Monthly Archives: April 2017

Fungicides for Managing Fusarium Head Blight of Wheat: How Late is Too Late?

Much of the wheat crop in Kentucky has headed out and is flowering.  Stripe rust (Figure 1) is now present in many Kentucky counties on susceptible varieties, and according to the Fusarium Head Blight Prediction Center, the current risk of

Posted in Grains

Scouting for True Armyworms Is Highly Recommended in Small Grains and Early Corn

During the week of April 15 to 21, 2017, there were 301 (Princeton) and 4 (Lexington) captures of true armyworm (Mythimna unipuncta) moths in pheromone-based traps in those locations. For Princeton, this is a 1/3 fold increase in 1 week

Posted in Grains

Fire Blight Alert and Risk Map Overview

Apple trees are blooming throughout the Commonwealth. 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 Disease Prediction Model. Growers

Posted in Fruit

Calico Scale Can Be a Nemesis of Landscape Trees

Scale insects are often overlooked sap-feeding insects that can be serious pests of shade and ornamental trees. The calico scale, a soft scale, has caused significant problems in Kentucky, especially for maples, sweetgum, honey locust, Japanese Zelkova, crabapples, and wild

Posted in Landscape Trees & Shrubs

May Beetles Are Emerging— Some Are Munchers

May beetles are a group of brown-to-black beetles that can emerge suddenly from lawns and grassy fields in early spring, especially following rain. Depending on the species, larvae (white grubs) will have fed on grass roots for several months, or

Posted in Landscape Trees & Shrubs

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. Recent diagnostic samples of agronomic crops have included white mold (Sclerotinia) on alfalfa; Pythium root

Posted in Plant Disease Diagnostic Lab

2017 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