDA) for citrus groves damaged by Hurricane Irma. Once specifics are unveiled, we will get them to you as soon as possible. In the meantime, I wanted …
Single Breakthrough Discovery for HLB in Florida Unlikely
A single breakthrough discovery for managing citrus greening in Florida in the future is unlikely, says a new report by the National Academies of Sciences, Engineering, and Medicine. The committee that wrote the report called for a systems approach to prioritize research on the disease and strategically distribute resources for research to effectively manage the disease, which is the most …
ACP Pheromone to Improve Trapping
By Len Wilcox University of California Davis (UC Davis) researchers have identified the sex pheromone of the Asian citrus psyllid (ACP), a discovery which will lead to better methods of controlling the pest. The ACP is a major threat to citrus around the world. The psyllid is a tiny insect with the potential to wreak havoc as it spreads the …
Grower Participation Needed for BMP Survey
The University of Florida Institute of Food and Agricultural Sciences researchers at the Southwest Florida Research and Education Center would like to better understand best management practices (BMPs) used by area growers. BMPs are individual practices or combinations of practices that are effective at improving the quality of surface water and ground water. Growers provide a public service by performing …
Hall of Famer Albrigo Reflects on Research
Gene Albrigo, University of Florida Institute of Food and Agricultural Sciences emeritus professor, reflects on the research that earned him a spot in the Florida Citrus Hall of Fame on March 9. “I tried to develop a program based on industry needs that I had some expertise to address, and working with people in the industry tried to solve some …
Florida Specialty Citrus Up; California Valencias Down
Mark Hudson of the U.S. Department of Agriculture/National Agricultural Statistics Service (USDA/NASS), reported the March forecast for Florida oranges is unchanged from last month at 45 million boxes. Non-Valencias are at 19 million boxes and Valencias are at 26 million boxes. The Row Count Survey, conducted on Feb. 26-27, showed 99 percent of the early-midseason rows and 96 percent of …
Foliar Nutrition Research Update
By Rhuanito S. Ferrarezi, Alan L. Wright, Kelly T. Morgan, Philip A. Stansly, Monica Ozores-Hampton and Robert Ebel Huanglongbing (HLB) or citrus greening is endemic in Florida, resulting in billions of dollars of losses since the state’s first detection in 2005. The disease induces visual symptoms in leaves and branches, while severely impacting citrus fruit yield and quality. Fibrous root …




























