Sessions Tagged With 'horticulture'

View Upcoming or Recent sessions

Displaying 16-30 of 46

Status of Boxwood Blight in Oregon

Tuesday, October 3, 2017 at 4:00 pm EDT

Part of the 2017 Oregon Master Gardeners Advanced Training series. Boxwood blight continues to be a problem in more landscapes and nurseries in the PNW. Learn about where this fungal disease has moved to, how to recognize it from other disease problems and run a model to...

Japanese Beetles in Oregon

Tuesday, September 19, 2017 at 4:00 pm EDT

Part of the 2017 Oregon Master Gardeners Advanced Training Series. In 2016, Japanese beetles were trapped in high numbers in the Portland area. The Oregon Department of Agriculture is working to eradicate Japanese beetle hot spots in Portland, and OSU Extension is helping with...

Urban Trees and Stormwater Management – Transitioning from Gray to Green

Wednesday, September 6, 2017 at 1:00 pm EDT

Trees offer a range of ecological benefits that include, but are not limited to, the reduction of stormwater runoff. As cities grow or redevelop, there are opportunities to reduce reliance on traditional gray infrastructure elements (e.g., drains and pipes) through the use...

Never doubt how a small, thoughtful and committed pollinator habitat (in your garden) can change the world

Tuesday, September 5, 2017 at 4:00 pm EDT

Part of the 2017 Oregon Master Gardener Advanced Training Series. Pollinator populations are under stress from all sides. Be it from habitat loss and fragmentation, pesticide exposure, or the spread of new diseases, pollinators face many challenges. The good news is that these...

Managing the Brown Marmorated Stink Bug with biological control

Tuesday, August 22, 2017 at 4:00 pm EDT

Part of the 2017 Oregon Master Gardener Advanced Training series. Ongoing efforts to manage Brown Marmorated Stink Bug (BMSB) in the Pacific Northwest will benefit from the arrival of the samurai wasp, a specialist parasitoid of BMSB eggs. This presentation will identify...

Organic Pesticides for Home Gardens

Tuesday, August 15, 2017 at 4:00 pm EDT

Part of the 2017 Oregon Master Gardener Advanced Training series. In this advanced pesticide course, the presenter will discuss the breadth of organic pesticides available for home gardeners, and what makes them "organic." Topics covered will include insecticides,...

Tree Risk Assessment – Perceptions, Reality, and Reliability

Thursday, April 13, 2017 at 1:00 pm EDT

How safe is this tree? It’s a critical question that demands an accurate answer, butassessment is not always straightforward. Learn to avoid the pitfalls of tree riskassessment as Dr. Koeser highlights sources of variation and potential bias when rating a tree’s likelihood of...

Avoiding and Remedying Abiotic Injury of Trees

Tuesday, March 14, 2017 at 2:00 pm EDT

Marion Murray, Utah State UniversityA large percentage of urban trees are affected by abiotic stresses and diseases such as drought, nutrient deficiency, and poor pruning practices. Learn about the effects these stresses have on trees and how to diagnose and mitigate...

The use of compost as soil amendment and its implication in vegetable crop health in Puerto Rico (Presented in Spanish).

Wednesday, December 14, 2016 at 1:00 pm EST

In Puerto Rico there is an increased interest and demand for the use of compost in commercial horticultural industries. However, there is a lack of information for growers on how to utilize effectively compost, which can supply sufficient nutrients to the crop but can...

Soil Compaction and Urban Trees: Strategies for Gaining Ground

Wednesday, November 30, 2016 at 2:00 pm EST - Presented by Bryant Scharenbroch

Compacted soil is one of the most common and serious problems urban trees face. Compaction quickly causes severe physical, chemical and biological alterations to soil conditions, and remediation is a difficult and lengthy process. What’s a tree care or landscape professional...

Soil Health Impacts on Pest Management

Tuesday, September 13, 2016 at 2:00 pm EDT

This webinar will focus on management activities that create conditions for beneficial soil microbes to flourish. Soil is alive with billions of microorganisms and most have an important and beneficial role to play in a healthy soil ...

May Forestry Lunch and Learn: An Approach to Pruning You Won’t Forget

Wednesday, May 11, 2016 at 2:00 pm EDT

Speaker: Dr. Ed Gilman, Professor, Environmental Horticulture Department, University of Florida Summary: Dr. Gilman guarantees that once you begin pruning trees using the strategies learned in this webinar, you will not regress to the old...

Extension Behavior Change: Evaluating Individual Contact Teaching

Wednesday, March 16, 2016 at 10:30 am EDT - Presented by Laura (Sanagorski) Warner

Many horticultural Extension professionals conduct numerous consulting phone calls, emails, office visits, and site visits to solve landscape-related problems and concerns. These individual teaching methods are valuable to clients, but can be challenging to evaluate. The goal...

Low cost plant and soil health measurements using PhotosynQ

Wednesday, February 18, 2015 at 2:00 pm EST

This broadcast will be about how extension agents can collaboratively collect, share, and analyze plant and soil health data from around the world using the open source PhotosynQ platform (www.photosynq.org). PhotosynQ is a platform for measuring plant and soil health...

Sustainable Roses Series: Integrated Pest Management of the Rose

Wednesday, November 12, 2014 at 11:00 am EST

Everyone knows that rose gardening can be very challenging in Florida due to climate, insect pressures and disease incidence. This webinar is designed to introduce extension agents, master gardeners and advanced home gardeners to IPM techniques that will make rose...