Steve Castagnoli

Six Steps to Calibrate and Optimize Airblast Sprayers for Orchards and Vineyards

In six steps, learn how to calibrate, optimize, and verify coverage for an airblast sprayer to ensure that you are getting every drop to the crop.

Gwen-Alyn Hoheisel, Lav Khot, Michelle Moyer, Steve Castagnoli | Jun 2023 | Extension Catalog publication Peer reviewed (Orange level)

Recognize the Symptoms and Causes of Stunted Growth in Vineyards

Spring frost, herbicide drift, water or nutrient stress, diseases, and insect and mite pests can cause similar symptoms of stunting or distorted growth in grapevines. Recognizing the symptoms and distinguishing their ...

Patricia A. Skinkis, Vaughn Walton, Amy J. Dreves, Clive Kaiser, Steve Renquist, Steve Castagnoli, Rick Hilton, Linda Brewer | Jun 2023 | Extension Catalog publication Peer reviewed (Orange level)

Preventing Water Contamination and Pesticide Drift: A Checklist for Pesticide Applicators

When applying pesticides it is important to avoid water contamination and pesticide drift as much as possible. This checklist can help. Three separate checklists (before, during and after) make it easier to remember...

Tim Stock, Steve Castagnoli | Jun 2023 | Extension Catalog publication Peer reviewed (Orange level)

Pear Scab in Oregon: Symptoms, Disease Cycle and Management

This publication gives a concise description of the causes, symptoms, and disease cycle of pear scab. It also describes the OSU-MCAREC three-part model to predict scab risk and help time fungicide sprays. ...

Robert A. Spotts, Steve Castagnoli | Mar 2023 | Extension Catalog publication Peer reviewed (Orange level)

Predicting and Managing Gray Mold Rot of Pear in Oregon

This publication describes gray mold disease symptoms and the disease cycle and outlines a model that can help pear packers predict the relative risk of gray mold development in stored fruit before the fruit is placed in cold storage.

Robert A. Spotts, Steve Castagnoli | Mar 2023 | Extension Catalog publication Peer reviewed (Orange level)

Prevention and Management of Grapevine Leafroll Virus and Mealybugs in Oregon Vineyards

This document suggests practices believed to mitigate the spread of disease and virus.

Vaughn Walton, Amy J. Dreves, Patricia A. Skinkis, Clive Kaiser, Marcus A. Buchanan, Rick Hilton, Robert Martin, Steve Castagnoli, Steve Renquist | Mar 2023 | Extension Catalog publication Peer reviewed (Orange level)