Tree and woodland health
Missouri citizens own about 85 percent of the state's 15 million forested acres.Learn more
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Event date: Oct. 1, 2020 - Dec. 18, 2020
Grow your skills with University of Missouri Extension short courses. All participants will gain applicable skills in this series' diverse topics. All courses are one hour long. Courses will be online via Zoom, unless otherwise specified. Select ...
Event date: Oct. 6, 2020 - Oct. 27, 2020
Grab your lunch and join us at the computer for conversation to help you have healthier forests and wildlife on your property!October 6th – All About Birds! Join us to learn how to ID birds that will be migrating through and ones that you might see ...
News & articles
- Published: Thursday, Jan. 31, 2019
COLUMBIA, Mo. – This winter’s snow and ice took its toll on trees. Proper pruning now, followed by extra care in the growing season, gives trees a chance to grow back strong and healthy, says University of Missouri Extension horticulturist ...
Publication date: May 1, 2018
Emerald ash borer (Agrilus planipennis) is an exotic, invasive, wood-boring insect that infests and kills native North American ash trees, both in forests and landscape plantings. Just like the Dutch elm disease that killed our native American elm ...
Publication date: Oct. 1, 2012
Adult Asian chestnut gall wasp.Photo: Gyorgy Csoka, Hungary Forest Research Institute, Bugwood.org Distribution and hostsThe gall wasp, Dryocosumus kuriphilus Yasumatsu, was introduced into North America in 1974 on imported chestnut cuttings. A ...
Gypsy moth (Lymantria dispar) is a destructive, exotic forest pest that was accidentally introduced into the United States in 1869 by a man hoping to mate them with silkworms to create a hardier, more productive silk-bearer. When some of his gypsy ...
In addition to all of the nonnative, invasive tree pests challenging the health of Missouri’s trees, there are several native insects and diseases that can cause serious harm. Although we cannot eradicate these pests from our natural ecosystems, it ...
The pine shoot beetle (Tomicus piniperda) attacks new shoots of pine trees, which stunts the growth of the trees. The pine shoot beetle (PSB) might also attack stressed pine trees by breeding under the bark at the base of the trees. The beetles can ...
This Missouri Department of Conservation reference provides science-based guidance to help professional foresters, private land managers and forest landowners improve and sustain Missouri’s forests.
This video from Purdue University Extension describes how homeowners can use certain pesticide products for protecting ash trees against emerald ash borer.
A 36-page PDF from the Northeast Forest Resources Extension Council Series that addresses planning and conducting a timber harvest to minimize the disruptive effects of cutting and removing trees on a forest.
Find out more about the Asian longhorned beetle on the U.S. Department of Agriculture's Animal and Plant Health Inspection Service website.