Getting the Most Out of Your Nutrition Program

Josh McGillNutrition

By Brandon White Taking a wholistic, helicopter view of nutrient management programs can be beneficial in reducing high input costs and environmental implications in the continued era of HLB. START WITH THE SOILAn obvious first stop on the considerations list is the soil. It’s the foundation of the system. Almost any economically feasible thing growers can do to improve organic …

Sneak Peek: May 2023 Citrus Industry

Josh McGillCUPS, Sneak Peek

Some growers are taking a closer look at citrus under protective screen (CUPS), while others have already adopted the production system. CUPS has been proven to protect trees from HLB and hurricane damage. The May issue of Citrus Industry magazine features grower brothers who are early adopters of CUPS. Jerry and Keith Mixon have 150 acres of CUPS production in …

Gibberellic Acid Applications: Day vs. Night

Josh McGillHLB Management, PGRs, Tip of the Week

By Alessandro Franco, Faisal Shahzad and Tripti Vashisth Gibberellic acid (GA) is one of the most commonly used plant growth regulators which affects flowering, fruit and vegetative growth. Multiple monthly GA foliar applications have reduced preharvest fruit drop and increased yield in huanglongbing (HLB)-affected sweet oranges. The potential impact of these findings is huge for commercial citrus production. However, there …

Brazil’s Sustainable Citriculture Effort Updated

Josh McGillBrazil

Sustainable Citriculture, a voluntary initiative by citrus growers and orange juice industries in São Paulo and Minas Gerais, has completed two years in search of sustainable development for Brazilian citriculture. The initiative, which is committed to preserving natural resources, has created a set of actions and partnerships that seek to encourage responsible food production and environmental protection. Its goals include …

Can Brassinosteroids Help Citrus Cope With Disease and Extreme Weather?

Josh McGillDiseases, Research, Weather

By Fernando Alferez and Muhammad A. Shahid Brassinosteroids (BRs) are a natural group of hormones that regulate physiological and biochemical attributes that include seed germination, flower development, root formation and resistance to various abiotic and biotic stresses. BRs have shown promise in reducing pests and diseases in a wide range of plants, including citrus. A commercial formulation of BRs has …

Redesigned Florida Grower Citrus Show a Sweet Success

Josh McGillEvents

The reinvigorated Florida Grower Citrus Show was a crowd-pleaser in its first year hosted by AgNet Media. The annual event was relocated to University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) and U.S. Department of Agriculture (USDA) facilities in Fort Pierce. It was streamlined from a two-day format to a one-day event. The show brought together exhibitors who …

Project Seeks Quick HLB Diagnostic Tests

Josh McGillHLB Management, International, Research

Canadian college Seneca, in partnership with Ottawa-based Evik Diagnostic Innovations Inc., is working to develop a quick diagnostic test for the citrus disease HLB. Frank Merante, professor in Seneca’s School of Biological Sciences & Applied Chemistry, is the principal investigator for the project. The idea behind the research was to develop a simple way for growers to test crops and identify the …

citrus

Changes to U.S. Citrus Crop Forecast

Tacy CalliesCrop Forecast

The U.S. Department of Agriculture’s National Agricultural Statistics Service (USDA NASS) released its latest citrus crop forecast on April 11. Florida’s grapefruit crop forecast for 2022–23 rose 6%. Projected production for the state’s other citrus varieties was unchanged. FLORIDA GRAPEFRUITThe all-grapefruit forecast for Florida is now 1.7 million boxes, up from 1.6 million boxes in March. Florida’s red grapefruit forecast …

CUPS Irrigation and Fertilization for Grapefruit

Josh McGillCUPS, Nutrition, Tip of the Week

By Rhuanito S. Ferrarezi and Mark A. Ritenour Citrus under protective screen (CUPS) is a modern production system that excludes the Asian citrus psyllid and, consequently, the devastating disease citrus greening (huanglongbing or HLB) from plants cultivated in screenhouses. A recent study investigated the effect of different irrigation management strategies on fruit yield and quality of grapefruit grown in CUPS. …

Brazil’s Final Orange Forecast for 2022–23

Josh McGillBrazil, Crop Forecast

The final 2022–23 orange crop forecast for Brazil’s São Paulo and West-Southwest Minas Gerais citrus belt is 314.21 million 90-pound boxes. While the crop declined 0.6% from the February forecast, it is much larger than the country’s 2021–22 crop. The Valencia and Valencia Folha Murcha varieties declined by 1.1% since February to 105.01 million boxes, and the Natal variety declined …

