Monthly Archives: July 2021

Fall Armyworm Moth Numbers Increasing

Fall armyworm (FAW) is a migratory pest that re-infests Kentucky each summer and is killed by frost in the fall. It often shows up later in the season after corn has tassled and lost its attractiveness to this pest. But

Posted in Forages

Watch Pastures for True Armyworm

There has been one report of true armyworm in pastures, and moth numbers increased dramatically the week before last in Lexington. While I also have a KPN article on fall armyworm in western Kentucky this week, keep in mind these

Posted in Forages

Southern Blight of Hemp

In 2018, there were significant increases in confirmed cases of southern blight in hemp.  The fungal disease affects a wide range of plant species, including hemp. When stems and roots become infected, plants can wilt, decline, and/or die, resulting in

Posted in Hemp

Cucurbit Downy Mildew Confirmed in Kentucky

On July 27, 2021 cucurbit downy mildew was confirmed on cucumber in south-central Kentucky. Cucurbit downy mildew was reported in Knoxville, Tennessee last week and across the eastern and northeastern U.S.  Disease is likely widespread across the area. Hosts &

Posted in Vegetables

Cucurbit Mesotunnel Research Blog

We have been researching improved conventional and organic control strategies for cucurbit pests and diseases for more than 10 years to develop a practical system that producers can use effectively and dependably. This work have been conducted at the UK

Posted in Vegetables

How Dry Season Affect Woody Plants

Water is an essential component to plant mass and is vital to growth, carbohydrate production, and nutrient transport. During periods of below-average rainfall or when rain distribution is uneven, plant health may decline (Figure 1). Drought conditions or inadequate water

Posted in Landscape Trees & Shrubs

Spotted Lanternfly on our Border

Last week, some distressing news was delivered regarding spotted lanternfly, a worrisome invasive species. Unfortunately, an infestation of this pest was found in Southeastern Indiana, specifically near the city of Vevay in Switzerland County. The location is about 2.4 miles

Posted in Landscape Trees & Shrubs

Stinging Ants in Kentucky

Ants bite! And several in Kentucky can also deliver a painful sting. Just like their close bee and wasp relatives, it is only the female ants that are equipped with stingers for defense. Fortunately with ants, only a few species

Posted in Human Pests

The Basics of Biofumigation (CCD-FS-20)

With their typically broad host ranges, soilborne pathogens and plant-parasitic nematodes can be especially difficult to manage once they become established in soils. Biofumigants can be an option for disrupting disease and nematode life cycles and are especially beneficial when

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

Spider Mites Damage Observed in Soybeans in Western Kentucky

The two-spotted spider mite (Tetranychus urticae) is probably one the most polyphagous pests in the world. Two-spotted spider mites feed on leaves, stems, and fruit of many plant species by piercing cells and sucking out cell contents. This injury causes

Posted in Grains

Sanitation Recommendations for Small-Scale Field Hemp Plantings

Hemp is often considered a disease-free plant. However, research is being done to determine whether certain pathogens can increase to problematic levels in the field. Should disease become a significant problem in field-planted hemp, the result can be premature leaf

Posted in Hemp

Stress and Decline in Woody Plants

Woody trees and shrubs may exhibit decline resulting from the stresses that can occur during their lives. Stress may be the result of improper plant or site selection, incorrect planting or maintenance practices, or poor soil conditions. Injury from equipment,

Posted in Landscape Trees & Shrubs

Non-Monarch Milkweed Munchers

Monarch butterflies are one of the few insects we could describe as “beloved” by much of the public. Due to their popularity, we have seen an increase in folks wanting to create their own monarch plantings made up of milkweed

Posted in Landscapes

Flies and Pink Eye a Problem Again This Summer

Face flies are annoying pests for cattle that can impact the animal’s welfare by just constantly molesting the eyes of our animals. These flies are looking to feed on tears but will also feed on saliva, blood, and nasal discharges.

Posted in Livestock Pests