1. Topics
  2. Pests, weeds and diseases

Integrated pest management

Photo: Stephen Ward (Cropped from original)

Browse resources

Displaying 21 - 30 of 202 resources

How to control Sclerotinia and Botrytis diseases in hemp

Hemp canker and gray mold management includes cultural control practices to improve air circulation and minimize leaf wetness. Proper plant spacing, plant pruning and irrigation timing help accomplish this. If Sclerotinia is detected,...

Cynthia M. Ocamb | Sep 2023 | Article

Biological pesticide shows potential for controlling corn earworm

Study suggests the biological pesticide Gemstar LC helps control corn earworm in hemp plants.

Alison Merkle, Govinda Shrestha | Sep 2023 | Article

How can I prevent a termite infestation?

Q: Our landlord asked us if we would do termite treatment on our house. Since we don’t have experience with termites, we weren’t sure what our responsibility would be, as renters. Additionally, my partner works with wood a ...

A: View answer | View all featured questions

Aspergillus Workshop

OSU Extension hosted Aspergillus Workshop on August 24, 2023. Recordings and presentation PDFs are linked below. Biology and Ecology of Aspergillus species Dr. Cynthia Ocamb, Associate Professor and Extension Plant Pathology Specialist,...

Govinda Shrestha, Cynthia M. Ocamb, Qingyang Wang | Aug 2023 | Article

Biocontrol: Natural Enemies of Key Pests of Hazelnuts in Oregon

Biocontrol, also known as biological control, uses living organisms to help control pest populations. Biocontrol is a key part of any IPM plan. Learn about some of the key pests in hazelnut orchards and the tiny friends of the orchard that consume them.

Chris Hedstrom, Nik Wiman, Heather Andrews, Adeetje Bouma, Matt Pedersen | Aug 2023 | Video Peer reviewed (Gray level)

Treatments for bronze birch borer?

Q: I had an arborist out because one of my birch trees had died and needed removal. He said it was the bronze birch beetle and that it was beginning to affect a second birch. He said it could be treated with a ...

A: View answer | View all featured questions

Rattail Fescue: Biology and Management in Pacific Northwest Wheat Cropping Systems

Mitigating rattail fescue has become easier: this publication addresses this increasingly common weed in Pacific Northwest cropping systems.

Drew J. Lyon, Daniel A. Ball | Jul 2023 | Extension Catalog publication Peer reviewed (Orange level)

Pest management schedule for backyard cherry trees in Eastern Oregon

This document outlines a suggested management schedule for the most common insect pests and diseases of cherry trees in Eastern Oregon.

Cody Copp | Jul 2023 | Publication Peer reviewed (Gray level)

Which herbicides should I use on poison oak?

Q: I am dealing with poison oak growing in a stand of trees: Douglas firs, big-leaf maple saplings, and others. I have tried manual control and was unsuccessful. What would be the safest topical herbicide to apply to the leaves and stems while minimizing damage to the surrounding trees?

A: View answer | View all featured questions

How to minimize crop loss in hemp from beet leafhopper and beet curly top virus

How to reduce hemp crop losses to beet curly top virus.

Govinda Shrestha, Cynthia M. Ocamb | Jul 2023 | Article