Non-Certified Donaldson Trees: Limited Availability for Growers

Josh McGillFlorida Department of Citrus, HLB Management

The Florida Department of Citrus’ Program for Expedited Propagation (PEP) of HLB-tolerant and resistant trees was conceived during the 2022 Florida legislative session following the discovery of the Donaldson tree among the collection at Whitmore Farms. The goal is to provide the resources needed to ramp up availability of Donaldson trees and others like it, so that growers interested in …

Microbiology and Microbes: The Key to Boosting Citrus Productivity

Josh McGillAll In For Citrus Podcast, Sponsored Content

Whether a citrus grove is thriving or not is often based on what is observed above the ground. However, the best measurement of fertility comes from what’s happening below ground—in the soil microbiology. There is a complex community of living organisms, everything from worms and insects to tree roots. One of the most important elements is soil microbes. Soil microbes …

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CRDF Board Acts on Research Recommendations

Josh McGillCRDF, Research

The Citrus Research and Development Foundation (CRDF) board of directors spent much of its monthly meeting in July considering recommendations from the foundation’s research management committee (RMC). TRACKING TREESThe RMC recommended that a request for proposals be put forth to create an inventory of all germplasm existing in field trials from the plant breeding programs CRDF has helped to fund. …

Sneak Peek: August 2022 Citrus Industry

Josh McGillCitrus Expo, Sneak Peek

As growers prepare for the 2022–23 season, August is the perfect time to review what’s new in the citrus industry. The Citrus & Specialty Crop Expo on Aug. 17–18 in North Fort Myers is the ideal venue to get the latest research updates while learning about new products and services. There’s no better place for industry leaders, growers, researchers and …

Expedited Tree Propagation Program Approved

Josh McGillFlorida Department of Citrus, HLB Management, nurseries

The Florida Citrus Commission (FCC) on July 20 approved the Florida Department of Citrus’ (FDOC) plan for implementation of the Program for Expedited Propagation of HLB Tolerant and Resistant Trees (PEP). The program’s goal is to provide resources needed to ramp up the availability of the apparently HLB-tolerant Donaldson tree and others like it. The FDOC received $1 million in …

Tropicana to Cease Processing at Fort Pierce Plant

Josh McGillOrange Juice

Tropicana Products Inc. advised the state of Florida in a July 15 letter that it will shut down its Fort Pierce processing plant on or about Sept. 13. The notification came in a letter from Tropicana human resources representative Jennifer Kane to the State Rapid Response Program. The program works to prevent or minimize the impacts of layoffs on workers, …

California Growers Show Strong Support for Citrus Research Board

Josh McGillCalifornia Corner, Research

California citrus growers recently voted by a large margin to continue their support of the Citrus Research Board (CRB) in a state-mandated referendum. The recently concluded referendum, which must be held every five years, was conducted by the California Department of Food and Agriculture (CDFA). A majority of eligible citrus producers voted in the referendum. Their support was nearly unanimous …

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All In For Citrus Podcast, July 2022

Josh McGillAll In For Citrus Podcast, Citrus Expo

This month’s All In For Citrus podcast focuses on the upcoming Citrus & Specialty Crop Expo scheduled for Aug. 17–18 at the Lee Civic Center in North Fort Myers, Florida. Michael Rogers, director of the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Citrus Research and Education Center, said the university’s citrus research team worked hard to develop …

Evaluation of Citrus × Microcitrus Hybrid Scions

Josh McGillResearch, Varieties

By Ute Albrecht, Anas Fadli and Chandrika Ramadugu Most commercially available citrus scion cultivars are highly attractive to the Asian citrus psyllid and susceptible to HLB. There are some citrus species, however, that are HLB tolerant or resistant. This may be because they are less attractive to the psyllids and/or because they restrict pathogen proliferation and therefore HLB disease development. …

Alternative Management Tools for ACP Under Development

Josh McGillEducation, HLB Management, Psyllids

By Lourdes C. Pérez Cordero Management of the Asian citrus psyllid (ACP) in the HLB era is incredibly important. This well-known insect can vector and facilitate the spread of the bacterium associated with HLB disease. Therefore, effective reduction of ACP populations can be beneficial for the citrus industry. But how exactly do we manage this pest? Unfortunately, there is not …

