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IFAS News

University of Florida

UF/IFAS invasives research facility likely to close

Topic(s): Agriculture, Biocontrols, Economics, Environment, IFAS, Invasive Species, RECs, Research

GAINESVILLE, Fla. — A valuable UF/IFAS program that helps save the state millions of dollars annually in controlling invasive plants and insects will likely close after a veto by Gov. Rick Scott on Monday.

An approved increase by the Legislature of $180,000 was denied, and the facility also lost all funding. The state-of-the-art lab opened in 2004 at the UF/IFAS Indian River Research and Education Center in Fort Pierce with $3.9 million in state funding.

The center will probably close, and 12 positions will be eliminated, said Jack Payne, UF senior vice president for agricultural and natural resources.

The quarantine facility is a highly secure lab where scientists conduct research on biological controls for invasive species. Scientists introduce, evaluate and release biological control agents to try to manage exotic weeds and insect pests in Florida.

Florida has the largest invasive infestations in the nation. Invasive species cost Florida approximately $100 million a year, Payne said. Scientists at the lab helped control the tropical soda apple, an invasive weed, through the release of 250,000 South American beetles. The move saved cattle ranchers about $5.75 million a year, Payne said.

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UF/IFAS Fort Pierce quarantine facility successfully battles invasive species

Topic(s): Agriculture, Biocontrols, Conservation, Crops, Economics, IFAS, Invasive Species, Pests, RECs, Research

Bill Overholt and Jim Cuda.  Innovation Awards Portrait.  UF/IFAS File Photo.

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GAINESVILLE, Fla. — University of Florida officials expressed thanks Monday for the $180,000 increase in the state budget that’s slated for the quarantine research facility at the UF/IFAS Indian River Research and Education Center in Fort Pierce.

With the additional funding, scientists will be able to expand foreign exploration to identify new candidate biological control agents of Florida’s worst invasive plants and insects, and support intensified laboratory studies that are required to ensure agents are safe for release, said Bill Overholt, a UF/IFAS entomology professor who works at the quarantine facility.

With biological control such as one bug eating another, scientists and growers can use a sustainable, cost-effective solution to manage invasive plant and insect problems.

“The facility needs an increase in the amount of operating funds in order to reach its full potential,” said Mary Ann Gosa-Hooks, director of UF/IFAS Government Affairs. “We can do so much more, but with costs continuing to increase, while the facility continues to function on the same budget since 2004, activities are somewhat limited.”

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Barn owls threatened by Africanized bees in South Florida

Topic(s): Agriculture, Biocontrols, Entomology and Nematology, Environment, IFAS, Invasive Species, Pests, RECs
Richard Raid and a barn owl in Belle Glade. Keywords: sugar cane, bio pest control, South Florida, agriculture, bird, wildlife. Photo by Eric Zamora UF/IFAS

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Belle Glade, Fla. — Throughout the past two decades, University of Florida researcher Richard Raid has seen barn owl populations in the Everglades Agricultural Area, centered around Belle Glade, expand from mere dozens to more than 400 nesting pairs.

But these beneficial raptors, currently listed as a threatened species, are now being threatened by Africanized honey bees.  Swarming as frequently as eight times per year, the invasive bees have been taking over nesting boxes Raid and students have built for the owls, using them as hives, and displacing or even killing the desired raptors. (more …)

UF/IFAS study: Tiny wasp controls nuisance whitefly

Topic(s): Agriculture, Biocontrols, Economics, Environment, Pests, Research

WHITE FLIES 051415

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GAINESVILLE, Fla. — A wasp the size of a pin head may control the nuisance Rugose spiraling whitefly, which leaves a sticky white mess that becomes covered in black mold on everything from plants to cars and pools, University of Florida scientists say.

“Although the Rugose spiraling whitefly damages plants, what really gets people worked up is that it’s a huge nuisance because it makes a mess,” said Catharine Mannion, an entomology professor at the UF/IFAS Tropical Research and Education Center in Homestead, Florida. “You get a sooty mold on everything. It’s hard to get pools cleaned. People start chopping their trees down.”

But a new breakthrough shows the tiny wasp encarsia noyesi reduces the population of the Rugose spiraling whitefly, according to a new UF/IFAS-led study funded by the Farm Bill, through the U.S. Department of Agriculture.

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UF/IFAS is all about the bugs during Bug Week 2015, May 18-23

Topic(s): Agriculture, Announcements, Biocontrols, Environment, Families and Consumers, Household Pests, IFAS, Invasive Species, Lawn & Garden, Pests

GAINESVILLE, Fla. — The University of Florida campus is aflutter with activity as it gears up for Bug Week 2015, with various online and campus activities for students of all ages and their families.

“Bugs are serious business in Florida,” said Jack Payne, UF senior vice president for agriculture and natural resources. “Learning about bugs, though, should be fun. That’s why we have Bug Week.”

