Monthly Archives: March 2015

Time for Drench Applications to Control Emerald Ash Borer

Products containing the active ingredient imidacloprid (Bayer Advanced Tree & Shrub Insect Control, Bonide Annual Tree & Shrub Insect Control, Ferti-lome Systemic Tree & Shrub Drench, Green Light Tree & Shrub Insect Killer, etc.) are available to homeowners for do-it-yourself

Posted in Landscape Trees & Shrubs

Consumption of Genetically Engineered (=GMO) Crops: Examples of Quotes from Position Papers of Scientific Organizations  

GMO1 traits are sometimes used for the purposes of controlling weeds, insects, and diseases in crop production.  Questions sometimes arise as to the safety of consuming GMO crops.  Hundreds of studies have been published to address these questions.  The public

Posted in News & Views

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

Fungus Gnats and Shore Flies Can Thrive in Tobacco Float Systems

Fungus gnats and shore flies are common greenhouse pests that also can thrive in float plant systems. The larvae of both species develop in moist to wet habitats; wet growing media also can supply their needs. Fungus Gnats Fungus gnats

Posted in Tobacco

Eastern Tent Caterpillar Egg Hatch Begins In Central Kentucky

Eastern tent caterpillar (ETC) egg hatch was reported March 23 in Scott County by Larry Hanks, a consulting arborist. The tiny larvae will continue to emerge over the next 2 weeks from eggs (Figure 1) laid last summer on wild

Posted in Forest Trees, Landscape Trees & Shrubs

Boxwood Leafminer Injury Now Apparent

Leafminers are serious pests of boxwoods. Boxwood leafminers prefer American boxwood but will attack English and Japanese boxwood. Leafminer Description and Their Damage Leaf mining by larvae (small maggots) creates oval yellow areas similar to blisters on infested leaves (Figure

Posted in Landscape Trees & Shrubs

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

2015 IPM Training March 24

The 2015 IPM Training is scheduled for Tuesday, March 24. The program will be held from 9 AM to 3 PM CDST at the University of Kentucky Research & Education Center at 1205 Hopkinsville Street in Princeton, Kentucky. Program topics

Posted in Announcements

Challenges in Weed Management in Wheat Due to Wet Conditions

The large amount of snow cover, combined with recent rainfall, has made it a challenge to treat for weeds as we transition into spring.  The following are some suggestions to consider as we progress through the next few days: Harmony

Posted in Grains

Managing Mites and Miticides in High Tunnels

Mites can be challenging pests to manage in greenhouses and high tunnels.  This is partly due to their small size; mites can go undetected until their numbers build and damage becomes apparent.  We are fortunate to have several miticides available

Posted in Greenhouses/High Tunnels, Vegetables

BROOD XXIII Due In West Kentucky

Brood XXIII of the periodical cicada is due to emerge along the Mississippi River Valley (Figure 1). In Kentucky, the bulk of this 13-year brood should occur west of I-65; the insects should be most abundant in counties along the

Posted in Greenhouses/High Tunnels

Rainfall Sets Stage For Several Nuisance Pests

Springtails Springtails are tiny wingless insects that can flip into the air, giving them the appearance of tiny fleas. They would go completely unnoticed except that hundreds of them can accumulate on surfaces like a small, dusty gray carpet that

Posted in General Pests, Lawn & Turf

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. During the first part of 2015, relatively few samples were submitted for diagnosis.  Diplodia ear rot on

Posted in Plant Disease Diagnostic Lab

2015 IPM Training Rescheduled for March 24

The IPM Training canceled last week has been rescheduled for Tuesday, March 24.  This program will be held from 9 AM to 3 PM CDST at the University of Kentucky Research & Education Center at 1205 Hopkinsville Street in Princeton,

Posted in Announcements

Management of San Jose Scale Begins Soon

While pruning, producers need to be on the watch for signs of active San Jose scale on their apple and peach trees (Figure 1). Left uncontrolled, San Jose scale is potentially the most destructive pest of peaches in Kentucky and

Posted in Fruit