Winter is Coming: So are Some Insects!

There are relatively few insects that are active as adults in the late fall and winter months, but one of those groups is winter crane flies (Figure 1).  There are a number of species of winter crane flies in North

Posted in General Pests

Plant Diseases – Kentucky Master Gardener Manual Chapter 6 (PPA-46)

The Plant Disease chapter in the Master Gardener Manual (Figure 1) focuses on those living organisms that cause disease: fungi, water molds, bacteria, viruses, nematodes, phytoplasmas, and parasitic plants. Large, color pictures (Figure 2) that depict selected stages in various

Posted in Featured Pubs & Videos

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

Featured Publication

Diagnosis of “No Disease” (PPFS-GEN-11) Extension Agents and growers may occasionally receive diagnostic reports from a University of Kentucky Plant Disease Diagnostic Laboratory that indicate “no disease was found.”  The following fact sheet provides possible reasons behind this diagnosis. Diagnosis

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Eurasian Hemp Borer Making its Way in Kentucky

Problem and Description of Damage The Euroasian hemp borer (EHB), Grapholita delineana, was found in Lexington in mid-October 2020 while scouting hemp pests in Lexington. This is the second EHB sighting in Kentucky conducted by Raul Villanueva; the previous report

Posted in Hemp

Don’t Eat Those Wild Mushrooms…unless you know what you are doing! (PPFS-GEN-14/FORFS-16-01)

A variety of mushrooms can be seen in landscape mulch, in lawns, on forest floors, and in open meadows after autumn rains.  For many, there may be a temptation to gather and eat these wild mushrooms or toadstools.  Unfortunately, there

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Squash Vine Borer: The Hidden Pest

With most insect pests of vegetables, UK Extension Entomology recommends weekly scouting to determine the levels of infestation and to decide if an insecticide is warranted. Scouting will tell when the earliest stages arrive and at what levels. However, this

Posted in Vegetables

Fruit, Orchard, and Vineyard Sanitation: Cleaning Up Today May Keep Disease Away

Autumn has arrived in Kentucky, and it is time to focus on fruit, orchard, and vineyard sanitation. Good sanitation practices can help reduce disease-causing pathogens.  Good sanitation practices can help reduce disease-causing pathogens.  These organisms can survive for months or

Posted in Fruit

Limited Testing for Commercial Pesticide Applicators

Due to Covid-19 restrictions, there are fewer testing locations for persons needing certification as commercial applicators. The Kentucky Department of Agriculture is offering testing in Frankfort and Gilbertsville in western Kentucky. At each location, testing is limited to nine individuals

Posted in Pesticide Topics

Risk Factors for Sclerotinia Crown &Stem Rot in Fall-seeded Alfalfa (PPFS-AG-F-02)

Alfalfa seeded during late summer or fall is susceptible to the destructive disease Sclerotinia crown and stem rot. Fall-seeded stands are particularly vulnerable to this disease because the young seedlings do not have sufficient time to develop adequate resistance before infectious spores

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Landscape Sanitation: Clean Up for Clean Plants

Autumn has arrived in Kentucky and, as leaves will soon begin to change color and fall from trees, it is time to focus on landscape sanitation. Good sanitation practices can help reduce disease-causing pathogens.  These organisms can survive for months

Posted in Landscape Trees & Shrubs, Landscapes, Ornamentals

Crown Gall (PPFS-GEN-01)

Crown gall can affect a wide range of crops, including woody ornamentals, tree fruits, and small fruits.  Plants in commercial and residential plantings can suffer losses from this bacterial disease. This publication provides information on crown gall and its effect

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Announcing the University of Kentucky 2020 Fall Crop Protection Webinar Series

The University of Kentucky has organized five webinars on field crop protection topics that will be hosted through the Southern Integrated Pest Management Center starting on November 10. These weekly webinars will cover topics such as new research on foliar

Posted in Announcements

Bacterial Wetwood and Slime Flux

Bacterial wetwood and slime flux refer to bacterial “ooze” that runs down trunks of trees.  Oozing fluids are the result of a bacterial infection known as bacterial wetwood (Figure 1). Advanced development is called slime flux, in which a foul-smelling,

Posted in Landscape Trees & Shrubs

Brown Marmorated Stink Bug Expected to Invade Man-Made Structures in Western Kentucky this Fall

Status of the brown marmorated stink bug The brown marmorated stink bug (BMSB), Halymorpha halys, was detected in soybean fields in several counties of western Kentucky between August and September 2020. This insect is widely distributed and has been established

Posted in General Pests