Monthly Archives: July 2023

Fusarium Wilt of Vegetables

Fusarium wilts are common in Kentucky vegetables grown in commercial fields, greenhouses, high tunnels, and backyard gardens. Tomato, peppers, eggplant, cucumber, watermelon, cantaloupe are susceptible to disease. Fusarium wilts symptoms develop when the fungus clogs vascular tissue (xylem), limiting the

Posted in Vegetables

Cucurbit Downy Mildew

Cucurbit downy mildew is the most economically important disease of cucurbits in Kentucky. All cucurbits, such as cucumber, cantaloupe, summer and winter squashes, pumpkin, and watermelon are susceptible. Cucurbit downy mildew affects plant leaves, and severe infections can result in

Posted in Vegetables

Apple Bitter Rot Season is Upon Us

While fruit rots have a variety of causes, the most common fungal fruit rot of apple in Kentucky is bitter rot. The disease results in rotten, inedible fruit. Fungicides are available for management; however, sanitation is critical for disease prevention.

Posted in Fruit

Buzzy Beetles Descend on Kentucky   

In yards, gardens, and parks across Kentucky, people have noticed a loud insectoid buzz in the air. At first, this noise is mistaken for a squad of bumble bees arriving in force. However, this particular buzz isn’t from bees, it’s

Posted in Landscapes, Lawn & Turf

Pesticide Use – Best Management Practices for Homeowners

Pesticides for purchase at local stores or online to anyone are referred to as ‘General Use’ or unclassified pesticides by the EPA. You do not need a license or certification to purchase and use these on your own property. Although

Posted in Pesticide Topics

Bacterial Wilt of Cucurbits (PPFS-VG-11)

Bacterial wilt is a common occurrence in commercial cucurbit fields and residential gardens. It is a potentially destructive disease that can result in complete crop loss even before the first harvest. This publication provides information on cucurbit hosts, symptoms, signs,

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 Laboratory from July 12 to 25, 2023.  Diagnoses on agronomic crop samples have included wind damage, magnesium deficiency, genetic anomalies, and

Posted in Plant Disease Diagnostic Lab

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

Disease & Insect Integrated Pest Management of Fruit Crops Webinar

Join University of Kentucky Extension Fruit Specialists for a webinar on August 14, 2023 from 12 PM to 1 PM (Eastern Time) via Zoom. Extension Plant Pathologist, Dr. Nicole Gauthier, and Extension Entomologist, Dr. Ric Bessin, along with Entomology Graduate

Posted in Announcements

Foliar Fungicide Considerations for Soybean

As soybean fields in Kentucky approach the R3 (beginning pod) developmental stage, it generally is a time to consider an application of a foliar fungicide to protect against foliar diseases.  Rainfall is an important factor to consider when making a

Posted in Grains

Gummy Stem Blight & Black Rot of Cucurbits

Cucurbit crops (cucumber, squash, watermelon, cantaloupe) may be affected by gummy stem blight or black rot. Cantaloupe, watermelon, and cucumber are often the most at-risk for disease. Leaves, stems, vines, and fruit may be affected by this fungal disease. Damage

Posted in Vegetables

Rhizoctonia of Vegetable Crops

Rhizoctonia diseases commonly affect vegetable crops, as well as fruit, ornamentals, and agronomic crops. Plant roots and stems primarily become affected, resulting in rot, but foliar blights and fruit rots may also occur. Use of cultural practices and fungicides can

Posted in Uncategorized

Mexican Bean Beetle, a Lady Beetle Pest

Mexican bean beetle (MBB) is a pest that is often only recognized after much of the damage is done. This is a mid-summer pest that feeds on a variety of beans, including green beans and soybeans. Initially, it is overlooked as

Posted in Vegetables

More Hammerhead Worms

Over the last 2 years, the Extension Entomology group has received multiple inquiries about strange, ribbon-like worms with hammer or moon shaped heads. These are creatively named, hammerhead worms, and they are predaceous flatworms that look like something made up

Posted in General Pests

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