Timber Rot (White Mold) of Tomato

Numerous reports of timber rot, or white mold, of greenhouse tomato are coming in. Timber rot causes elongated bleached areas on tomato stems, often where the trellis line rubs against the plant, which progresses to kill the plant. Under humid

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

Anthracnose Diseases on Shade Trees

The term anthracnose refers to the dark blotching (necrotic) symptom common to these diseases.  When expanding leaves are affected, leaf distortion frequently results (Figure 1). Defoliation (leaf drop) often occurs during severe infections. The disease is generally not fatal, and

Posted in Landscape Trees & Shrubs

The Dark Side of Black Root Rot in Ornamentals

Black root rot can affect a wide range of ornamentals in home and commercial landscapes, nurseries, and greenhouses. Black root rot is commonly observed on Japanese and blue hollies, inkberry, pansy, petunia, and vinca. Black Root Rot Facts Symptoms are

Posted in Landscape Trees & Shrubs, Ornamentals

Periodical Cicada: Guardians of Time

One of the more spectacular entomological events is the emergence of millions of periodical cicadas. What makes this event so unusual is that it occurs so infrequently, each brood emerging every 13 or 17 years. Depending on where one lives,

Posted in General Pests

Asian Needle Ant in Kentucky, Another Stinging Threat

Asian needle ant is another in a long list of invasive insect pests that have arrived in Kentucky. Last week, we had reports of people being stung by them in a home located in South Central Kentucky, but we also

Posted in Human Pests

Cultural Calendar for Commercial Strawberry Production (PPFS-FR-S-30)

Integrated pest management (IPM) includes the combination of biological, cultural, physical, and chemical tools in efforts to manage diseases and pests while minimizing risks associated with pesticides. Cultural practices are an integral part of an IPM program and should be

Posted in Featured Pubs & Videos