citrus tree News
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Researchers use steam to treat citrus greening
University of Florida researchers are turning to the old-fashioned method of steaming to help treat citrus greening, a disease devastating citrus trees throughout Florida. Reza Ehsani and his UF Institute of Food and Agricultural Sciences colleagues are tenting and then enveloping trees in steam that is 136 degrees Fahrenheit for about 30 seconds in an attempt to kill the citrus greening ...
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Treating citrus greening with copper: Effects on trees, soils
Citrus greening is a major challenge for Florida growers. The disease destroys the production, appearance, and economic value of citrus trees and their fruit. Trees decline and die within three years. Researchers at the University of Florida and other institutions are searching for cures and treatments to reduce citrus greening effects. The “Influence of Foliar Copper Application Rate on ...
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Updated Florida Citrus Rootstock Selection Guide available July 20, 2015
The 3rd edition of the Florida Citrus Rootstock Selection Guide is now available. The updated guide is a convenient, easy-to-use reference to 20 characteristics of 45 rootstocks. It highlights 21 recently released rootstocks, some of which show reduced citrus greening incidence in early field trials. Of the 45 rootstocks, 12 are time-honored commercial ones, 12 are minor commercial ones that are ...
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UF/IFAS researchers use steam to treat citrus greening
University of Florida researchers are turning to the old-fashioned method of steaming to help treat citrus greening, a disease devastating citrus trees throughout Florida. Reza Ehsani and his UF Institute of Food and Agricultural Sciences colleagues are tenting and then enveloping trees in steam that is 136 degrees Fahrenheit for about 30 seconds in an attempt to kill the citrus greening ...
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Florida citrus growers: 80 percent of trees infected by greening
Florida’s citrus growers say as much as 90 percent of their acreage and 80 percent of their trees are infected by the deadly greening disease, which is making a huge dent in the state’s $10.7 billion citrus industry, a new University of Florida Institute of Food and Agricultural Sciences survey shows. The survey, conducted in March 2015, shows the first grower-based estimates of both ...
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Need to know what to spray on citrus trees to keep bugs at bay? There’s an app for that
Florida has nearly 70 million citrus trees on more than 531,500 acres. Now imagine trying to figure out what pesticide to spray on each of those trees to keep them safe from citrus greening. University of Florida researcher James Tansey says the answer is as close as your Android smartphone with a new app developed with ZedX, an information technologies company based in Pennsylvania. The free ...
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The Coca-Cola Co. donates additional $1.5 Million to UF/IFAS to fight citrus greening
The University of Florida Foundation today announced a second gift of $1.5 million from The Coca-Cola Co. in support of long-term research aimed at preventing a widespread disease that affects crops in Florida’s $9 billion citrus industry. The contribution, to be distributed in $500,000 increments during the next three years, will be used to fund sustainable research programs managed by ...
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Semios Receives EPA Approval to Combat Difficult Citrus Pest
Semios is pleased to announce it has received Environmental Protection Agency (EPA) and California Department of Pest Regulation (DPR) approval for CRS Plus, an aerosol pheromone biopesticide product that disrupts the mating of Aonidiella aurantii, also known as California Red Scale (CRS). CRS attacks all aerial parts of citrus trees including twigs, leaves, branches, and, most importantly, the ...
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Citrus industry set to welcome state-of-the-art greenhouse at Mid-Florida REC in Apopka
The citrus industry has just gotten its own state-of-the-art greenhouse, dedicated solely to citrus nursery research as the state continues its fight against citrus greening – and industry and research officials are set to celebrate the gift March 25. The $200,000 facility is located at the University of Florida’s Mid-Florida Research and Education Center in Apopka. Officials say it ...
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Microscopic molecules can fight citrus greening bug with less insecticides
Researchers with the University of Florida and several other institutions have found a way in laboratory tests to use 200 times less insecticide and yet still kill as many insects that carry the devastating citrus greening bacterium. It is a step forward in ridding groves of the insect that is threatening to destroy Florida’s $10.7 billion citrus industry. Lukasz Stelinski, an associate ...
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Marrone Bio Innovations` Regalia Biofungicide Included in Fungicide Resistance Action Committee`s 2012 Code List
Marrone Bio Innovations Inc. (MBI), a leading global provider of natural products for the agricultural and water treatment markets, announced today that the active ingredient in its Regalia® biofungicide, Reynoutria sachalinensis, has been included in the Fungicide Resistance Action Committee's (FRAC) 2012 code list, following an extensive technical review. FRAC, a technical group of CropLife ...
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UF/IFAS method detects 83% of immature citrus; helping cut costs
GAINESVILLE, Fla. — University of Florida Institute of Food and Agricultural Sciences researchers have found a new way to detect immature citrus 83 percent of the time, which lets growers know where to apply fertilizer and water and perhaps save on labor costs for the $10.9 billion a year Florida industry. By detecting green, immature citrus more accurately and efficiently, growers can ...
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Star fruit could be the new “star” of Florida agriculture
It’s not just oranges that grow in Florida. Carambola, or star fruit as most in the United States call it, is gaining popularity. One researcher from Florida International University is researching how cover crops can help the sustainability of star fruit farms.“Tropical fruit production has become a prominent practice in Miami-Dade County,” says Ariel Freidenreich. “For ...
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Marrone Bio Innovations Receives Florida State Registration for Dry Formulation of Grandevo™ Bioinsecticide
DAVIS, Calif., June 28, 2012 /PRNewswire/ -- Marrone Bio Innovations, Inc. (MBI), a leading global provider of natural pest management products for the agricultural and water treatment markets, announced today that a new dry formulation of Grandevo™ has been registered by the Florida Department of Environmental Protection (DEP). This registration follows EPA approval of the formulation ...
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Xylella bacteria increasingly affecting olive trees in Southern Europe
EU-wide emergency measures came into force on 19 May to deal with the bacterium Xylella fastidiosa, the cause of a devastating disease in various plants including olive trees in Italy. Xylella fastidiosa is a quarantine organism in the EU. There are no pesticides for combating this bacterial disease, so reliable detection and diagnostic methods are essential for preventing the spread of the ...
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UF researchers develop effective, inexpensive citrus greening detector
While a commercially available cure for crop-killing citrus greening remains elusive, University of Florida researchers have developed a tool to help growers combat the insidious disease: an efficient, inexpensive and easy-to-use sensor that can quickly detect whether a tree has been infected. That early warning could give growers enough lead time to destroy plagued trees and save the rest. ...
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