Recent Sessions Tagged With 'horticulture'

The “real world” of the American homeowner is far removed from the ongoing research being done in landscape water conservation. He is not privy to the reams of information being published on all sorts of new findings and more efficient watering techniques. He is at the mercy...

This webinar is part of the Spring 2018 series of Advanced Training Webinars for Master Gardeners sponsored by Oregon State University ExtensionProbably best known for making our squash leaves white, powdery mildew is an ever-present plant disease in the home garden. Dr. Jay...

This webinar is part of the Spring 2018 series of Advanced Training Webinars for Master Gardeners sponsored by Oregon State University ExtensionThe Bronze Birch Borer is a wood-boring beetle spreading across the Pacific Northwest that can devastate landscape plantings of...

This webinar is part of the Spring 2018 series of Advanced Training Webinars for Master Gardeners sponsored by Oregon State University ExtensionChoosing a plant with disease resistance is one of the tools in a gardener’s Integrated Pest Management toolbox. In this session,...

This webinar is part of the Spring 2018 series of Advanced Training Webinars for Master Gardeners sponsored by Oregon State University ExtensionParticipants will learn the basics of identification of slug and snail species in home landscapes. Dr. Mc Donnell will cover current...

Presenter: Hayk KhachatryanIt is well documented that in the past several decades, urban sprawl in the U.S. has substantially increased the area of extensively landscaped residential areas. Previous research showed that Florida homeowners consider well-maintained urban...

This webinar will discuss the biology, ecology, and management of the native fall cankerworm. Management strategies in the urban and rural environment will be covered. The fall cankerworm, Alsophila pometaria, is a moth native to North America whose caterpillars are commonly...

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...

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...

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...

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...

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...

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 ...

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...

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...