hlb

California and Florida Collaborate on HLB Research

Len WilcoxCalifornia Corner, HLB Management, Research

University of California, Riverside (UCR) professor Georgios Vidalakis recently provided an update on the state of California citrus for researchers in Florida. Vidalakis is a noted professor and Extension specialist in UCR’s Microbiology and Plant Pathology Department. Among other honors, he was recently named Presidential Researcher for Sustainable Citrus Clonal Protection. Vidalakis pointed out that California has benefited greatly from …

Aiming to Improve Production of Florida Grapefruit

Daniel CooperGrapefruit, Industry News Release

(UF/IFAS) — Dinesh Phuyal, who is pursuing a master’s degree in horticultural sciences from the University of Florida’s College of Agricultural and Life Sciences, recently garnered a prestigious Yara North America Crop Innovation Scholarship. The award is Phuyal’s fourth academic honor this year for his efforts to improve Florida grapefruit tree size, fruit yield and fruit quality. Phuyal studies higher …

CRAFT program

Citrus Rootstock Guide Updates Available Online

Daniel CooperIndustry News Release, Rootstocks

(UF/IFAS) — Florida’s citrus growers may now access the updated Florida Citrus Rootstock Selection Guide, which is more user- and mobile-friendly. Revisions include current University of Florida rootstock horticultural traits, three new rootstocks that tolerate citrus greening and an updated bibliography. “The fourth edition of the Florida Citrus Rootstock Selection Guide has a new look and information for a comprehensive description …

rubio

Rubio Secures Funding for Citrus Greening

Daniel CooperCitrus Greening, Industry News Release, Legislative

The Senate passed an appropriations minibus package that included critical funds for Florida secured by Senator Rubio (H.R 3055, Commerce, Justice, Science, Agriculture, Rural Development, Food and Drug Administration, Interior, Environment, Transportation, and Housing and Urban Development Appropriations Act of 2020). In his role on the Senate Appropriations Committee, Senator Rubio secured major funds for Florida’s citrus industry:  $8.5 million …

nutrition

UF/IFAS Adds Fourth Citrus Nutrition Workshop

Daniel CooperCitrus, Industry News Release

Responding to strong grower interest, the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) has added a fourth event to its roster of citrus nutrition workshops this fall. The event happens 9:30 a.m. to 1 p.m. on Friday, Nov. 8, at the UF/IFAS Extension Highlands County office in Sebring. For more information, visit citrusnutritionprogramsebring.eventbrite.com. Admission is free and …

IPCs for HLB Prevention in Young Trees

Tacy CalliesHLB Management

By Fernando Alferez, Susmita Gaire, Ute Albrecht, Ozgur Batuman, Jawwad Qureshi and Mongi Zekri Controlling the Asian citrus psyllid vector of huanglongbing (HLB) is critical, especially in young trees. Reducing HLB incidence is essential for tree survival and productivity under current endemic conditions. Individual protective covers (IPCs) are a novel strategy based on psyllid exclusion by means of a protective …

acp

Does Reducing Psyllids Help When HLB Is Present Everywhere?

Tacy CalliesHLB Management, Psyllids

By Freddy Ibanez, Nabil Killiny, L. Gene Albrigo and Lukasz L. Stelinski With both Asian citrus psyllids (ACP) and huanglongbing (HLB) distributed throughout Florida groves, there is no longer a need to slow the spread of the disease. So, it is logical to ask whether reducing vector numbers is still something that is worth pursuing, given the investment needed in …

Martin Named New California CRB President

Len WilcoxCalifornia Corner, Industry News Release

Marcy L. Martin was named the new president of the Citrus Research Board (CRB). The appointment was announced by CRB Chairman Dan Dreyer, who said that Martin was selected after a nearly year-long national search for the best candidate to lead the organization. Martin joins the CRB with more than 25 years of experience with California commodity organizations. She most …

Citrus Research Facility Opening Set

Len WilcoxCalifornia Corner, Research

Sept. 26 will be the official opening day for a new bio-safety citrus research facility at the University of California, Riverside (UCR). A ribbon-cutting ceremony and other activities are scheduled to highlight the day. Members of the California Citrus Research Foundation, California Citrus Mutual (CCM) and the Citrus Research Board will be in attendance. The facility was funded by California …

