Marcelo Moretti

Tenga en cuenta que es posible que esta persona no hable español.

Associate Professor

Contact me with questions about weed management in commercial agriculture.

Tenga en cuenta que es posible que esta persona no hable español.

[email protected]

Expertise: Berries, table grapes and kiwifruit , Fruit trees , Hazelnuts and nut crops , Nursery and greenhouse , Organic agriculture , Christmas trees , Integrated pest management , Weeds

Department/Unit: Horticulture

Content by Marcelo Moretti

Oregon's hazelnut success rooted in OSU research, Extension

Investments in OSU research and development help improve hazelnut production practices, leading to higher yields and better-quality nuts.

Nik Wiman, Jay W. Pscheidt, Marcelo Moretti | Mar 2025 | Impact story

Pest management guide for wine grapes in Oregon

Learn the most effective techniques for controlling insects, weeds and disease on wine grapes in Oregon. Study strategies for controlling powdery mildew, botrytis bunch rot and spider mites.

Patricia A. Skinkis, Jay W. Pscheidt, Achala KC, Marcelo Moretti, Vaughn Walton, Cody Copp | Feb 2025 | OSU Extension Catalog

Pest management guide for tree fruits: Hood River, The Dalles, White Salmon, Rogue Valley, Umatilla County

This annual guide provides tree fruit growers with the latest information on pesticides and herbicides for fruit trees. People who grow apples, pears and cherries can learn application rates and recommendations for each stage of tree growth.

Ashley Thompson, Rick Hilton, Achala KC, Marcelo Moretti, Jay W. Pscheidt, Nik Wiman, Christopher Adams, Andony Melathopoulos, Cody Copp, Niall Millar | Jan 2025 | OSU Extension Catalog

La deriva de 2,4-D retrasa la caída de las nueces en el avellano

The herbicide 2,4-D drifting into the tree canopy delays nut drop in hazelnut orchards. Learn how to reduce the risk of 2,4-D drift in your orchard.

Marcelo Moretti, Linda Brewer, Joshua Miranda Teo | Jan 2025 | OSU Extension Catalog Peer reviewed (Gray level)

Cómo identificar daños por herbicidas en las moras azules: Guía para productores

Herbicide use sometimes leads to crop injury. However, herbicide injury symptoms overlap with other stressors, making it hard to find the cause. Learn how to identify herbicide injuries and prevent problems.

Marcelo Moretti, Linda Brewer | Jan 2025 | OSU Extension Catalog Peer reviewed (Gray level)

Persistent bindweed frustrates gardeners but can be controlled with patience

This invasive perennial makes itself at home by sinking roots as much as 9 feet into the soil and can stay as an unwanted guest for up to 20 years.

Kym Pokorny | Apr 2, 2024 | News story

2023 Pest Management Guide for Apples: Willamette Valley

Learn the latest recommendations for insect, mite and disease control in Willamette Valley apple orchards.

Nik Wiman, Jay W. Pscheidt, Marcelo Moretti | Jun 2023 | OSU Extension Catalog

2023 Pest Management Guide for Peaches

Get the latest recommendations for insect, mite and disease control in peach orchards of the Willamette Valley.

Nik Wiman, Jay W. Pscheidt, Marcelo Moretti | Jun 2023 | OSU Extension Catalog

Hazelnut pest management guide for the Willamette Valley

Learn how to control insects, weeds and disease during each stage of hazelnut growth. View the app version View diseases, pests and products by crop stage on a web-based app. Try the app

Nik Wiman, Jay W. Pscheidt, Marcelo Moretti | Apr 2023 | OSU Extension Catalog

Willamette Valley Pest Management Guide for Cherries

Get updated recommendations for insect, mite and disease control in cherry orchards of the Willamette Valley.

Nik Wiman, Jay W. Pscheidt, Marcelo Moretti | Apr 2023 | OSU Extension Catalog

2022 Willamette Valley Pest Management Guide for Walnuts

Read the latest recommendations for insect, mite and disease control in walnut orchards.

Nik Wiman, Jay W. Pscheidt, Marcelo Moretti | Jun 2023 | OSU Extension Catalog

Hazelnut IPM

Resources about integrated pest management for hazelnuts.

Nik Wiman, Vaughn Walton, Jay W. Pscheidt, Marcelo Moretti, David Lowenstein, Heather Andrews, Rachele Nieri | May 2019 | Collection

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