Rory Mc Donnell

Assistant Professor

[email protected]

Department/Unit: Crop and Soil Science - Crops Unit

Content by Rory Mc Donnell

How to create a slug trap using bread dough slurry

This tutorial walks you through the steps and ingredients needed to create a slug trap using bread dough as an attractant. The steps shown here are an interpretation of the OSU field research, made approachable for a home ...

LeAnn Locher, Rory Mc Donnell | Jun 2024 | Educational gallery Peer reviewed (Gray level)

Slug chat with OSU slug expert Rory McDonnell

Watch the 45-minute lunchtime SLUG CHAT with Associate Professor and Primary Investigator of OSU’s Invertebrate Crop Pest Lab, Rory McDonnell. Dr. McDonnell’s work focuses on understanding the ecology of invasive slugs and snails,...

LeAnn Locher, Rory Mc Donnell | May 2024 | Video

Can essential oils control slugs?

Q: I've heard essential oils may be useful in keeping slugs away from my plants and vegetables. Is this true?

A: View answer | View all featured questions

OSU research finds slugs go 'bonkers' for bread dough

Slugs – which damage both agricultural crops and gardens – are highly attracted to bread dough, meaning that the simple food could be used as a nontoxic bait for trapping the pests.

Rory Mc Donnell | Nov 2021 | Impact story

OSU research finds slugs go 'bonkers' for bread dough

Slugs – which damage both agricultural crops and gardens – are highly attracted to bread dough, meaning that the simple food could be used as a nontoxic bait for trapping the pests.

Rory Mc Donnell | Nov 2021 | Impact story

Slugs and snails, destructors of crops and gardens, could be controlled by bread dough

Bread dough is a nontoxic, generic and effective tool that could be used in the detection and management of gastropods worldwide.

Kym Pokorny | Aug 18, 2021 | News story

Guide to Ground Beetles in Grass Seed Crops Grown In the Willamette Valley, Oregon

Ground beetles are an integral component of biological control in agricultural fields, but information on the species that are present in Oregon and throughout the United States is surprisingly limited. This guide ...

Inga Reich, Casi Jessie, Andrew Colton, Mike Gormally, Rory Mc Donnell | Jun 2023 | Extension Catalog publication Peer reviewed (Orange level)

Microscopic worm that liquefies slugs may be answer to controlling this invasive pest

 In Oregon at least half of the 20 top agricultural commodities suffer from slug damage.

Kym Pokorny | Nov 16, 2020 | News story

Will banana slugs eat my plants?

Q: Are banana slugs harmful to my flower or vegetable garden? I remember learning that they are beneficial but I would like to clarify. The internet is giving me very mixed answers.

A: View answer | View all featured questions

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