Monthly Archives: March 2021

Begin Scouting Fields for Alfalfa Weevil

The UK Ag Weather Center’s degree day model for alfalfa weevil indicates that many counties in Kentucky have recently exceeded the 190 Degree Day (190 DD) used as a starting point to begin scouting for alfalfa weevil. Most other counties

Posted in Forages

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

Fire Blight Alert and Risk Map Overview

Apple and pear trees are at bloom or approaching bloom across 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

Posted in Fruit

Don’t Get Burned by Fire Blight, Disease Management Begins Now

Fire blight is an important disease of apple, crabapple, pear, and flowering pear in Kentucky. Symptoms are often not observed until late spring or early summer; however, initial infections occur at bloom. The pathogen survives winter in dead, dying, and

Posted in Fruit

Leaf Scorch and Winter Drying of Woody Plants

Leaf scorch occurs whenever water needed for growth and health of plant foliage is lost from leaves faster than it can be replaced from soil. Any factor that interferes with uptake or movement of water through plants cause water deficiency

Posted in Landscape Trees & Shrubs

Juniper Twig Blights (PPFS-OR-W-11)

Twig and branch dieback is extremely common in many juniper plantings in Kentucky. While other factors can be responsible for these general symptoms, Phomopsis twig blight or Kabatina twig blight are often the cause. This newly revised publication discusses hosts,

Posted in Featured Pubs & Videos

2021 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

Fire Blight Alert and Risk Map Overview

Apple and pear trees are 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 Model. Growers

Posted in Fruit

Planning a Vegetable Garden

As spring approaches, it is time to start planning for this year’s vegetable garden. There are many items to consider when planning a garden, including decisions that can directly impact the potential for disease. Here are few areas to consider

Posted in Vegetables

Recommendations for Starting Disease-Free Vegetable Transplants

Many home gardeners and commercial growers have placed their seed orders or have last year’s saved seed safely tucked away. In the coming days or weeks, many growers will start those seeds in transplant trays. However, in some cases, seeds

Posted in Vegetables

Tennessee Expands Imported Fire Ant Quarantine Northward to Kentucky Border

Recently, the Tennessee Department of Agriculture expanded the number of counties under Imported Fire Ant (IFA) quarantine.  This is significant for Kentucky as IFA is continuing to move northward and several of the newly quarantined counties are on the Kentucky

Posted in Human Pests

USDA Clarifies Rules for Buying and Receiving Seeds and Plants from other Countries

Last year, there was quite the uproar as people reported shipments of unsolicited seeds arriving from other countries. This was the subject of a newsletter article in July 2020. Many dozens, if not hundreds, of these unwanted seed shipments were reported

Posted in Misc. Topics

Strawberry Anthracnose Fruit & Crown Rot (PPFS-FR-S-05)

Anthracnose diseases can severely reduce plant stands and yields in commercial and residential strawberry plantings. Disease may develop on blossoms, fruit, petioles, runners (stolons), leaves, and crowns; however, it is most destructive when fruit and/or crowns are affected. This newly

Posted in Featured Pubs & Videos

The UK Plant Disease Diagnostic Laboratory Needs Your Input!

The University of Kentucky Plant Disease Diagnostic Lab (PDDL) is inviting you to take part in a survey of current and future PDDL services and policies. Although you may not get personal benefit from taking this survey, your responses may

Posted in Plant Disease Diagnostic Lab

2021 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