Bug Week 2015 is scheduled for May 18-23. To get started, check out the Bug Week website at http://bugs.ufl.edu/. UF/IFAS has a number of online resources there to explore including bug photos, feature stories, and the popular “Bug of the Day” and “Bug Word of the Day” items. Citizen science projects – in which anyone can participate – are spotlighted on the website, along with videos about everything from ants and butterflies to spiders and ticks. (more …)

UF/IFAS study: Non-native grass invasion, prescribed fires, deadly ecological combination

Topic(s): Agriculture, Biocontrols, Conservation, Economics, Environment, Forestry, Green Living, Invasive Species, Research

 

INVASIVE BURNS 051115 from Flory

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GAINESVILLE, Fla. — Invasive stiltgrass is bad enough by itself, crowding out native plant and insect species in about 25 eastern U.S. states, including Florida. It can also inhibit tree seedling survival and growth, and it can change the availability of nitrogen in the soil.

In general, invasions of non-native plant species can reduce biodiversity and alter ecosystems. In 2013, 1,585 prescribed fires were used to burn about 290,000 acres in eight eastern U.S. states. Scientists have used prescribed fires to effectively control some invasive plants, but new evidence suggests fires may promote stiltgrass invasions.

If land managers perform prescribed fires — normally used to manage ecosystems and prevent wildfires – in stiltgrass-invaded areas, native trees can be killed by the more intense fires caused by burning stiltgrass, said Luke Flory, an assistant professor of ecology at the University of Florida Institute of Food and Agricultural Sciences.

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UF/IFAS Extension program to control Tropical Soda Apple earns national award

Topic(s): Agriculture, Announcements, Biocontrols, Economics, Environment, Extension, Honors and Appointments, IFAS, Invasive Species

TASBEETLE for web 041415

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GAINESVILLE, Fla. — St. Lucie County ranchers have saved an estimated $850,000 a year, thanks to University of Florida experts who taught them how to release a beetle to eat an invasive plant that normally elbows out valuable cattle forage.

“Using the Tropical Soda Apple beetle has resulted in significant cost savings for ranchers while at the same time protecting the environment by reducing the need to use herbicides,” said St. Lucie County Extension agent Ken Gioeli, part of the UF Institute of Food and Agricultural Sciences.

The program, which uses beetles to biologically control the Tropical Soda Apple (TSA) on St. Lucie County ranches, has won the Association of Natural Resource Extension Professionals National Innovative Program Award. That’s the fourth straight year UF’s St. Lucie County Extension Office has won a national award.

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UF/IFAS scientists find potential biological control for avocado-ravaging disease

Topic(s): Agriculture, Biocontrols, Crops, Economics, Pests, RECs

redbay ambrosia beetle for Steve at UR 120114

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GAINESVILLE, Fla. — University of Florida scientists believe they’ve found what could be the first biological control strategy against laurel wilt, a disease that threatens the state’s $54 million-a-year avocado industry.

Red ambrosia beetles bore holes into healthy avocado trees, bringing with them the pathogen that causes laurel wilt. Growers control the beetles that carry and spread laurel wilt by spraying insecticides on the trees, said Daniel Carrillo, an entomology research assistant professor at the Tropical Research and Education Center in Homestead.

But a team of researchers from the Tropical REC and the Indian River Research and Education Center in Fort Pierce have identified a potential biological control to use against redbay ambrosia beetles that could help growers use less insecticide.

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UF/IFAS researcher finds inexpensive, easy way to filter arsenic from water

Topic(s): Agriculture, Biocontrols, Environment, IFAS, Pollution, Research
UF/IFAS Researcher Bin Gao has developed an inexpensive and easy way to filter arsenic from water.

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GAINESVILLE, Fla. — A University of Florida professor has developed a quick, cheap and easy way to filter from water one of the world’s most common pollutants: arsenic.

Bin Gao’s team used iron-enhanced carbon cooked from hickory chips, called biochar, to remove the toxin. He is an associate professor with the Institute of Food and Agricultural Sciences’ in agricultural and biological engineering. (more …)

UF/IFAS study: Florida’s climate boosts soil-carbon storage, cuts greenhouse emissions

Topic(s): Biocontrols, Conservation, Environment, Forestry, Green Living, IFAS, Pollution

Sabine Grunwald. Associate Professor, Ph.D.  Soil and Water Science.

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GAINESVILLE, Fla. – Warm temperatures and a wet landscape increase soil’s ability to store carbon, which in turn helps mitigate greenhouse gas emissions, according to a new University of Florida study covering 45 years of data.

Soil-stored carbon can slow the build-up of carbon-based gases in the atmosphere, a phenomenon believed to be a cause of global climate change. So it’s vital to preserve soil carbon, said Sabine Grunwald, a UF soil and water science professor who led the research.

“The conservation of the ‘black gold’ below our feet, which is not only a natural part of Florida’s soils but also helps to improve our climate and agricultural production, is a hidden treasure,” said Grunwald, a member of the Institute of Food and Agricultural Sciences faculty. “Soils serve as a natural container to hold carbon that would otherwise be emitted into the atmosphere as greenhouse gases that accelerate global climate change.”

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