Monthly Archives: April 2016

Boxwood Leaf Miner

Boxwood leaf miners are serious pests. They prefer American boxwood but will attack English and Japanese boxwoods. The larvae (small maggots) create yellow oval areas, similar to blisters, on infested leaves (Figure 1). When abundant, damage can cause premature leaf

Posted in Landscape Trees & Shrubs

Eastern Tent Caterpillars Movement Begins

The earliest hatching eastern tent caterpillars (ETC) have finished feeding and have entered the “wandering” stage of their life cycle. Over the next 10 days to 2 weeks, restless tent caterpillars will crawl from their home trees, eventually finding a

Posted in Forest Trees, Landscape Trees & Shrubs

Emerald Ash Borer Update

The first instance of emerald ash borer (Figure 1)  infestation in Meade County was reported recently by Abe Nielsen (Kentucky Department of Forestry). Visit the Kentucky Ash Borer Information website for the most current distribution map. The degreeday accumulation in

Posted in Forest Trees, Landscape Trees & Shrubs

Reduce Landscape Mosquito Factories

The Asian tiger mosquito (ATM, Figure 2) is a peridomestic species, meaning it is adapted to live in and around human dwellings. Everyone can play a major role in reducing numbers of this fierce day-biter simply by recognizing potential breeding

Posted in Human Pests

Information Source for Zika Virus and Mosquitoes In Kentucky

Visit the Information on Zika Virus for Kentuckians website set up by the University of Kentucky to provide information on the Zika virus and resources on mosquito management in the Commonwealth.   By Lee Townsend, Extension Entomologist  

Posted in Human Pests

Featured Publication

Black Spot of Rose (PPFS-OR-W-10) Black spot is the most common and serious disease of roses in Kentucky. This fungal disease is a problem in greenhouse production and outdoor plantings. The newly updated fact sheet on black spot discusses symptoms,

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 Pythium root rot on tobacco transplants; anthracnose

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

Considerations for Fungicide Management of Fusarium Head Blight (Scab) of Wheat

Wheat heads are just starting to become visible in a few fields in western Kentucky. Not long after wheat heads emerge, they will begin to flower.  Flowering (anthesis) is a critical time, as wheat becomes susceptible to infection by Fusarium graminearum, the

Posted in Grains

Diseases to Scout for: Pythium Damping-off and Root Rot

Extended periods of cool, wet weather this spring may have you noticing symptoms of a common pathogen infecting plants: Pythium. This water mold pathogen particularly attacks seeds, seedlings, and young plants (Figures 1 and 2). Pythium is present at low

Posted in Greenhouses/High Tunnels, Tobacco, Vegetables

Fire Blight Alert and Risk Overview

(Final week of reminder alerts) 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

Posted in Fruit

Fight the Bite: Preparing For Mosquitoes and Zika Virus – 2016

According to the Centers for Disease Control and Prevention (CDC) Zika webpage, 358 travel-associated cases of Zika virus disease have been confirmed in the U.S. as of April 13, 2016. None of these cases were identified as having been acquired

Posted in Human Pests

Carpenter Bees Are Good Pollinators, But…

Male and female carpenter bees are becoming active after spending winter in last year’s tunnels. These large yellow and black bees have shiny, bare abdomens (Figure 1) in contrast to the ‘hairy’ ones of bumble bees (Figure 2). Female carpenter

Posted in Household Pests

Featured Publication

Managing Spring Dead Spot of Bermudagrass (PPFS-OR-T-13) Spring dead spot is the most destructive disease of bermudagrass in Kentucky. The most serious outbreaks occur under high maintenance conditions; e.g., high nitrogen fertility, low mowing height, and frequent traffic. Moderate to

Posted in Featured Pubs & Videos

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