Monthly Archives: June 2019

Vegetable Diseases to Scout for: Early Blight and Septoria Leaf Spot

Kentucky vegetable growers, as well as gardeners, will be seeing early blight and Septoria leaf spot of tomato in their plantings at this time. As the most common diseases of tomato in Kentucky, homeowners or growers not on a preventative

Posted in Vegetables

Fire Blight Symptoms Now Visible on Fruit Crops

Fire blight is the most important disease of apple and pear in Kentucky. Symptoms may now be visible; however, initial infections occured at bloom. The pathogen survives winter in dead, dying, and diseased wood and in cankers. Removal of these

Posted in Fruit

Armillaria Root Rot – A Threat to Stressed Landscape Trees

Tree stress can come from numerous factors, including weather, mechanical damage, insects, or poor growing conditions. These stresses make plants more susceptible to the plant disease Armillaria root rot. This fungal disease is also known as shoestring root rot, mushroom

Posted in Landscape Trees & Shrubs

Springtails are Common

Last week, there were a few reports of springtails, otherwise known as Collembola, in gardens and a home. Springtails are minute, wingless insects that can jump when disturbed. They are common in low numbers on soil and in leaf litter,

Posted in Household Pests

Oregon Department of Ag Stops Sale of Some Pesticides

This past week, the Oregon Department of Agriculture has expanded a Stop Sale, Use and Removal Order (SSURO) to include six neem oil products from various manufacturers/registrants.  This follows an SSRUO for a single insecticide product last winter. The problem

Posted in Pesticide Topics

Powdery Mildew (PPFS-GEN-02)

Powdery mildew can affect numerous commercial and residential plants, including fruits, vegetables, ornamentals, and agronomic crops. Powdery mildew may adversely affect flowering, fruit development, plant vigor, and yields, although this disease rarely kills plants outright. Plants that become stressed by

Posted in Featured Pubs & Videos

Plant Disease Diagnostic Lab Highlights

The following plant disease highlights have been compiled from samples submitted to the University of Kentucky Plant Disease Diagnostic Laboratories from June 18 to 25, 2019. Diagnostic samples of agronomic crops have included Lepto leaf spot on alfalfa; Septoria leaf

Posted in Plant Disease Diagnostic Lab