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You are here: Home / Archives for Ryan Contreras

Bred for success

By Ryan Contreras — Posted July 21, 2022

These are some current and future cultivars from Oregon State University Ornamental Plant Breeding I am in my 13th year at Oregon State University (OSU). Spending more than a decade doing something sounds like a long time, but in the world of woody plant breeding, that is just getting warmed up. That is how I feel […]

Filed Under: Growing Knowledge Tagged With: Digger, Digger magazine, Oregon State University, OSU

Restoring a conifer classic

By Ryan Contreras — Posted September 22, 2021

Breeding disease-resistant Port Orford cedar for reforestation and the horticulture industry By Ryan Contreras and Richard Sniezko Port Orford cedar (Chamaecyparis lawsoniana) is a long-lived conifer native to northwestern California and southwestern Oregon. It spans an elevational range from sea level to 5,000 feet or more. In forestry, the tree has both economic and ecological […]

Filed Under: Growing Knowledge Tagged With: Digger, Digger magazine, Oregon State University, OSU, Pests and Diseases, Trees

A new breed of Norway maple

By Ryan Contreras — Posted April 24, 2020

An update on efforts to grow sterile cultivars of this important shade tree for Oregon growers The nursery industry in the Pacific Northwest markets a great deal of plant material to the upper Midwest and New England. Overall, Oregon ships 75% or more of its nursery plant material out of state. Shade trees are among […]

Filed Under: Growing Knowledge Tagged With: Digger, Digger magazine, Growing Knowledge, Plants

Get ‘em while they’re hot: New cultivars from OSU

By Ryan Contreras — Posted July 26, 2019

The Ornamental Plant Breeding Program at OSU is beginning to hit its stride and new cultivars are hitting the market – carrying the hopes of making a positive impact on the industry. Established in 2010, the Ornamental Plant Breeding Program at Oregon State University has worked to develop plants that work in production for landscapers […]

Filed Under: Growing Knowledge Tagged With: Digger, Digger magazine, Education, Oregon State University, Plants

A focus on function

By Ryan Contreras — Posted June 2, 2017

The Ornamental Plant Breeding Program develops new plants with an eye on how they function in modern, low-input landscapes.

Filed Under: Growing Knowledge Tagged With: Digger, Digger magazine, Landscaping, Oregon State University, Plants, Science

Reining in rogues

By Ryan Contreras — Posted August 2, 2016

Breeding for sterility is one way to control non-native, invasive plants.

Filed Under: Growing Knowledge Tagged With: Digger, Digger magazine, Oregon State University, Plants

NURSERY NEWS

Hall of Famers give gift towards horticultural industry advocacy

Verl Holden retires from Oregon Garden Foundation Board

Fall Creek promotes Dave Daniel to general manager for U.S. and Canada

NWFCS, Farm Credit West create new association

Bailey Nurseries announces leadership transition

More Nursery News

FARWEST SHOW UPDATES

Secure your 2023 Farwest hotel room and save

Farwest Show to celebrate 50th anniversary in 2023

Nursery professionals connect at Farwest

These 12 products had buyers buzzing at Farwest

Nightfall Snowbell sweeps top honors in Farwest New Varieties Showcase

More Updates from Farwest

From the pages of Digger

March 2023: Water Outlook 2023

February 2023: Greenhouse Issue ’23

January 2023: The Retail Issue

December 2022: Oregon is Nursery Country

November 2022: Transportation and Logistics

More issues of Digger

The Value of Membership

OAN Member Profile: Oregon Flowers Inc. 

These 12 products had buyers buzzing at Farwest

Creating the future generation of nursery leaders

More member stories

CORONAVIRUS COVERAGE

Virtual is the new reality – for now

Trade shows in the time of COVID

A demand ‘renaissance’ for nurseries

Western Nursery & Landscape Association falls victim to pandemic

MANTS 2021 to move online due to COVID-19

More articles

Nursery Guide LIVE

Nursery Guide LIVE clicks into place

Booth spaces still available for Nursery Guide LIVE March 17–18

Nursery Guide LIVE virtual marketplace postponed due to winter storm damage

Keynote presentations at Nursery Guide LIVE virtual marketplace provide insight on green industry trends in 2021 and beyond

More Posts from this Category

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