Southeastern Ornamental Horticulture Production and Integrated Pest Management

News alerts and tips from Southeastern universities.

Foliar Absorption of Nutrients Learning Module

It is so refreshing to see companies doing great things to educate growers! Harrell’s LLC has a tradition of doing this and the following product is a wonderful example of that.

Thanks to Harrell’s LLC for allowing us to re-post.

Welcome to the Foliar Absorption of Nutrients Learning Module

This learning module explains how plants absorb liquid nutrients through their foliage, and how to maximize uptake in your nutritional spray program.

Enter Here

Let’s not forget 2007…

The forecast is eerily reminiscent of 2007. Let’s not forget that the last frost date for north GA is a month out! Please consider the prospect of a late freeze when considering if you should remove cold frame covering. I wouldn’t do it until April 10…


USDA adds seven (7) Georgia counties to the Emerald Ash Borer Quarantine Area

On February 22, 2016 The USDA Animal and Plant Health Inspection Service (APHIS) added Barrow, Cherokee, Douglas, Fannin, Habersham, Murray, and White Counties in Georgia to the list of regulated areas for the Emerald Ash Borer (EAB). The Federal Quarantine specifically regulates the interstate movement of EAB-host wood and wood products from the quarantined areas in Georgia including firewood of all hardwood species, nursery stock, green lumber, waste, compost, and chips of ash species.


There are now 19 Georgia counties under the EAB Regulatory Quarantine. See The Georgia Forestry Commission or Georgia Department of Agriculture website for a map and list of the regulated Georgia counties and for information about EAB identification, damage symptoms, photographs, life cycle and quarantine regulations.


The Emerald Ash Borer (EAB) is a non-native and highly invasive insect that has killed tens of millions of ash trees in 25 states and in Canada since it was first discovered near Detroit, Michigan in 2002.  It is thought that EAB was accidently introduced into the U.S. from Southeast Asia in infested shipping containers and materials. EAB kills both vigorously growing and weakened ash trees.

The American Chestnut Foundation – Georgia Chapter Meeting

Meeting Description
The GA-TACF annual meeting is an exciting opporunity to learn more about American chestnut restoration research in Georgia and national restoration efforts! Attendees will hear research presentations from Georgia scientists as well as from nationally recognized plant geneticist William Powell, who leads ground-breaking transgenic work with blight-resistant chestnuts at SUNY College of Environmental Science and Forestry. Also, attendees will tour laboratory and horticultural facilities involved in chestnut research at the University of Georgia. It is free to attend the meeting, and box lunches will be available to attendeeds for $7.
Please let us know if you can attend by RSVP-ing on our Eventbrite page by March 26th! Also, if you plan to purchase a box lunch, please select your sandwich preference when you register!
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Meeting Schedule
Warnell School of Forestry
9:00 – 9:30 Arrive, sign in, coffee, pay for lunch
9:30 – 10:00 Convene & membership meeting, Mark Stoakes
10:00 – 10:10 Welcome address, Dean Green
10:10 – 10:30 Update on breeding program, Martin Cipollini
10:30 – 10:35 American chestnut remaining in the wild, Nathan Klaus
10:35 – 11:15 Keynote address & presentation, Bill Powell
11:15 – 12:30 Embryogenesis & clonal propagation presentation and lab tour, Scott Merkle
12:30 – 1:30 Lunch; depart for Watkinsville Horticultural Research Farm
Watkinsville Hort Research Farm
2:00 – ~3:30 Tour Hort Farm backcross orchard, Ryan McNeil
Meeting Location Map
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Have a question? Email us at
Saturday, April 9, 2016 from 9:00 AM to 3:30 PM (EDT) – Add to Calendar
Warnell School of Forestry and Natural Resources, University of Georgia – 180 E. Green St.. Building 1, Room 304. Athens, GA 30602 – View Map

Scouting Those Plug Trays Is Essential!

After seeing insect and disease issues very early this season, it would be timely to review scouting plug trays. A good program can reduce your costs, losses and headaches significantly. Co-authors Dr. Jean Woodward and Dr. Paul Thomas explain how to approach this methodology.

See the full article HERE.

Changes to the Worker Protection Standard

by Joseph LaForest

I  thought that many of you may be interested in recent changes to the Worker protection Standard.  EPA put out a good comparison chart which is in the PDF.

  Here are what they list as the major revisions include

  • Annual mandatory training to inform farmworkers on the required protections afforded to them. Currently, training is only once every 5 years.
  • Expanded training includes instructions to reduce take-home exposure from pesticides on work clothing and other safety topics.
  • First-time ever minimum age requirement: Children under 18 are prohibited from handling pesticides.
  • Expanded mandatory posting of no-entry signs for the most hazardous pesticides. The signs prohibit entry into pesticide-treated fields until residues decline to a safe level.
  • New no-entry application-exclusion zones up to 100 feet surrounding pesticide application equipment will protect workers and others from exposure to pesticide overspray.
  • Requirement to provide more than one way for farmworkers and their representatives to gain access to pesticide application information and safety data sheets – centrally-posted, or by requesting records.
  • Mandatory record-keeping to improve states’ ability to follow up on pesticide violations and enforce compliance. Records of application-specific pesticide information, as well as farmworker training, must be kept for two years.
  • Anti-retaliation provisions are comparable to Department of Labor’s (DOL).
  • Changes in personal protective equipment will be consistent with DOL’s standards for ensuring respirators are effective, including fit test, medical evaluation and training.
  • Specific amounts of water to be used for routine washing, emergency eye flushing and other decontamination, including eye wash systems for handlers at pesticide mixing/loading sites.
  • Continue the exemption for farm owners and their immediate families with an expanded definition of immediate family.


Pruning Workshop – Feb 24 – UGA Griffin Campus, Griffin, GA

Back by Popular Demand! 

Our pruning program will cover the A-Z of proper pruning techniques for all of your ornamentals and will briefly cover pruning fruit trees. Equipment selection and care will be addressed in detail. We will also cover the when, where, and how’s to prune certain plants and different techniques for creating a professional looking landscape. We will also spend some time addressing pest prevention through proper pruning procedures. The class will consist of both indoor lectures and outside hands-on demonstrations. Please dress warmly for the outside portion. Refreshments and lunch are included in program. Bob Westerfield and Bodie Pennisi, UGA Horticulturists, will be the program speakers.  Pre-registration required.


Wednesday, February 24, 2016


9:00 a.m. – 3:00 p.m.


UGA Griffin Campus, Student Learning Center, Room 105, 1109 Experiment Street Griffin, GA 30223


$59.00 – Refreshments, lunch and handouts included

Registration: Pre-registration required. To register with a credit card, please visit us online.

To register with cash or check, please contact Beth Horne at 770-228-7214 or by email at

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