Monthly Archives: May 2015

2015 Insect Trap Counts

Weekly 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

Posted in Insect Trap Counts

Alfalfa Growth May Outpace Weevil Damage

Some tip feeding and a few small alfalfa weevil larvae were apparent in Fayette County alfalfa on May 4 (Figure 1).  However, plant growth in established alfalfa fields should be far enough along that it would take substantial numbers of

Posted in Forages

Black Cutworm and Armyworm Caterpillars Should be Evident

Our insect development estimator, using the insect trap captures as our Biofix and current temperatures from the Princeton weather station, indicates that egg hatch has begun and small caterpillars should be present. I have not yet found any armyworms, but

Posted in Forages, Grains, Tobacco

Cutworms in Tobacco Float Beds

Variegated cutworms can cause significant damage to developing tobacco transplants (Figure 1). Infestations begin when the moths fly in early spring and enter greenhouses or get under float bed covers. A female lays clusters of about 60 eggs on surfaces

Posted in Tobacco

Tray Drench and/or Transplant Water Insecticides for Tobacco

This table summarizes options for tobacco insect controls available as tray drench and/or transplant water applications. The insecticide common name, brand names, and insecticide mode of action group number (IRAC) appear in the first column; pests appear in other columns

Posted in Tobacco

Vegetable Soil Insect Management

There are several serious soil insect pests that we manage periodically in vegetable production, including wireworms, white grubs, and seedcorn maggot.  Unfortunately, when symptoms of damage by these pests become apparent, there are no rescue treatments. Our management strategies are

Posted in Vegetables

Ambrosia Beetles Are Different

Bark beetle and shot hole borer are general terms used for a large group of small beetles that chew round holes, usually in dead or dying trees and woody ornamentals. These insects inhabit the phloem layer or where bark and

Posted in Landscape Trees & Shrubs

Sudden Leaf Drop – Maple Petiole Borer

The maple petiole borer was responsible for noticeable amounts of premature leaf drop from sugar maples over parts of western Kentucky in 2013. The first activity in 2015 (Figure 1) was reported from Webster County. Damage Due to Petiole Borer

Posted in Landscape Trees & Shrubs

Plant Disease Diagnostic Lab Highlights

The following plant disease highlights from the UK Plant Disease Diagnostic Laboratories represent recent sample submissions from field crops, fruit, vegetables, and ornamentals. Recent agronomic samples have included target spot, Rhizoctonia damping off, Pythium root rot, and heat injury on

Posted in Plant Disease Diagnostic Lab

2015 Insect Trap Counts

Weekly 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

Posted in Insect Trap Counts