The following taxonomic keys are adapted in part from the subgeneric and species descriptions and keys produced by McGinley (2003), Gibbs et al. (2013) and Gardner and Gibbs (2022). Additional identification information was provided by Jason Gibbs, Thilina Hettiarachchi (University of Manitoba), and Joel Gardner (Washington State University). While these...
This key to the bee genera of the Pacific Northwest provides dichotomous couplets which aid the user in identifying 60 genera of bees which occur or may occur in the region. The key architecture is based strongly on the key to the genera of North and Central America published in...
Sweet corn and snap bean production, amongst other vegetable crops grown in the Willamette Valley of Oregon, are impacted by soilborne diseases caused by Fusarium species. The decline in sweet corn yields due to Fusarium crown and stalk node rot as well as root rot in snap bean and sweet...
Since its inception in 1985, the Tri-State variety development program has primarily focused on the development of processing and dual-purpose (process and fresh) russets. Recent breeding efforts have focused more on improving genetic resistance to various pests and diseases as a means of lowering production costs. During the past decade,...
Entrepreneurship is regarded as a viable way for women to enter the economy and improve their quality of life (Morris et al., 2018). However, little attention has been paid to understanding how women, and specifically women of color, utilize their ways of knowing to learn entrepreneurship. Grounded in Chicana/Latina feminism...
Disproportionate exposure to exploitative working conditions, social marginalization, and a lack of equitable living conditions are among the many issues that migrant Latinx populations face daily in the United States. However, such issues cannot be addressed by relying solely on traditional academic research approaches without the participation and direction of...
Since its inception in 1985, the Tri‐State variety development program has primarily focused on the development of processing and dual‐purpose (process and fresh) russets. Recent breeding efforts have focused more on improving genetic resistance to various pests and diseases as a means of lowering production costs. During the past decade,...
Olive production potential in Oregon was researched in a multi-disciplinary approach, including a grower survey, a propagation greenhouse study, and a field study, from 2018 through 2020. The Oregon Olive Grower Survey was designed to collect information relating to orchard establishment and management practices, knowledge and understanding of these practices,...
Learn the most effective techniques for controlling insects, weeds and disease on wine grapes in Oregon. This comprehensive publication for growers covers strategies for controlling powdery mildew, botrytis bunch rot and spider mites, in addition to resources for organic growers. Easy-to-read tables list pesticide application rates and timing.
Specialty organic fertilizers used in organic vegetable production are expensive. So, from environmental and economic perspectives, growers want to maximize nitrogen (N) fertilizer use efficiency by the crop. This research was conducted to (1) determine sufficient N fertilizer rates for organic broccoli, (2) evaluate the efficacy of a specialty organic...
Specialty organic fertilizers used in organic vegetable production are expensive. So, from environmental and economic perspectives, growers want to maximize nitrogen (N) fertilizer use efficiency by the crop. This research was conducted to (1) determine sufficient N fertilizer rates for organic broccoli, (2) evaluate the efficacy of a specialty organic...
Research has shown that more efforts are needed to increase high school completion and postsecondary enrollment among Latino youths. However, little is known regarding efforts that engage both Latino youths and their parents. To address this gap, we surveyed Juntos Oregon participants to examine the school and community context Latino...
This guide is developed for use by managers of commercial vineyards in Oregon. It provides recommendations for chemicals, formulations and usage rates of products that are intended to prevent, manage and control vineyard diseases, insects, mites and weeds. When considering a pesticide, evaluate its efficacy and its impact on beneficial...
This document is intended for policymakers so they can make informed decisions about upgrading or removing tide gates in an effort to improve conditions for Oregon’s native migratory fish and other animals and plants that inhabit estuaries.
It has two main sections: The first includes an overview of the technical...
This 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.
Published January 2020. A more recent revision exists. Facts and recommendations in this publication...
Oregon State University (OSU) faculty members have supported the success of agriculture producers and their businesses for more than 100 years. Through research, education and community engagement, OSU faculty have helped agriculture producers and value-added operators respond to threats and opportunities in a manner that has brought vitality and sustainability...
