Monthly Archives: April 2016

Be on the Lookout for Wheat Rust Diseases

Stripe rust (Figure 1) was diagnosed by the Plant Disease Diagnostic Laboratory at the UK Research and Education Center (Princeton, KY) this week in a wheat sample that came from Lyon County.  In addition, leaf rust (Figure 2) of wheat

Posted in Grains

Fire Blight Alert and Risk Map Overview

Risk for fire blight infection can be high as temperatures become warm and wet weather occurs during bloom.  Growers can assess risk by using the Fire Blight Disease Prediction Model and selecting specific county and orchard history. This model incorporates

Posted in Fruit

Last Year’s Small Fruit Diseases Equal This Year’s Small Fruit Disease Risk

Disease presence last year can indicate a risk for the same disease this year. Many pathogens overwinter in Kentucky on infected plant material or as pathogen survival structures. Poor sanitation practices can lead to an increased risk of these diseases

Posted in Fruit

Mites/Miticides in High Tunnels

We are beginning to get some reports of spider mites on tomatoes in high tunnels. Mites are challenging pests to manage in greenhouses and high tunnels as they often go undetected when their populations are low. However, they reproduce quickly

Posted in Greenhouses/High Tunnels, Vegetables

Termite Season

Emergence of termite swarmers is often the first indication for many homeowners that they have an infestation. Winged reproductives often leave the ground on a sunny spring day following a rain. This mating and dispersal activity is the way new

Posted in Household Pests

Mealworms and Darkling Beetles In Hay

Mealworms (Figure 1) are wireworm-like larvae of darkling beetles (Figure 2). Adults and larvae feed on cracked grain kernels, fines, and processed feeds (Figure 3). They are occasional pests around feed rooms and in stored hay but can be significant

Posted in Livestock Pests

Featured Publication

Managing Greenhouse & High Tunnel Environments to Reduce Plant Diseases (PPFS-GH-01) Greenhouse and high tunnel environments, which tend to be warm and humid, often create ideal situations for disease development. Because diseases can cause extensive damage, their management is essential

Posted in Featured Pubs & Videos

Plant Disease Diagnostic Lab Highlights

The following plant disease highlights from the University of Kentucky Plant Disease Diagnostic Laboratories represent recent sample submissions from field crops, fruit, vegetables, and ornamentals. Diseases diagnosed during the past week have included Rhizoctonia damping-off and Pythium root rot on

Posted in Plant Disease Diagnostic Lab

2016 Insect Trap Counts

Trap counts for major insect pests are provided by the Kentucky IPM Program. Traps are located at the UK Research and Education Center in western Kentucky and the UK Spindletop Farm in Lexington.  Below are trap counts for the current

Posted in Insect Trap Counts

Fire Blight Alert and Risk Map Overview

Apple and pear trees are in bloom across much of Kentucky. Infection by the fire blight bacterium occurs during bloom, thus, protectant antibiotics should be applied when risk is high. Risk for infection can be assessed using the Fire Blight

Posted in Fruit

Last Year’s Tree Fruit Diseases Equal This Year’s Tree Fruit Disease Risk

Last year’s disease presence can help in evaluating this year’s disease risk. Many pathogens overwinter in Kentucky on infected plant material or as pathogen survival structures. Poor sanitation practices and lack of management can lead to overwintering of many pathogens. 

Posted in Fruit

High Tunnel White Fly Update

In the past week, there have been several reports of whiteflies, aphids, spider mites, and thrips attacking tomatoes in high tunnels or greenhouses. It is not unusual to have an upturn of insect activity in high tunnels as the season

Posted in Greenhouses/High Tunnels, Vegetables

Eastern Tent Caterpillars Becoming Visible

Tents that are the size of baseballs are now visible on wild cherry trees in south central Kentucky. Early tents appear near egg masses and caterpillars will feed there for a time. As they grow, caterpillars leave their small, scattered

Posted in Forest Trees, Landscape Trees & Shrubs

Be Ready For Ticks – They Are Ready For You!

Lone star ticks and American dog ticks are the key species in Kentucky with regards to nuisance and disease potential. Lone star adults and nymphs that survived winter are hungry. These fast moving ticks will react quickly to CO2, movement,

Posted in Human Pests

Featured Publication

Effectiveness of Fungicides for Management of Small Fruit Diseases Two efficacy tables for small fruit disease fungicides have just been updated.  These are both available online: Effectiveness of Fungicides for Management of Strawberry Diseases (PPFS-FR-S-15) Effectiveness of Fungicides for Management

Posted in Featured Pubs & Videos