Sugar Belle® Shows Potential in Orange Juice Processing

Tacy CalliesResearch

By Yu Wang, Charles Sims, Zhifeng Gao, Lisa House, Frederick Gmitter and Jude Grosser The citrus industry has faced significant declines in both production and consumption during the huanglongbing (HLB) era. For example, Florida orange production has dropped about 70 percent over the last two decades. In the absence of effective interventions, the spread of HLB will continue to reduce the …

citrus greening

Researchers to Look Deeper Into HLB Management

Tacy CalliesHLB Management, Research

By Karla Arboleda University of Florida Institute of Food and Agricultural Sciences researchers are getting ready to conduct several trials on tools used to protect young citrus trees from HLB. The team of five researchers will receive $665,471 in funding from the U.S. Department of Agriculture for experiments at the Citrus Research and Education Center (CREC) in Lake Alfred. Lauren …

Manipulating Flowering for Better Grove Management

Tacy CalliesProduction, Research

By Tripti Vashisth, Garima Singh and Megan Dewdney Citrus trees grown in the field undergo various types and levels of stress continuously. The stressors can be several things, including heat, cold, drought, soil pH, chemicals, pests and diseases. The constant presence of huanglongbing (HLB) and psyllid infestation adds stress to the trees, which compromises the plant response and makes the …

Florida orange

Oxytetracycline Sprays vs. Trunk Injections

Daniel CooperCitrus Greening, HLB Management, Industry News Release, Research

Since 2016, federal authorities have allowed Florida citrus growers to spray oxytetracycline solutions on their trees to combat citrus greening disease. A newly published University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) study suggests that the bactericide would be more effective if it were injected into citrus tree trunks, a practice not currently approved under U.S. law. Citrus …

The Real Cost of HLB in Florida

Tacy CalliesEconomics, Production, Research

By Ariel Singerman This article summarizes the major changes in the cost of production for processed oranges in Florida since the outbreak of huanglongbing (HLB). To deal with the disease, growers have significantly changed their cultural practices. Those changes have had a considerable impact on the cost of production per acre. NOMINAL COSTS VS. REAL COSTSHowever, given that inflation also …

The Facts on Preharvest Fruit Drop

Tacy CalliesProduction, Research

By Tripti Vashisth, Lisa Tang and Sukhdeep Singh In citrus, huanglongbing (HLB) causes an increase in the mature fruit drop rate up to three months prior to commercial harvest. This preharvest fruit drop results in a great reduction in yield and overall grove productivity. Since the plant growth regulators that improve fruit retention on healthy trees do not have consistent …

Research

Citrus Research at SWFREC

Ernie NeffHLB Management, Research

Southwest Florida Research and Education Center (SWFREC) Director Kelly Morgan provides an update on citrus research being conducted at the center. SWFREC is operated by the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). Morgan says most of the research is “related to greening, but not all of it.” Greening is another term for huanglongbing (HLB), the citrus …

hlb

Voluntary Best Practices for California Citrus Growers’ Response to HLB

Daniel CooperCalifornia Corner, HLB Management, Industry News Release

Best Practices Developed by Grower-Led, Science-Supported Task Force To provide California citrus growers with a strong toolbox of science-supported strategies and tactics to protect their orchards from huanglongbing (HLB), the Citrus Pest & Disease Prevention Committee endorsed a set of best practices for growers to voluntarily employ in response to HLB in California. The recommendations — which were developed based …

citrus greening

Studying Citrus Greening with an Integrated Approach

Daniel CooperCitrus Greening, Diseases, HLB Management, Industry News Release, Psyllids, Research

While citrus growers continue to look for best management approaches to deal with the deadly greening disease, scientists will take an integrated look at how to protect young trees by using existing tools growers can use. Five scientists from the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) will compare insect management tools, including insect-proof netting. Researchers also …

California Citrus Mutual Opposes Chlorpyrifos Ban

Len WilcoxCalifornia Corner, Regulation

California Citrus Mutual (CCM) has issued a statement opposing the upcoming statewide ban of chlorpyrifos. The California Environmental Protection Agency (CalEPA) announced that the Department of Pesticide Regulation (DPR) is now working to rescind the approved use of the pesticide, which will effectively ban the pesticide from any use in California. The process could take up to two years. CalEPA …