The American Phytopathological Society (APS)--in cooperation with the University of Minnesota Department of Plant Pathology and Department of Forest Resources --will sponsor a short course entitled "Evergreen Tree Pest Management" on March 26-27,
Winter can be tough on Iowa's trees and shrubs. Low temperatures, rapid temperature changes, winter desiccation, and the weight of ice and snow can damage vulnerable trees and shrubs.
Continuing instruction courses (CIC's - 1997) for commercial pesticide applicators are listed below. Continuing education courses are approved for specific certification categories.
Entomologists at the Illinois Natural History Survey have produced a convenient set of identification cards for beneficial insects common to the Midwest.
Hawthorn rust is caused by the fungus Gymnosporangium globosum. The rust fungus causes small yellow spots on hawthorn leaves. These spots eventually enlarge and often have a reddish border.
Earwigs are a fairly well known insect, from folklore if not from actual experience. The earwig is the insect reputed in superstition to purposefully crawl into the ears of sleeping persons, and from there bore into the brain.
It seems like they just got here, but the periodical cicadas that emerged in early June are already laying eggs, a sure sign that their brief adult life above ground is about to end.
Once again the larder beetle is on the move inside infested houses. This means homeowners are finding the brown larvae or the black adults crawling throughout the house.
Have you noticed lately that your peach leaves appear curled or puckered? Do leaves appear to be lighter than normal, flushed with red, blistered, distorted, and curled?
Phomopsis tip blight is one of the two common diseases of junipers and is often associated with Kabatina tip blight. Although these two diseases cause almost identical symptoms, they differ in disease development and control.
Most of us are well aware of the importance of farm safety, but how many of us are aware of safety issues related to yard and garden activities? Here is a quick quiz to check your knowledge of some horticulture safety issues.