Monthly Archives: March 2019

Bacterial Stalk Rot and Leaf Drop in Tobacco

In 2018, several tobacco crops were severely affected by bacterial stalk rot and leaf drop. This disease does not frequently occur in Kentucky tobacco, but it can result in over 50% leaf loss in the span of only a few

Posted in Tobacco

Fire Blight Alert and Risk Map Overview

Apple and pear trees are approaching bloom, especially in southwestern Kentucky. 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

Posted in Fruit

Canker Sampling of Trees and Woody Ornamentals (PPFS-OR-W-27)

Cankers form on trees and other woody plants as the result of infection by fungal or bacterial pathogens.  Dieback, decline, structural failure, or plant death can result.  Plants stressed by poor planting practices, improper maintenance, extreme weather, insect damage, mechanical

Posted in Featured Pubs & Videos

Plant Disease Diagnostic Lab Highlights

The following plant disease highlights have been compiled from samples submitted to the University of Kentucky Plant Disease Diagnostic Laboratories since the start of 2019. Diagnostic samples of agronomic crops have included Sclerotinia crown and stem rot on alfalfa; Pythium

Posted in Plant Disease Diagnostic Lab

2019 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

University of Kentucky Vegetable IPM Hotline

Extension specialists at the University of Kentucky have introduced a new resource for vegetable producers, the Vegetable IPM Hotline (Figure 1). Each Tuesday, a new message will be available that provides information on vegetable crops, chemical updates, and information about

Posted in Announcements, Vegetables

Fire Blight Alert and Risk Map Overview

Apple and pear trees are approaching bloom, especially in southwestern Kentucky. 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

Posted in Fruit