Blog Archives

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

Common Problems of Common Trees (PPFS-OR-W-30) & Common Problems of Common Shrubs (PPFS-OR-W-31)

Trees and shrubs are important aspects of landscapes and woodlands. However, these woody ornamentals may experience a wide range of issues, including diseases, insects, and abiotic disorders. The most frequently observed problems of trees and shrubs commonly growing in Kentucky

Posted in Featured Pubs & Videos

Black Root Rot of Ornamentals (PPFS-OR-03)

Black root rot can affect a wide range of ornamentals in residential and commercial landscapes, nurseries, and greenhouses. In Kentucky, this disease is commonly observed on Japanese and blue hollies, inkberry, pansy, petunia, and vinca. In addition to ornamentals, numerous

Posted in Featured Pubs & Videos

Garden Mum Production: Diseases and Nutritional Disorders (PPFS-OR-H-02)

Many Kentucky vegetable and greenhouse producers are including fall chrysanthemum production in their operations. Garden mums are usually planted in June and sold in September when fall color is in demand. Unfortunately, diseases and nutritional disorders can cut into producer

Posted in Featured Pubs & Videos

Grape Downy Mildew (video)

Dr. Nicole Gauthier, Plant Pathology Extension Specialist, has created a short video (2:44 minutes) focusing on grape downy mildew.  This video provides information on disease appearance, disease cycle, and management.   Grape Downy Mildew is available online. For additional publications on

Posted in Featured Pubs & Videos

Flowering Dogwood Diseases (PPFS-OR-W-06)

The flowering dogwood (Cornus florida) is one of the most popular ornamental trees in Kentucky landscapes. Unfortunately, some common diseases can threaten the health of these beautiful trees in both residential and commercial settings. This publication covers the most common

Posted in Featured Pubs & Videos

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 three most commonly observed cane

Posted in Featured Pubs & Videos

Verticillium Wilt of Woody Plants (PPFS-OR-W-18)

Verticillium wilt is a soil-borne fungal disease that can affect a wide range of ornamental trees and shrubs, as well as a number of tree fruits and woody small fruits. Over 400 woody and herbaceous plant species have been reported

Posted in Featured Pubs & Videos

Fire Blight (PPFS-FR-T-12)

Fire blight is a highly destructive disease of apple and pear that can occur in commercial orchards and residential plantings. Many landscape trees and shrubs in the rose family are also susceptible to this disease. Under favorable environmental conditions, fire

Posted in Featured Pubs & Videos

Gummy Stem Blight & Black Rot of Cucurbits (PPFS-VG-08)

Gummy stem blight is an important disease of cucurbits in many parts of Kentucky. Under conditions favorable to disease development, commercial growers and home gardeners may experience heavy losses. Gummy stem blight is the name given to the disease when

Posted in Featured Pubs & Videos

Edema (PPFS-GEN-18)

Edema (or oedema) is a nonparasitic disorder that, under the right environmental conditions, can affect a wide variety of herbaceous plants. This problem is most frequently observed in greenhouses on ornamentals and vegetable transplants, but it may also occur on

Posted in Featured Pubs & Videos

Shade Tree Anthracnose (PPFS-OR-W-23)

Anthracnose is the common name given to several fungal shade tree diseases with similar dark, irregularly-shaped leaf lesions. While they are primarily foliar diseases, damage on some hosts may extend to twigs, branches, and buds.  Resulting defoliation and dieback, especially

Posted in Featured Pubs & Videos

An IPM Scouting Guide for Common Problems of Strawberry in Kentucky (ID-238)

Scouting and monitoring crops to determine potential problems before they result in serious economic loss is key to the Integrated Pest Management (IPM) approach. This IPM guide was designed to aid in the identification of common problems encountered in strawberry

Posted in Featured Pubs & Videos

Commercial Strawberry Fungicide Spray Schedule Worksheet & Sample Spray Guide (PPFS-FR-S-26)

A worksheet with a sample spray guide is available for commercial strawberry growers. This easy-to-use two-page publication is designed to assist growers in planning an appropriate fungicide spray schedule for common strawberry diseases. Commercial Strawberry Fungicide Spray Schedule Worksheet &

Posted in Featured Pubs & Videos

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 newly revised publication provides information on cucurbit hosts,

Posted in Featured Pubs & Videos