The information in this pest management guide is valid for 2019. Trade-name products and services are mentioned as illustrations only. This does not mean that the Oregon State University Extension Service either endorses these products and services or intends to discriminate against products and services not mentioned. Due to constantly...
Recommends pest management practices for pear. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
This publication reviews the growth stages of grapes. For each growth stage (or group of growth stages), the document lists the more effective pesticides used to control insects, weeds, and disease; their rates; and application timing for Oregon grape growers. It also covers the effectiveness of various fungicides for control...
Project Happy Apples began as an effort to assist backyard growers in managing codling moth in their fruit trees. We developed a process using emails and a web page to provide timely information related to the life cycle of codling moth and relevant integrated pest management (IPM) strategies. The content...
Recommends pest management practices for prune and plum. Revised April 2018. For the most current information, visit
http://extension.oregonstate.edu/catalog
Revised April 2018. A more recent revision exists. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
This publication reviews the growth stages of grapes. For each growth stage (or group of growth stages), the document lists the more effective pesticides used to control insects, weeds, and disease, their rates, and application timing for Oregon grape growers. It also covers the effectiveness of various fungicides for control...
Recommends pest management practices for blueberry.
Published 2018. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
The main objective of this project was to compare on-farm measurement techniques for estimating N-contributions from cover crops using 1) separated species lab tests (a standard experimental method), 2) bulked species lab tests, 3) fresh weight, 4) dry weight and 5) canopy height and density. We also recorded relative weed...
The primary purpose of this pest management guide is to provide fruit growers with up-to-date information on registered pesticide uses considered to be effective for controlling insect pests, mite pests, and diseases, when applied at the listed rates and timings. Pesticide use is one element of integrated pest management programs....
The Oregon Sea Grant Visitor Center at Hatfield Marine Science Center attracts 150,000 visitors a year and does not require an admission fee. Surveying visitors, 39% of all people indicated that half or more of their reason for coming to the Oregon coast was to visit the Visitor Center.
Revised April 2017.
Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Revised April 2017.
Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Revised April 2017.
Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Revised April 2017. A more recent revision exists. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Second revision March 24, 2017.
Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
The Community Action Partnership of Oregon (CAPO) approached Oregon State University to assist in developing statewide indicators which help local agencies better utilize data for continuous improvement. The project was expanded to include Washington and Idaho. This report summarizes the project's findings.
Revised March 2017.
Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Revised February 2017.
Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Presents pesticide and herbicide application rates and recommendations, by tree growth stage, for pests that infect fruit trees. Covers apples, pears, and cherries. Provides (1) spray program for nutrients; (2) dilutions table for wettable powder and liquid products; (3) natural enemy impact guide for tree fruit pesticides; (4) illustrated bud...
Background:
As global climate change and exponential human population growth intensifies pressure on agricultural systems, the need to effectively manage invasive insect pests is becoming increasingly important to global food security. Drosophila suzukii is an invasive pest that drastically expanded its global range in a very short time since 2008,...
This pest management guide is developed for use by vineyard managers in Oregon. It provides recommendations for chemicals, formulations, and usage rates of products that are intended to prevent, manage, and control vineyard diseases, insects, mites, weeds, and vertebrate pests. When selecting a pesticide, consider its efficacy and its impact...
The primary purpose of this pest management guide is to provide fruit growers with up-to-date information on registered pesticide uses considered to be effective for controlling insect pests, mite pests, and diseases, when applied at the listed rates and timings.
When water supplies are restricted, you can keep your landscape healthy by developing water priorities, applying water efficiently, and modifying your maintenance practices.
Cymbopogon flexuosus, lemongrass, and C. martinii, palmarosa, are perennial grasses grown to produce essential oils for the fragrance industry. The objectives of this study were (1) to evaluate biomass and oil yields as a function of nitrogen and sulfur fertilization, and (2) to characterize their utility for lignocellulosic ethanol compared...
A product of the Vital Tillamook Indicator Project.
This report details a collaborative effort of the Tillamook County Futures Council and Oregon State University faculty members jointly affiliated with Extension Service and the Rural Studies Program developed 50 indicators of Tillamook County: 2020 Strategic Vision in order to gain insight...
A product of the Vital Tillamook Indicator Project.
