Dormant Sprays for Asian Citrus Psyllid Management

Tacy CalliesPsyllids

By Jawwad Qureshi Several studies have documented the positive effects of controlling the Asian citrus psyllid (ACP, Figure 1) for citrus tree health and sustainability in Florida. The mature blocks established before and after the discovery of huanglongbing (HLB) in 2005 continue to benefit from psyllid control. One psyllid is enough to infect a tree with HLB for life, and … Read More

SFWMD Accepting Applications for Cost-Share Water Projects

Tacy CalliesWater

The South Florida Water Management District (SFWMD) announced it is accepting applications for cost-share projects to develop alternative water supply projects and water conservation projects. This is part of the state of Florida’s continuing efforts to identify and implement cost-effective strategies to protect its water resources while meeting Florida’s water needs. Partnering with local governments and other entities for implementation … Read More

Time for ACP Dormant Season Sprays

Tacy CalliesHLB Management, Tip of the Week

By Lauren Diepenbrock Pest management is an ongoing effort in Florida citrus. Taking advantage of pest life cycles, whether they are tied to the season or plant phenology, can make management efforts have greater impacts on pest populations. For many citrus growers, managing the impacts of Asian citrus psyllid (ACP), the vector of huanglongbing (HLB), is part of the annual … Read More

China Orange and OJ Forecasts

Ernie NeffForecast, International

Orange production in China is forecast to grow to 7.5 million metric tons (MMT) in 2020–21, up from 7.4 MMT in 2019–20, the U.S. Department of Agriculture’s Foreign Agricultural Service (FAS) reported. The increase will be driven mainly by new trees planted a few years ago in Jiangxi and other provinces. Those trees have started to produce more fruit. FAS … Read More

HLB-Positive ACP Found in San Diego County

Len WilcoxCalifornia Corner, Industry News Release, Psyllids

A citrus tree at a private residence near San Diego, California, has been found to be infected by four Asian citrus psyllids (ACP). Upon testing, the ACP were found to be carriers of the bacterium that causes citrus greening, also known as huanglongbing (HLB). The finding was announced by the California Department of Food and Agriculture’s Citrus Pest and Disease … Read More

Some Citrus Recovery Expected in Mexico

Ernie NeffMexico

The U.S. Department of Agriculture’s Foreign Agricultural Service recently issued a report on the citrus industry in Mexico. Some highlights follow. ORANGEOrange production in the 2020-21 marketing year is forecast to partially rebound after drought decimated last year’s crop by nearly 40 percent. Residual soil health effects and low producer investments in orchard rehabilitation will prohibit full production recovery. Lack … Read More

Breeding Hybrids With HLB Resistance

Len WilcoxBreeding

UC Riverside scientists are working to breed new fruits that are naturally resistant to huanglongbing (HLB). The hybrid fruits will ideally share the best of their parents’ attributes: the tastiness of citrus and the HLB resistance displayed by some Australian relatives of citrus. HLB, also called citrus greening disease, has been detected in California, where 80 percent of the country’s … Read More

Report: Make Farmland Access Equitable

Ernie NeffLand

A new report claims major barriers prevent the next generation of farmers and ranchers, particularly those of color, from accessing quality, affordable farmland. The report, Land Policy: Towards a More Equitable Farming Future, was released by the National Young Farmers Coalition. See the full report here. According to the report, land ownership in the United States is vastly unequal. The … Read More

Irrigation Management With Artificial Intelligence

Tacy CalliesIrrigation

Artificial intelligence (AI) can be an overwhelming topic, but Sandra Guzmán says it is easier to swallow when it helps growers. Guzmán, an agricultural engineering assistant professor at the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) Indian River Research and Education Center, has been working directly with growers to integrate the benefits of in-field technology. The influx … Read More

Organic Acid, HLB Link Found

Ernie NeffResearch

One obvious symptom of HLB is leaf chlorosis — yellow blotches appearing on otherwise dark green citrus leaves. Although chlorosis can indicate other health issues, in trees affected by HLB, it’s thought to be triggered by the underlying bacterial infection causing the disease. University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) plant pathologist Nabil Killiny conducted a study … Read More

