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How hormones and growth regulators affect your plants

Plant hormones and growth regulators are chemicals that affect flowering, aging, root growth, distortion and killing of organs, prevention or promotion of stem elongation, color enhancement of fruit, prevention of leafing and/or leaf fall, and many other conditions.

Ann Marie VanDerZanden | Jul 2012 | Article

Using Whole Sugar Beets in Rations for Ruminant Livestock

Producers faced with an oversupply of sugar beets may consider using them as livestock feed. This practice could save livestock producers money while helping to meet the nutritional needs of their animals. Learn ...

Ian McGregor | Jun 2021 | Extension Catalog publication Peer reviewed (Orange level)

The Economic Impact of Onion Pests in the Treasure Valley

A look at pest data for onions grown in the Treasure Valley demonstrates the yield and economic impacts of specific pests and management practices. This data can help researchers, crop consultants and those ...

Katie Murray, Isaac Sandlin, Peter Ellsworth, Paul Jepson, Al Fournier, Hang-Kwang Luh, Stuart Reitz | Mar 2022 | Extension Catalog publication Peer reviewed (Orange level)

Managing grapevines during a heat spike

Oregon grape growers face challenges as the frequency and severity of extreme heat events increase due to climate change. Here's how grape growers can protect their crops during a heat wave.

Cody Copp, Alexander Levin | May 2022 | Article Peer reviewed (Gray level)

Oregon Ash: Insects, Pathogens and Tree Health

Oregon ash grows along the streams and wetlands of western Oregon and Northern California, where it provides important wildlife habitat. But these trees are threatened by the emerald ash borer, an insect pest that...

David C. Shaw, Jay W. Pscheidt, Alexander Gorman | Jan 2023 | Extension Catalog publication Peer reviewed (Orange level)

Silage will not reduce the toxicity of poison hemlock

Silage-making has been used to reduce the concentrations of toxins in a variety of crops. But in the case of poison hemlock, the opposite is true — making silage out of it actually increases one of its toxic alkaloids.

Cassie Bouska, Amy Peters | Jan 2006 | Article

Grape pruning basics

All grapes require heavy pruning to produce fruit, but after the first three growing seasons, different types of grapes need different pruning. Wine grapes and muscadines usually need spur pruning, and American grapes, such as Concord and Thompson Seedless require cane pruning.

Nov 2012 | Article

Season 1, Episode 3: The Grapevine "Blood Test"

Learn more about why we use leaf blades and petioles for grapevine nutrient monitoring.

Patricia A. Skinkis | Nov 2022 | Podcast episode Peer reviewed (Gray level)

How to Scout for Grape Phylloxera in Vineyards

This video provides the basic steps in searching for phylloxera in an infested vineyard.

Michelle Moyer, Gwen Hoheisel, TJ Mullinax, Patricia A. Skinkis | Nov 2020 | Video