This executive summary provides an overview of a collaborative effort of the Tillamook County Futures Council and Oregon State University faculty members jointly affiliated with Extension Service and the Rural Studies Program developed 50 indicators of Tillamook County: 2020 Strategic Vision in...
This publication reviews the growth stages of grapes. For each growth stage (or group of growth stages), the document lists the more effective pesticides used to control insects, weeds, and disease, their rates, and application timing for Oregon grape growers. It also covers the effectiveness of various fungicides for control...
This pocket guide highlights fire-resistant plants that thrive in Willamette Valley growing conditions. It recommends groundcovers, perennials, shrubs, woody vines, and trees. There are too many annual plants available to list them all. In general, annuals are considered fire-resistant if they are kept well irrigated.
A review of research conducted at OSU to determine compost value as a mulch or soil amendment for blueberry produced under conventional, transitional, or organic production systems.
Presents pesticide and herbicide application rates and recommendations, by tree growth stage, for pests that infect fruit trees. Covers apples, pears, and cherries. Provides (1) spray program for nutrients; (2) dilutions table for wettable powder and liquid products; (3) natural enemy impact guide for tree fruit pesticides; (4) illustrated bud...
Publication examines the wide variety of insect pests, diseases and environmental conditions that can affect Sitka Spruce along the coastline of Oregon.
Forest landowners are interested in practicing alternative silviculture methods on their property without having to clearcut. This publication describes a case study on the group selection method, a management style that mimics the natural gap creation that takes place in old-growth forest stands as a result of wind throw, landslides,...
This publication covers how pasture grows, understanding grazing systems, and forage quality. It also covers advanced tools for managing high-intensity grazing systems, such as the feed wedge (also called pasture wedge or grazing wedge).
This publication describes how to collect rainwater from the roof of your home and store it for use during the dry summer months for watering your garden or lawn.
Tools woodland owners need to measure property acreage, boundaries, and characteristics of standing timber, including individual log volumes, are described.
This publication describes the benefits of choosing the right cultivar, species, blend, or mixture. It will also explore the advantages of seed coating and other preplant packaging options, such as fertilizer and mulch. Finally, this publication highlights seed mixture and coating research conducted at Oregon State University.
The potato psyllid, Bactericera cockerelli (Šulc), is
a vector of the bacterium ‘Candidatus Liberibacter
solanacearum’ (Lso) that has been linked to the economically
devastating zebra chip disease of potato. To date, four haplotypes
of the potato psyllid have been identified and include
Central, Western, Northwestern, and Southwestern haplotypes.
Zebra chip...
This guide is intended for use by Oregon 4-H members enrolled in the clothing project and their parents/guardians. It includes a member handout for each skill level (1-9) and a “note to parents/guardians” for skill levels 1-3.
This guide is intended for use by volunteer leaders in the Oregon 4-H clothing project. It includes lesson plans for Basic Skill Levels 1, 2, and 3. All levels include suggestions for specific activities to incorporate five learning areas: planning and evaluation; individual development and outreach; management, consumership, and wardrobe...
Basic Skills—Levels 2 and 3.
This fact sheet is intended for use by Oregon 4-H members enrolled in the clothing project. It explains basic techniques for easing and gathering.
Basic Skills—Level 1.
This fact sheet is intended for use by Oregon 4-H members enrolled in the clothing project. It explains basic hand-sewing techniques.
Basic Skills—Level 1.
This fact sheet is intended for use by Oregon 4-H members enrolled in the clothing project. It describes how to make a skills notebook for use in your project.
Basic Skills—Level 1.
This fact sheet is intended for use by Oregon 4-H members enrolled in the clothing project. It explains how to select the correct pattern size, read a pattern envelope, understand pattern symbols, and use the pattern guidesheet.
Basic Skills—Level 1.
This guide is intended for use by Oregon 4-H members enrolled in the clothing project. It provides definitions and pictures of basic sewing equipment.
Basic Skills—Levels 2 and 3.
This fact sheet is intended for use by Oregon 4-H members enrolled in the clothing project. It explains basic techniques for preparing the zipper opening and applying centered and lapped zippers.