CRAFT Introduces Existing Tree Therapies Program

Josh McGillCRAFT

The Citrus Research and Field Trial (CRAFT) Foundation has announced a new Existing Tree Therapies Program for Florida citrus growers. The program is designed to provide the citrus industry with a better understanding of the best use patterns, combinations and timing of newly developed therapies. Therapies eligible for the program show promise in restoring health and improving juice quality and quantity, …

Mental Health Talk Highlights Peace River Meeting

Josh McGillEvents

Marshal Sewell, representing the Mind Your Melon campaign, addressed mental health in agriculture and facing adversity during Peace River Valley Citrus Growers Association’s (PRVCGA) recent annual meeting.  “Mental health was a perfect topic for this past year’s events,” said PRVCGA Executive Director Emma Keller. Florida citrus growers have seen production drop to its lowest level since before World War II …

Florida Citrus Still an Economic Force

Josh McGillAll In For Citrus Podcast, Economics

While the Florida citrus industry has seen its fair share of challenges from HLB and recent hurricanes, the industry still swings a big stick according to research conducted by the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS). The study, The 2020-21 Economic Contributions of the Florida Citrus Industry, was released in February. Christa Court, UF/IFAS economist and …

Don’t Miss the Florida Grower Citrus Show

Josh McGillEvents, Indian River, Tip of the Week

By Ron Cave In 1946, leaders with the University of Florida and the Indian River Citrus League ascertained the need for an event where growers, the trade organization and researchers might network and attend educational sessions presented by scientists. So began the first-ever Indian River Citrus Seminar, which would later become the Florida Grower Citrus Show. In the 1960s, Florida’s …

New Citrus Varieties to Be Assessed in Australia

Josh McGillInternational, Varieties

Hort Innovation announced it will invest $987,000 to assess new citrus varieties that are suited to Australian growing conditions. Funded by Hort Innovation’s citrus levy, the project will provide independent assessment of the horticultural performance of new citrus varieties under Australian conditions, as well as testing citrus varieties for trueness-to-type. The assessments will take place in Dareton in New South …

Freeze Had Greatest Impact on Young Trees

Josh McGillCold Hardy, freeze

Lindy Savelle, president of the Georgia Citrus Association, and other industry leaders continue to preach to growers the need to diversify their crop portfolios. The Christmas freeze event that ravaged production in the Southeast last December should not be a deterrent for farmers hoping to produce citrus other than satsuma mandarins. Yes, non-satsuma citrus trees were impacted more by the …

Latest CRDF Funding Includes Oxytetracycline Hydrochloride Projects

Josh McGillCRDF, Research

The Citrus Research and Development Foundation (CRDF) board of directors convened its March meeting with a busy agenda, addressing fast-moving current events. Discussion focused on newly approved oxytetracycline hydrochloride (OTC-HCl) trunk-injection products currently being applied in groves. The board funded a project to measure the impact of OTC-HCI applications on the Asian citrus psyllid (ACP). Specifically, the study will determine …

California’s Valencia Orange Forecast

Josh McGillCalifornia Corner, Crop Forecast

The California Department of Food and Agriculture (CDFA) recently reported additional information about the state’s 2022–23 Valencia orange forecast of 16.2 million 40-pound cartons. This figure is equal to the 8.1 million 80-pound boxes forecast by the U.S. Department of Agriculture on March 8. The CDFA forecast, also issued on March 8, is below the prior season production of 17.2 …

florida citrus

How to Squelch Summer Weeds

Josh McGillweeds

Summer is “a field day for weeds,” Ramdas Kanissery said in a March 29 presentation about weed control for citrus. The University of Florida Institute of Food and Agricultural Sciences assistant professor provided a progressive step-by-step approach to suppressing weeds during the summer. CONTROL EXISTING WEEDSGrowers can get off to a good start by controlling existing weeds with post-emergent herbicides. …

Stuart Scholarship Applications Due April 15

Josh McGillScholarship

Applications for the Florida Fruit & Vegetable Association’s (FFVA) Mike and Karen Stuart Scholarship are due April 15. Application forms are available at the FFVA’s Florida Specialty Crop Foundation website. The scholarship, for $2,000 per recipient, was created in 2021 to encourage and support college students who intend to pursue a career in the specialty crop industry. It is open …