Monthly Archives: May 2021

Soybean Gall Midge is Spreading in the Midwest–A 2021 Update

Problem The soybean gall midge, Resseliella maxima (Diptera: Cecidomyiidae), is a relatively new pest in soybean. Although some findings have been reported since 2011 (CropWatch), large populations were noticed in plants located at the edges of soybean fields by late

Posted in Grains

Hanging by a Thread

Dead, curled leaves dangling by fungal “threads” are typical of a disease called thread blight.  This disease is more common in eastern Kentucky, where it has been observed on apple, cherry, and viburnum.  Other potential hosts include cotoneaster, dogwood, gooseberry,

Posted in Fruit, Landscape Trees & Shrubs

Strawberry Scout Website

The publication An IPM Scouting Guide for Common Problems of Strawberry in Kentucky was first introduced in 2016 as an online/paper version. In order to improve access to this important scouting guide, a mobile website was developed. The Strawberry Scout

Posted in Fruit

Rhizosphaera Needle Cast May Lead to Skimpy Spruce

Rhizosphaera needle cast is often to blame for brown or thin spruce in the landscape. In Kentucky, Rhizosphaera needle cast is the most common disease of spruce; it also affects some pine species. This disease causes needle drop on lower

Posted in Landscape Trees & Shrubs

Gummy Stem Blight & Black Rot of Cucurbits (PPFS-VG-08)

Gummy stem blight is an important disease of cucurbits in many parts of Kentucky. Under conditions favorable to disease development, commercial growers and home gardeners may experience heavy losses. Gummy stem blight is the name given to the disease when

Posted in Featured Pubs & Videos

2021 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

Seedcorn Maggot Seen in Abundant Numbers in Corn and Soybeans

Seedcorn maggots (Figure 1) in corn and soybeans are typically observed during cool and damp seasons and in sites with organic rich soils (manure can be a source of this), including fields with reduced tillage or decaying residue from the

Posted in Grains

Bagging Fruit for Disease and Insect Management

In Kentucky, pest management in home orchards can be challenging, and fungicide and insecticide applications are often necessary for management of certain pests. Fruit bagging, however, can eliminate certain sprays by physically protecting fruit during development.  This method can be

Posted in Fruit

Cedar-Apple Rust

Cedar-apple rust is the most common and economically important rust disease of apple in Kentucky.  The pathogen overwinters as galls on cedar and juniper. Removal of these pathogen sources on cedar can later reduce disease incidence on apple. Once apple

Posted in Fruit

Cleaning and Sanitizing Commercial Greenhouse Surfaces

Sanitizing surfaces is a critical step for greenhouse and nursery sanitation.  This is particularly important for sites where disease was a problem in previous crops.  Pathogens that cause plant disease can survive in debris, in soil, or on surfaces.  Cleaning

Posted in Greenhouses/High Tunnels

Meso-Tunnels and Cucurbit Production

If you’re a vegetable grower, you’re probably familiar with high tunnels and low tunnels. But what are meso-tunnels? Each of these tunnel types are used to create a protective barrier between crops and the environment. “Meso” means “middle,” so meso-tunnels

Posted in Greenhouses/High Tunnels

Laurel Wilt Disease: A Threat to Kentucky Sassafras Trees

Laurel wilt is a new disease that was recently detected in southwestern Kentucky. This disease, which is transmitted by the redbay ambrosia beetle, has the potential to rapidly kill sassafras trees. Currently no management options are available for this disease.

Posted in Forest Trees, Landscape Trees & Shrubs

EPA IPM Webinar: Mosquito Trapping – Right Trap, Right Place

Today (May 18), the Environmental Protection Agency (EPA) is hosting a webinar for credit on mosquito trapping. Vector control for mosquitoes involves strategies for trapping, monitoring, identifying and sorting the mosquitoes. This free webinar will emphasize the importance of matching

Posted in Human Pests

EPA Extends Respiratory Protection Flexibility for Pesticide Handlers due to Covid-19

Earlier this month the EPA OPP extended the ‘Annual Fit Test’ option delay until September 30, 2021. This is due to limited availability of required respiratory protection and respirator fit testing.  These options are not a waiver of regulations or

Posted in Uncategorized

Edema (PPFS-GEN-18)

Edema (or oedema) is a nonparasitic disorder that, under the right environmental conditions, can affect a wide variety of herbaceous plants. This problem is most frequently observed in greenhouses on ornamentals and vegetable transplants, but it may also occur on

Posted in Featured Pubs & Videos