Monthly Archives: May 2020

Cane Blight of Brambles

Cane blight occasionally impacts homegrown and commercial raspberries and blackberries in Kentucky. The disease causes lesions to develop on both primocanes (current-year canes) and floricanes (second-year or fruiting canes) and can result in reduced yield and cane death. Fungicides are

Posted in Fruit

Cedar-Hawthorn Rust

Cedar-hawthorn rust is a common disease of apple, crabapple, hawthorn, and ornamental pear in Kentucky; it also affects quince, mountain ash, pear, and serviceberry.  The pathogen overwinters as galls on its alternate hosts, cedar and juniper. Removal of these galls

Posted in Fruit, Landscape Trees & Shrubs

Strawberry Scout Website

The publication An IPM Scouting Guide for Common Problems of Strawberry in Kentucky was first introduced in 2016 as an online/paper version. In order to improve access to this important scouting guide, a mobile website was developed. The Strawberry Scout

Posted in Fruit

Grape Crown Gall (video)

Dr. Nicole Gauthier, UK Plant Pathology Extension Specialist, has created a short video (2:08 minutes) focusing on grape crown gall.  This video provides information on disease appearance and prevention. This video is available online: Grape Crown Gall For additional publications

Posted in Featured Pubs & Videos

2020 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 Uncategorized

To Spray or Not to Spray: Conundrum in Wheat

Many wheat producers in the state have already sprayed a fungicide to help protect against Fusarium head blight (scab).  However, some fields in the state were just nearing the beginning flowering stage (Feekes growth stage 10.51) when the May 9th

Posted in Grains

Watch for Seedling Diseases in Corn

Weather this spring has challenged corn farmers in Kentucky. Temperature swings and frequent rainfall have led to a wide range of corn growth stages, with some corn in early vegetative stages and some corn still in the bag. The cool,

Posted in Grains

Managing Corn Earworm Begins Early

Corn earworm is typically a pest of later-season sweet corn, so why should we bother with worrying about it in May? We are a long way off from the start of harvest, which usually begins close to the 4th of

Posted in Vegetables

Black Rot of Grapes

Black rot is a common disease of grapes in Kentucky. Due to the prevalence of this disease, it is also one of the most economically important diseases of grapes.  Black rot can affect all young, developing, above ground plant tissues.

Posted in Fruit

Woolly Apple Aphids Flaring in Some Orchards

While I have not received reports yet of woolly apple aphid activity on apple trees, there were several commercial orchards last year with serious infestations. In some years, this can be attributed to wounds caused by periodical cicada, but it

Posted in Fruit

Volutella Blight of Boxwood

Volutella blight is the most common disease of boxwood in the landscape. Volutella blight is caused by an opportunistic fungal pathogen that attacks leaves and stems of damaged or stressed plants.  Winter injury, poor vigor, and wounds increase risk for

Posted in Landscape Trees & Shrubs

Dogwood Anthracnose Spotted

Anthracnose of dogwood is a common problem in Kentucky. Symptoms on landscape and forest dogwoods often first appear during wet periods in late spring. If left unmanaged, the pathogen spreads, eventually resulting in plant death.  Selection of resistant varieties and

Posted in Forest Trees, Landscape Trees & Shrubs

Revisiting the European Hornet in Kentucky

With the concern about the Aisan giant hornet reports in Washington State, there have been dozens if not hundreds of suspected reports to county offices and our department from across Kentucky. None of these were the Asian giant hornet, instead

Posted in Human Pests

Cultural Calendar for Commercial Blueberry Production (PPFS-FR-S-29)

Integrated pest management (IPM) includes the combination of biological, cultural, physical, and chemical tools in efforts to manage diseases and pests while minimizing risks associated with pesticides. Cultural practices are an integral part of an IPM program and should be

Posted in Featured Pubs & Videos

2020 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