Monthly Archives: June 2018

Featured Publication

Cane Diseases of Brambles (PPFS-FR-S-17) Several cane diseases commonly lead to the formation of cankers in Kentucky bramble plantings.  If left unchecked, these fungal diseases significantly reduce overall yields and limit the longevity of bramble plantings. This publication discusses the

Posted in Featured Pubs & Videos

Suspected Western Bean Cutworm Egg Mass Found

This week, a suspicious egg mass was found in a Daviess County corn field by a consultant who was scouting the field. The tentative identification of the egg mass is western bean cutworm (WBC), a pest of corn and garden

Posted in Grains

Yellow Poplar Weevils Having a Good Year

Yellow poplar weevils are small black snout beetles (Figure 1) that chew distinctive oval holes in the leaves of yellow poplar, sassafras, and magnolia. The larvae are white legless grubs that feed and develop as miners inside leaves. Injured leaves

Posted in Landscape Trees & Shrubs

Expect Midges and Gnats after Rains

‘Midge’ and ‘gnat’ are common names for many species of small, non-biting flies resembling mosquitoes. They can be nuisances following extend rainy periods. Large mating swarms often appear about dusk. Irritation comes when many of the small flies land on

Posted in Human Pests

Plant Disease Diagnostic Lab Highlights

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. Diagnostic samples of agronomic crops have included leaf streak on orchardgrass; Pythium and Rhizoctonia root

Posted in Plant Disease Diagnostic Lab

2018 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

Corn Disease Scouting Report for June

Farmers are annually concerned about corn disease, and this year will be no exception. Corn is moving through growth stages quickly, and the warm, humid weather in many parts of Kentucky has been conducive for foliar disease development. Fungicides are

Posted in Grains

Vegetable Diseases to Scout for: Anthracnose of Cucurbits

Cucumber, cantaloupe, and watermelon growers in Kentucky should have their eye out for anthracnose this week. Initial anthracnose infections occur during this time in the growing season in Kentucky, and preventative practices are essential to reducing disease incidence. Prevention, early

Posted in Vegetables

Vegetable Diseases to Scout for: Tomato Spotted Wilt Virus

After two seasons of intensive tomato spotted wilt virus (TSWV) pressure, some diagnoses of this disease have already been made this year. This disease can affect tomato, pepper, potato, eggplant, lettuce, beans, and cucumber along with more than 170 other

Posted in Vegetables

Watch for Thrips — They’re Abundant this Year

There have been several reports of high thrips populations attacking crops and bothering homeowners alike this spring (see KPN June 5, 2018, Thrips Can Be Cause of “Mystery Bites” and “Pool Miseries”). Despite their tiny size, various thrips species are

Posted in Greenhouses/High Tunnels, Vegetables

Let Fireflies Brighten Your Evenings

Whether you call them fireflies or lightningbugs, seeing them in the evening is a pleasant reminder that we are moving into the early summer months. It is fascinating to watch their periodic flashes and the patterns they make with their

Posted in Landscapes

Chiggers

Chiggers are the immature stage of certain mites that live in overgrown brushy or grassy areas, especially where small rodents are abundant. People pick up chiggers while in shady, humid areas near stream banks, under or around trees, or in

Posted in Human Pests

Watch for the Longhorned Tick

The longhorned tick (Haemaphysalis longicornis), an exotic tick from east Asia, was detected recently in Benton County, Arkansas. It was initially found in New Jersey in 2017, and has also been collected in West Virginia and Virginia. There are no

Posted in Human Pests

Apple Rust Diseases (PPFS-FR-T-05)

Cedar-apple, cedar-quince, and cedar-hawthorn rusts commonly occur on apple, as well as pear and several ornamentals in the rose family.  These rust diseases can result in economic losses in orchards and can seriously impact landscape plantings in Kentucky. This 5-page

Posted in Featured Pubs & Videos

Plant Disease Diagnostic Lab Highlights

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. Diagnostic samples of agronomic crops have included leaf streak on orchardgrass; summer black stem/leaf spot

Posted in Plant Disease Diagnostic Lab