A few years ago, a bioassay of alfalfa weevil larvae collected in a central Kentucky alfalfa field showed low levels of control by a pyrethroid compared to other insecticide modes of action. In this particular instance, pyrethroids were used exclusively…
Monthly Archives: March 2023
Fire Blight Alert and Risk Map Overview
Apple and pear trees are at or approaching bloom. 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…
Posted in Fruit
Last Year’s Tree Fruit Diseases Equal This Year’s Tree Fruit Disease Risk
Last year’s disease presence can help us evaluate this year’s disease risk. Many pathogens overwinter on infected plant material or as pathogen survival structures. Poor sanitation practices and lack of management can lead to overwintering of many pathogens. This, thereby,…
Posted in Fruit
Predicting Future Legume Crop Disease Risk Using Disease History
Past disease presence can indicate a risk for the same disease this year. Many pathogens overwinter on infected plant material or as pathogen survival structures. Poor sanitation practices can lead to an increased risk of these diseases in the upcoming…
Posted in Vegetables
New Soil Insecticide for Some Vegetables
There has been a period of relatively few new insecticide registrations for specialty crops. However, with this new product there is not only a new insecticide, but a new mode of action as well. The insecticide is broflanilide produced by…
Posted in Pesticide Topics, Vegetables
Some Principles of Fungicide Resistance (PPFS-MISC-02)
Fungicides are important tools in modern crop production. Unfortunately, one of the risks of using these products is that fungi sometimes develop resistance to them. Resistance development is a concern because the products may become less effective—or even useless—for controlling…
Posted in Featured Pubs & Videos
2023 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
Beginning Farmer High Tunnel Production Basics
Join University of Kentucky Extension Specialists for a two-part webinar series followed by an in-person training. Webinars Webinar 1 will be presented by UK Extension Specialists Rachel Rudolph and Jonathan Larson on March 23 from 12:00 – 1:30 pm (Eastern…
Posted in Announcements, Greenhouses/High Tunnels
Important Time to Sample for Alfalfa Weevil
The UK Ag Weather Center’s degree day model for alfalfa weevil indicates that by the third week in March, many counties in Kentucky have exceed 190 Degree Days (DD), which is used as a starting point to begin scouting. In…
Posted in Forages
Predicting Future Leafy Green Crop Disease Risk Using Disease History
Past disease presence can indicate a risk for the same disease this year. Many pathogens overwinter on infected plant material or as pathogen survival structures. Poor sanitation practices can lead to an increased risk of these diseases in the upcoming…
Posted in Vegetables
Last Year’s Small Fruit Diseases Equal This Year’s Disease Risk
Disease presence last year can indicate a risk for the same disease this year. Many pathogens overwinter on infected plant material or as pathogen survival structures. Poor sanitation practices can lead to an increased risk of these diseases in the…
Posted in Fruit
2023 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
2023 Corn & Soybean Fungicide Efficacy Guides Now Available
The 2023 fungicide efficacy tables for foliar diseases of corn and soybean, and for soybean seedling diseases have been updated, and are now available through the Crop Protection Network website. These tables are updated annually based on data provided by…
Posted in Grains
Transplant Shock: Disease or Cultural Problem (PPFS-OR-W-19)
Trees and shrubs that are re-located from one growing site to another (e.g., from nursery to landscape) endure stress. If care is taken to minimize stress through proper transplanting techniques and maintenance, plants are likely to recover rapidly and become…
Posted in Featured Pubs & Videos
2023 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
Kentucky Pest News 