Monthly Archives: September 2021

Apple Scab Picking on Kentucky Apple and Crabapple Trees

Apple scab is the most consistently serious disease of homegrown apple and flowering crabapple in Kentucky. The most noticeable losses on apple result from reduced fruit quality and from premature drop of infected fruit. Scab also causes a general weakening

Posted in Fruit

Boxwood Blight

Boxwood blight can be devastating to American boxwood cultivars, which are common in the Kentucky landscape. Complete defoliation can occur within a week and plants can die within a single growing season. Use of tolerant cultivars, cultural practices, and fungicides

Posted in Landscape Trees & Shrubs

No Need to Fear Autumnal Arachnids

As autumn sets in, we get to see leaves change, pumpkins get picked, and spiders invade our landscapes; truly a wonderful time of the year for an entomologist. For other, more normal human beings though, seeing so many eight-legged critters

Posted in Beneficial Insects

Pest-Proofing Your Home

Many pests seek refuge in homes and buildings in response to changes in weather, such as extended periods of rain or drought, or the onset of cool autumn temperatures. In response to these pest invasions, homeowners often apply liberal amounts

Posted in Household Pests

Free On-line CEU Pesticide Credits through EPA Webinars

The Environmental Protection Agency (EPA) Office of Chemical Safety and Pollution Prevention is offering trainings through their on-line Integrated Pest Management webinar series. These have been approved for commercial pesticide applicators CEU credit through the Kentucky Department of Agriculture and

Posted in Pesticide Topics

So, You Want to Be a Pesticide Applicator: Private Applicator Competencies

The Environmental Protection Agency (EPA) regulates the registration, distribution, sale, and use of pesticides by their authority through the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA). There are two types of certified pesticide applicators defined by FIFRA: private and commercial

Posted in Pesticide Topics

Bacterial Canker & Perennial Canker of Stone Fruit (PPFS-FR-T-08)

Perennial canker (also called Cytospora canker, Leucostoma canker, Valsa canker, and peach canker) and bacterial canker are the most common branch and trunk diseases occurring on stone fruit in Kentucky.  Both diseases are stress-related, targeting injured or unhealthy trees.  Dieback

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

Red Crown Rot of Soybean Observed for the First Time in Kentucky

Last week, signs and symptoms of red crown rot of soybean were observed in a few fields in Graves County, Kentucky by a local agronomist (Clint Gregory with Hutson Ag) who contacted the University of Kentucky.  Samples were collected from

Posted in Grains

Tar spot on corn confirmed in Kentucky

Tar spot on corn was confirmed by the University of Kentucky Plant Disease Diagnostic Laboratory (PDDL) in Princeton, Kentucky last week. Corn samples submitted by Curt Judy, Todd County Extension Agent, had signs of the tar spot causal fungus Phyllachora

Posted in Grains

Mesotunnel Research through the Current Cucurbit Podcast Series

Iowa State University, Cornell University, and the University of Kentucky have been conducting studies to improve the resilience of cucurbit crops to attack by insect, weeds, and diseases for both organic and conventional production. Part of this research has led

Posted in Vegetables

Apple Diseases

Kentucky apple growers are faced with numerous plant disease issues throughout growing seasons. These diseases limit grower profits by reducing yield and increasing input costs. Diseases of Greatest Concern to Growers While diseases of concern may vary from orchard to

Posted in Fruit

Late Season Oak Symptoms

Tree pests Oaks are mighty trees that we love to have in the landscape. Due to the fact that they are mostly native, and they are long-lived and sturdy, we can find many different kinds of insects and mites feeding

Posted in Landscape Trees & Shrubs

So, You Want to be a Pesticide Applicator: Consumer Pesticides

Inherently, pesticides have some risks to the environment, the plants or animals being protected, consumers, and/or the applicator. Those pesticides with higher risks have been designated Restricted Use Pesticides (RUP), which require training and certification for their users, while pesticides

Posted in Pesticide Topics

Bacterial Spot of Pepper & Tomato (PPFS-VG-17)

Bacterial spot affects tomato and pepper crops in both commercial fields and residential gardens, as well as in transplant production. This disease results in poor fruit set, fruit blemishes, and defoliation. Once introduced into a planting, bacterial spot is difficult

Posted in Featured Pubs & Videos