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Insects

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Displaying 201 - 210 of 290 resources

Aspen Leaf Blotch Miner

Management - How to control this insect Leaf miner control (the use of insecticides) is usually not necessary on aspen or poplars. The damage is aesthetic damage and generally does not cause branch dieback or tree failure. Healthy plants can recover from heavy defoliation. Research shows that plants under environmental stress are more susceptible to leaf miner so keep plants in good health.

Jun 2018 | Online resource

What are those 'worms' in my firewood?

You may have encountered white, segmented “worms” or grubs when chopping firewood and wondered what they were. Common questions include, did they kill my tree? And are they a danger to other trees? The quick answers are no, and no.

Jun 2018 | Article

Know Your Forest - Forest Health

Maintaining a healthy forest is an important objective for most forestland owners.

May 2018 | Online resource

Know Your Forest Learning Library

Looking for practical information about managing your forestland? You’ve come to the right place. We’ve put together an extensive library of resources to help you reach your goals.

May 2018 | Online resource

How to Manage Your Forest - Module 2: Management Practices

Learn practical, research-based skills and techniques covering a wide array of valuable forest management topics that will help you achieve your goals and objectives.

Bob Parker, Steve Bowers, Tristan Huff, Stephen Fitzgerald, Paul Adams, Paul Oester, Dave Shaw, Fran Cafferata Coe, Julie Woodward, Nicole Strong | May 2018 | Video Peer reviewed (Gray level)

How to Manage Your Forest - Module 1: Silviculture

Our first online training module covers Silviculture, or the art and science of managing forests to achieve your objectives, with nine sections to view.

Glenn Ahrens, Bob Parker, Paul Oester, Stephen Fitzgerald | May 2018 | Video Peer reviewed (Gray level)

Current Season HAREC Pest Trap Results

This interactive web map was designed to facilitate the visualization of pest distribution in the areas of Umatilla-Morrow counties (starting May), and Union-Baker counties (starting June).

Silvia I. Rondon | May 2018 | Online resource

Month by Month Pest Alert

Plant problems caused by insects and other arthropods, diseases and non-pathogenic conditions from samples brought to the Oregon State University Plant Pathology Clinic each month.

May 2018 | Online resource

Aphids

An online resource regarding pest management with Aphids. This resource describes the damage aphids can do to plants and how to prevent this from happening.

May 2018 | Online resource

Sustainable Hazelnut Production: Filbertworm Control by Mating Disruption

Filbertworm is the insect pest of greatest economic importance in Oregon hazelnut production. This publication explains how to Implement mating disruption as a strategy that will reduce damage caused by filbertworm ...

Betsey Miller, Daniel Dalton, Linda Brewer, Vaughn Walton | May 2018 | Extension Catalog publication Peer reviewed (Orange level)