Grapefruit Juice Demand Is Strong

Ernie NeffGrapefruit

There were numerous reports in 2020 about the significant increase in consumer demand for orange juice (OJ) at the retail level during the COVID-19 pandemic. But Florida Department of Citrus economist Marisa Zansler recently reported that “the same can be said about the significant increases in sales volumes of other citrus products … Notably, within the retail fruit juice category, … Read More

Flowering Intensity, Shoot Dieback and HLB

Tacy CalliesHLB Management

Citrus trees grown in Florida continuously undergo various types and levels of stress. Stressors can include severe weather conditions, soil pH, chemicals, pests and diseases. The constant presence of HLB and psyllid infestation adds further stress to the tree, compromising overall tree health. Off-season flowering and prolonged flowering are common responses of trees when undergoing various stress conditions. Off-season and … Read More

Choosing a Lemon Rootstock

Tacy Callieslemons, Rootstocks

By Kim D. Bowman Lemons are a relatively small part of the Florida citrus crop. But with more than 317,000 lemon trees propagated in Florida nurseries over the past two years, lemons are clearly gaining increasing interest from growers trying to find a crop that is easier to grow and with a quick return on investment. As is the case … Read More

New Year’s Resolutions for 2021

Tacy CalliesTip of the Week

By Ruth Borger It is time for a new year, and many of us cannot see 2020 end fast enough. It is almost time for 2021, and there is a lot to be hopeful for. New vaccines to fight the coronavirus hold great potential for beating the pandemic. U.S. citrus sales so far this season continue to show strong performance. … Read More

Growing Citrus Trees With Oak Mulch

Ernie NeffHLB Management

Lukas Hallman, a graduate student at the Indian River Research and Education Center (IRREC), is doing research to find what is in oak trees that apparently helps citrus cope with HLB. The University of Florida Institute of Food and Agricultural Sciences operates the IRREC. “Anecdotal reports from Florida growers claim that citrus trees growing within the drip line of large … Read More

Sneak Peek: January 2021 Citrus Industry

Tacy CalliesSneak Peek

Now is the time of year for gifting fresh citrus to family and friends to enjoy. Unfortunately, people are not the only ones who enjoy eating citrus. Numerous pests can be found feasting on various plant parts in the grove. Keeping pests under control is the theme of the January issue of Citrus Industry magazine. Of course, the most concerning … Read More

Update on CRISPR Research for Citrus Improvement

Tacy CalliesBreeding

By Nian Wang, Fred Gmitter and Manjul Dutt Nearly all commercially important citrus types — oranges, grapefruits etc. — have originated by mutations that have accumulated over several hundreds to thousands of years, from what once was an original, individual sweet orange tree and a single grapefruit tree. The many different cultivars that we know today are descended from those … Read More

FDOC Promotion of OJ Benefits Growers

Tacy CalliesMarketing, Orange Juice

The Florida Department of Citrus (FDOC) e-commerce campaign to drive sales of 100 percent Florida orange juice (OJ) is nearing the halfway mark and continues to deliver strong results. As of Dec. 18, the e-commerce campaign reached 150 million impressions and $4.2 million in attributed sales of 100 percent OJ with a return on advertising spend of $5.45. Additionally, the … Read More

Freeze-Dried Fruit Market to Surge

Ernie NeffMarket

A new study by a market research and consulting firm has projected the freeze-dried fruits (FDF) market will rise at a positive rate through 2030. Some of the key takeaways from the Future Market Insights report are: Increasing demand for whole FDF is expected to propel growth in the coming years. Orchard and citrus fruits such as kiwi, pear, peach … Read More

Training Veterans for Agriculture Jobs

Ernie NeffEducation, Industry News Release

Veterans Florida is working with the University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) to prepare former military personnel for jobs in agriculture. The organization has received a three-year, $745,000 grant from the U.S. Department of Agriculture to fund the Veterans Florida Agriculture Program (VFAP) in partnership with UF/IFAS. The program is a six-month paid fellowship designed to … Read More