There are good reasons glyphosate is the most popular herbicide in U.S. citrus groves, but there are also concerns about its use, says Ramdas Kanissery. Because of the concerns, the University of Florida Institute of Food and Agricultural Sciences weed scientist suggests alternatives that growers can consider. Kanissery discusses glyphosate and its alternatives in a presentation originally intended for the …
State of the Lemon Industry in the European Union
The European Union (EU) lemon crop forecast for 2019-20 decreased 16 percent from the previous season, to 1.471 million metric tons, the U.S. Department of Agriculture’s Foreign Agricultural Service (FAS) recently reported. The FAS also provided an overview of the EU lemon industry. The overall decline is due to the expected strong production drop in Spain and Italy, the largest …
FFVA Seeking Young Leaders
The Florida Fruit & Vegetable Association (FFVA) is accepting applications for Class 10 of its Emerging Leader Development Program. The submission deadline is Sept. 1. Launched in 2011, the program develops leaders to be strong advocates for Florida agriculture. Nearly 100 participants have graduated from the program. Ultimately, graduates of the class can get involved to strengthen the future of …
Florida Grapefruit Decline in Final Forecast
The U.S. Department of Agriculture released the final citrus crop forecast of the 2019-20 season on July 10. The only monthly change in Florida was in the grapefruit crop, which dipped slightly. Here’s a summary of the season’s production by variety and state: ORANGESThe Florida all-orange forecast remained unchanged at 67.65 million boxes, but is down 6 percent from last …
Massive Research Project in Millennium Block
Researchers at the resurrected Millennium Block at Fort Pierce will assess the performance of new grapefruit cultivars and evaluate numerous rootstocks in the face of HLB. University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researcher Rhuanito “Johnny” Ferrarezi discusses the history of the block and research planned there. The block is called Millennium because some researchers planted variety …
Rootstock Effects on Valencia and Hamlin in Large-Scale Commercial Plantings
By Ute Albrecht, Sudip Kunwar and Jude Grosser Prior to 1865, the only rootstocks used in Florida were sour orange and sweet orange. Use of grafted trees instead of seedling trees became necessary because of the devastating effects of phytophthora on sweet orange. Sour orange was widely used as a rootstock because of its resistance to phytophthora and other positive …
UCR Scientists Say New Peptide Could Control HLB
According to a news article released by the University of California Riverside (UCR), scientists there have found a substance which may be capable of controlling citrus greening disease. The disease, also known as huanglongbing (HLB), has devastated citrus in Florida and in other regions worldwide. It also threatens California crops. The article says the new treatment effectively kills the bacterium …
Protect Outdoor Workers From Heat Illness
California’s Division of Occupational Safety and Health (Cal/OSHA) reminds all employers to protect outdoor workers from heat illness and to monitor high temperature advisories and warnings in their region. California’s heat illness prevention standard applies to all outdoor workers, including those in agriculture, construction and landscaping. Other workers protected by the standard include those that spend a significant amount of …
The Ins and Outs of Tango
The relatively mild winter conditions over the last two decades have led to a resurgence of interest in cold-hardy citrus in Florida. Growers were looking for a low-seeded citrus variety that was sweet, easy to peel and had moderate cold tolerance. In 2009, the first Florida nurseries were licensed to grow Tango, a low-seeded (less than five seeds per fruit …
Psyllids May Give a Year’s Warning of HLB
Although huanglongbing (HLB) disease was detected in Florida citrus in 2005, the HLB bacterium wasn’t found in Texas until 2011, when scientists detected it in Asian citrus psyllids (ACP). The disease wasn’t found in Texas citrus trees until 2012, suggesting that the HLB-spreading psyllids may be used for early detection of the pathogen in newly invaded areas. Factors influencing the spread …
Coming Attraction: Florida Finger Limes
Sweet oranges. Ruby red grapefruit. Sugar Belle mandarins. When one thinks of Florida citrus, these fruits immediately come to mind. But finger limes? A University of Florida Institute of Food and Agricultural Sciences (UF/IFAS) researcher believes that finger limes may be the next food trend that will continue to fortify Florida’s role as a citrus producer for the world. Manjul …
Lemons Hit Hard by COVID-19 Losses
Lemon growers are seeing good production this year, but the market for choice lemons has been ruined by COVID-19 food-service industry losses. “We’ve seen 20 to 25 percent decrease in fruit movement, and that’s mainly attributable to the decline in the food-service industry,” according to Ventura County lemon grower Will Pidduck. Ironically, it is otherwise a good year for lemons …
Watch Out for Invasive Species
By Clint Thompson April is Invasive Plant Pest and Disease Awareness Month, and the United States Department of Agriculture (USDA) wants help in identifying invasive species that threaten the food supply and cause plant diseases. Samantha Simon, USDA’s executive director of emergency and domestic programs, says invasive species can threaten agriculture and many farming operations, especially in the Southeast. She …
Florida Sees Dips in Orange and Grapefruit Forecasts
The 2019–20 Florida all-orange forecast released on April 9 by the U.S. Department of Agriculture is 70 million boxes, down 1 million boxes from the March forecast. This represents a 1 percent decrease in the expected orange crop size. Non-Valencia Oranges The forecast for Florida non-Valencia orange production is unchanged at 30 million boxes. The non-Valencia harvest is about over …
CDFA’s Year in Review
The mission of the California Department of Food and Agriculture (CDFA) is to promote and protect the food supply, enhance trade and protect the environment. The agency annually provides information on the steps it takes to fulfill its mission goals. In such a diverse and highly populated state, the challenges are great. Much of the growing regions are geographic islands …
Food-Safety Marathon: Keeping Up With the Produce Safety Rule
By Travis Chapin, Matt Krug and Michelle Danyluk It’s been four years since the final Produce Safety Rule (PSR) was published in the Federal Register. The further we get into implementation of the PSR, the more it really seems like a marathon and not a sprint. By January 2020, all operations covered under the PSR should be complying with applicable …
Bayer-CRDF HLB Effort Updated
The Citrus Research and Development Foundation (CRDF) in 2017 agreed to partner with Bayer Crop Science for three years in an effort to develop new technologies to combat HLB. On Dec. 3, a Bayer representative provided a progress update to the CRDF board of directors. CRDF Chief Operating Officer Rick Dantzler discusses the history and possible future of the endeavor. …
Reintroducing White Grapefruit to the U.S. Market
(IMG) — IMG Citrus, a family-owned, vertically integrated citrus grower, packer and shipper in Vero Beach, Florida, is reintroducing white grapefruit to the U.S. market. Most white grapefruit is exported directly from the United States to its primary market in Japan, where it maintains consistently high popularity. However, IMG Citrus will be expanding its white grapefruit consumer base to the …
New Grapefruit Rootstock, Scion Experiment
The world’s peerless grapefruit grows in the Indian River Citrus District. Balanced with sugar and tart, and a thin rind for easy peeling, the fruit is sold mostly for export to European and Asian markets, where it is a high-price delicacy. But the once-thriving industry is in decline, and a plant pathogen is present in all of the state’s grapefruit …
Orange Production Up Slightly From June Forecast
ORANGESThe 2018–2019 Florida all-orange forecast released by Mark Hudson of the U.S. Department of Agriculture (USDA) is now 71.6 million boxes. The total is comprised of 30.4 million boxes of non-Valencia oranges (early, mid-season and Navel varieties), unchanged from the June forecast, and 41.2 million boxes of Valencia oranges, up 200,000 boxes from last month. California non-Valencia oranges remained at …





