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Second CLas-Positive Psyllid Sample Found in California Grove

Josh McGillCalifornia Corner, Pests, Psyllids

An Asian citrus psyllid (ACP) sample confirmed positive for Candidatus Liberibacter asiaticus (CLas) — the bacteria that causes huanglongbing (HLB) — was collected from a commercial citrus grove in the Pauma Valley area of California’s San Diego County. This confirmation marks the first CLas-positive ACP found in a commercial grove in San Diego County and only the second grove detection …

Protecting Citrus Trees From Heat Stress

Josh McGillTip of the Week, Weather

By Anirban Guha Heat stress could take a toll on citrus tree health and fruit yield. In Florida, the hot season lasts more than four months. Long, hot, oppressive summer days can heat up leaves and fruit and make the trees extra thirsty. Also, high soil evaporation, irregular rainfall and poor soil water-holding capacity can often lead to summer drought …

Juice for Florida’s Future

Josh McGillOrange Juice, Research, Varieties

By Jude Grosser and Fred Gmitter New sweet oranges and sweet orange-like hybrids could offer improved juice quality for growers. It’s no secret that the recent season in Florida was a disaster, with record low production and terrible fruit quality due to HLB. Juice Brix and soluble solids were so low that harvest was delayed in many groves, resulting in …

Unlock Soil Nutrients to Benefit Your Citrus Grove

Josh McGillSponsored Content

Florida citrus growers are facing a rising mound of challenges these days. With citrus greening disease (HLB) devastating groves, low supply, soaring fertilizer prices and a substantial increase in overall production costs, the current odds are stacked high against citrus growers. This is an industry in crisis. Fortunately, science is catching up with new solutions to combat these urgent issues. …

Combining IPCs and Brassinosteroids to Protect Young Citrus Trees

Josh McGillIPCs, Research

Research studies show that about 60% of Florida citrus trees are infected by HLB disease within six months of planting. By one year, 100% of citrus trees are infected. For that reason, the use of individual protective covers (IPCs) has become very popular to protect young citrus trees from the Asian citrus psyllid (ACP). The covers have proven to be …

Sneak Peek: July 2022 Citrus Industry

Josh McGillRootstocks, Sneak Peek, Varieties

HLB continued to contribute to reduced production and lower quality fruit for Florida growers this season. University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researchers are working to help alleviate these problems by delivering improved rootstocks and varieties. The July issue of Citrus Industry magazine includes an in-depth look at this work. Read “Juice for Florida’s future” to …

CRDF Recommends Lowering Box Tax Rate

Josh McGillCRDF, Regulation, Research

In May, Florida citrus growers voted on whether to continue a research order that allows them to impose a tax on their production to fund scientific studies. The referendum passed with 76% voting in favor of the self-assessment. After the vote, all eyes turned to the June Citrus Research and Development Foundation (CRDF) board of directors meeting, which was held …

Selecting the Right Leaves for Sampling

Josh McGillNutrition, Tip of the Week

By Jamie D. Burrow and Tripti Vashisth With the increased cost and limited availability of fertilizer, purchasing decisions are more important now than ever. Collecting the right leaves for sampling is the first step to making fertilizer decisions. Leaf samples should consist of 100 leaves that are 4- to 6-month-old spring flush leaves taken from nonfruiting branches. WHY LEAVES FROM …

Preliminary Department of Citrus Budget Approved

Josh McGillfinancial, Florida Citrus Commission, Florida Department of Citrus

The Florida Citrus Commission on June 15 approved a preliminary 2022–23 operating budget for the Florida Department of Citrus of $29.9 million. The preliminary budget includes $19.125 million in general revenue funding from the state of Florida for marketing, research and administration. The majority of the budget will fund domestic marketing programs aimed at driving sales of Florida orange juice (OJ). …

Florida Citrus Industry Conference Draws Record Crowd

Josh McGillAwards, Events, HLB Management

Citrus growers and industry stakeholders gathered in Bonita Springs last week for the Florida Citrus Industry Annual Conference. After being sidelined the previous two years due to COVID-19, the conference drew a record crowd of more than 500 registered attendees. The event, hosted by Florida Citrus Mutual, was packed with educational programming and meetings for various industry groups. The Citrus …