Articles contained in Kentucky Pest News are submitted by University of Kentucky College of Agriculture, Food and Environment Extension Specialists in Entomology, Plant Pathology, and Weed Science

Soybean Disease Considerations

On Jul 19, 2016 07:10 pm

The continued frequent rainfalls and high relative humidity we have been experiencing have led to conditions favorable for the development of foliar diseases of soybean.  Some diseases to look for are listed below. Septoria Brown Spot Probably the most commonly
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Update on Southern Rust of Corn

On Jul 19, 2016 07:05 pm

Southern rust was observed in the University of Kentucky Hybrid Corn Performance Test in Webster County, KY on July 18, 2016.  The disease was observed by the keen eyes of UK Plant Pathology interns, Andrew Gennett and Conner Raymond, and
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Caterpillars May Affect Late Corn Planting In Different Areas of Kentucky In 2016

On Jul 19, 2016 07:00 pm

Insect Description & Damage In Clinton and Todd counties, damage to corn and sweet sorghum has been reported to Drs. Lee Townsend and Ric Bessin since mid-June; and I have noticed injuries on corn foliage in Princeton during the last
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The Sugarcane Aphid Arrived to Kentucky a Month Earlier in 2016 Than in 2015  

On Jul 19, 2016 06:55 pm

The invasive sugarcane aphid (SCA) Melanaphis sacchari has arrived to Kentucky almost a month ahead of its 2015 appearance (KPN).  Sugarcane aphids have caused yield losses of 30% to 100% for sorghum growers since 2013 in many states of the
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Take Aim at Tobacco Target Spot & Frogeye Now

On Jul 19, 2016 06:50 pm

In our research plots and in grower fields, we are beginning to see target spot and frogeye pressure. Target spot is caused by Thanatephorus cucumeris (more commonly known as Rhizoctonia solani) and frogeye is caused by Cercospora nicotianae. These are
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Vegetable Diseases to Scout for: Southern Blight

On Jul 19, 2016 06:45 pm

Reports of southern blight have been coming in over the last several weeks, and 2016 looks to be a tough year for the disease. Southern blight, or basal stem rot as it is sometimes called, most commonly affects tomato, pepper,
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Phomopsis Twig Blight & Stem Canker of Blueberry

On Jul 19, 2016 06:40 pm

Phomopsis twig blight and stem canker is becoming more common in Kentucky blueberry. Stressed plants are more susceptible to this disease, and reports are often associated with fields that have a history of Phytophthora root rot or severe abiotic disorder
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Fall-Colored Damage in Bald Cypress (Taxodium distichum) Caused by Rust Mites in Late Spring

On Jul 19, 2016 06:35 pm

Bald cypress, a deciduous conifer, sheds its needle-like leaves in early fall after the foliage turns tan, cinnamon, and deep orange.  We noticed fall-colored needles in bald cypress trees grown in a nursery in western Kentucky last May (Figures 1
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Spider Mite Problems

On Jul 19, 2016 06:30 pm

The two-spotted spider mite is the most common and destructive mite on deciduous ornamentals. It feeds on many varieties of trees, shrubs, flowers, weeds, fruits, and garden crops. Immature stages and adults are yellow to green with two dark spots
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Fall Webworm – Generation II

On Jul 19, 2016 06:25 pm

The second generation of fall webworm is underway and their distinctive silk nests should be abundant in many areas through August. These fuzzy caterpillars have pale green or yellow hairs over their bodies with rows of black spots along their
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Dealing with Fleas

On Jul 19, 2016 06:20 pm

The cat flea (Figure 1) is the most common external parasite of dogs and cats. These small, hopping insects also bite humans. In addition to the discomfort of bites and the chance of secondary infection by contamination of bite sites,
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Lone Star Seed Ticks Can Cause Some Miserable Days

On Jul 19, 2016 06:15 pm

Tiny lone star tick larvae (also called seed ticks and turkey mites) will be active over the next few weeks (Figure 1). Reaction to their bites cause painful itching that can last for 7 to 20 days. Dressing appropriately, using
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Featured Publication

On Jul 19, 2016 06:10 pm

Fungicide Spray Schedule Worksheet and Sample Spray Guides for Commercial Fruit Growers (PPFS-FR-T-19 and PPFS-FR-S-20) Extension Plant Pathology has assembled a number of fact sheets to assist commercial fruit growers with selecting appropriate fungicides and scheduling sprays. These publications, which
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Plant Disease Diagnostic Lab Highlights

On Jul 19, 2016 06:05 pm

The following plant disease highlights from the University of Kentucky Plant Disease Diagnostic Laboratories represent recent sample submissions from field crops, fruit, vegetables, and ornamentals. Diseases and other problems diagnosed on agronomic crops during the past week have included gray
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2016 Insect Trap Counts

On Jul 19, 2016 06:00 pm

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
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More to read:

Corn Disease Update
Update on Tobacco Blue Mold: Spread Continues, Scout Fields Now
Vegetable Diseases to Scout for: Cucurbit Powdery Mildew
Squash Vine Borer Active
Cedar-Hawthorn Rust
Note: Trade names are used to simplify the information presented in this newsletter.  No endorsement by the Cooperative Extension Service is intended, nor is criticism implied of similar products that are not named.
Copyright © 2016 Kentucky Pest News, Plant Pathology Department, University of Kentucky, All rights reserved.