Forest Health, Insect, and Disease Briefing

Join us to review the status of Pennsylvania's forest insect and disease problems and important forest health updates and information.
Forest Health, Insect, and Disease Briefing - Workshops
Language: English

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When: Tue., Mar. 19, 2019
(8:30 AM - 3:30 PM)

Where: Penn Stater Hotel and Conference Center
215 Innovation Blvd.
State College, Pennsylvania 16823
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registration deadline: March 11, 2019
11:59 p.m.

Penn State Extension, in partnership with the Pennsylvania Bureau of Forestry, Division of Forest Health, will be holding the Annual Forest Health, Insect, and Disease Briefing to review the status of Pennsylvania’s forest insect and disease problems and provide important forest health updates and information.

Who Should Attend?

This meeting is designed specifically for forestry and other natural resource management professionals.

Professional Development

This meeting is approved for Pennsylvania pesticide recertification credits, both category and core. It has also been approved for Society of American Foresters Continuing Forestry Education credits as well as International Society of Arboriculture Continuing Education Units and Sustainable Forestry Initiative Training Units.

What to Bring

Participants are asked to bring their pesticide applicators ID number, SAF Certified Forester number, and/or ISA Arborist Certification number if they are signing up to receive continuing education credits.

Who is this for?

This meeting is designed specifically for forestry and other natural resource management professionals.


Tuesday, March 19, 2019

07:30 am Registration / Coffee / Refreshments / Fellowship

08:30 am Optional Pesticide Credit Core Topic Instructional Session The Greening of Arboriculture: History of Pesticides
The history of pesticide use is almost as long as human history, as people sought remedies for such things as body lice and crop loss. The materials found thousands of years ago remained in use until recent decades, and a few are still used. The arrival of our first major invasive pest, the gypsy moth, and two world wars, created the motivation and opportunity to develop new chemistries, such as DDT. Since then, changes have been frequent and dramatic, with changes in public attitudes, improved regulations, and new approaches to pest management, like IPM and beneficial insect and disease releases. The future should produce even greater advances, with manipulation of plants and pests at the molecular level.

09:30 am Break

10:00 am Welcome

10:05 am Tree Resistance and Tolerance: Invasions, the Importance of Resistance Development, and Case Studies Tree pest invasions cost millions of dollars, annually, and can have major ecological consequences in both natural and urban systems. In this talk, we will discuss historical and contemporary invasions, the routes of invasions, and what controls pest populations. The ecological significance of tree resistance to pests and the critical importance of the development of resistance as a management tool, especially in forest systems will be emphasized. Historical invasions, such as gypsy moth and hemlock woolly adelgid, as well as more contemporary invasions, such as emerald ash borer and spotted lanternfly, will be used as examples of the potentially paramount role of tree resistance as a management tool.

10:45 am Glyphosate: The World’s Most Controversial Herbicide Reports about the harmful effects of glyphosate continue to be in the news. Whether it is toxicity to frogs, cancer in rats, or potentially carcinogenic effects in humans, this world-leading herbicide is commonly discussed. In this presentation we will review these claims and discuss the strength of the science. We will also frame these claims in a proper context to help us understand glyphosate and whether it has a future in our society.

11:30 am Ecosystem Engineers: Shaping Healthy Forests in the Face of Multiple Stressors Emerging science reveals that meeting the full breeding cycle needs of many forests birds cannot be achieved through simply maintaining homogenous forest conditions on the landscape. Creating appropriate, diverse forest ages and structural conditions to support breeding birds requires the use of multiple techniques, including strategic timber harvesting and actively controlling stressors, such as insect pests, tree diseases, invasive plants, and over-browsing by white-tailed deer. The goal is to create a dynamic mosaic of forest ages and structural conditions over landscape and regional scales. Audubon’s Healthy Forest Initiative seeks to create desired, healthy forest conditions through landscape-scale decision support, management planning, forester training, landowner outreach, and sustainable markets. This presentation will have special emphasis on the impacts of deer by reporting on new findings from a statewide analysis of deer and bird population dynamics during the past 37 years.

12:15 pm Lunch (provided) / Fellowship

01:30 pm Forest Adaptation for Pennsylvania Woodland Owners and Managers The Adaptation Workbook is a product of the Climate Change Response Framework, which supports efforts by land managers to implement adaptive responses to climate change impacts. The Adaptation Workbook is a structured process to consider the potential effects of climate change on forest ecosystems and design forest management and conservation actions that can help prepare for changing conditions. The process is completely flexible to accommodate a wide variety of geographic locations, scales, forest types, management goals, and ownership types. The Workbook consists of 5 basic steps: 1) Define goals and objectives; 2) Assess climate impacts and vulnerabilities; 3) Evaluate objectives considering climate impacts; 4) Identify adaptation approaches and tactics for implementation; and 5) Monitor effectiveness of implemented actions. This presentation will highlight the steps of the Adaptation Workbook and present case studies of how it has been used by a handful of land owners and managers in Pennsylvania to develop adaptation tactics.

02:00 pm Spotted Lanternfly (Lycorma delicatula) Research Update A new invasive pest, the Spotted Lanternfly, is expanding its range in Pennsylvania. Julie will provide an update on the scientific research that is being conducted to increase our understanding about how the insect behaves and what management methods might be effective. Communities suffering from lanternfly infestations are searching for answers, and feeling overwhelmed by the enormity of the problem. It is vital to our economy and our ecology that researchers find answers to help stop invasive insects like spotted lanternfly.

02:30 pm Pennsylvania Insect and Disease Update Tim will discuss the status of primary insects and diseases impacting Pennsylvania's forests. This includes gypsy moth (and other spring defoliators), hemlock woolly adelgid, emerald ash borer, thousand canker disease, and others. He will also address the Bureau's suppression, treatment, and monitoring programs as they apply to the various pests discussed.

03:15 pm Wrap-Up / Evaluation / Credits


Silviculture Forest Ecology Forest Vegetation Management Invasive Plants

More by Kimberly Bohn, Ph.D. 

Jason Ferrell

Neil Hendrickson

Patricia Leopold

Timothy Marasco

Chad Rigsby

Ron Rohrbaugh

Julie Urban


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