Blog Archives

Apple Production Practices and Pest Management

During the past 10 years, orchard practices in Kentucky have changed dramatically. Many of these practices contributed to conditions conducive for diseases and pests. Growers began to shift from traditional plant spacing to high density plantings, increasing tree stress and

Posted in Fruit

Apple Diseases

Kentucky apple growers are faced with numerous plant disease issues throughout growing seasons. These diseases limit grower profits by reducing yield and increasing input costs. Diseases of Greatest Concern to Growers While diseases of concern may vary from orchard to

Posted in Fruit

Fruit, Orchard, and Vineyard Sanitation: Cleaning Up Today May Keep Disease Away

Autumn has arrived in Kentucky, and it is time to focus on fruit, orchard, and vineyard sanitation. Good sanitation practices can help reduce disease-causing pathogens.  Good sanitation practices can help reduce disease-causing pathogens.  These organisms can survive for months or

Posted in Fruit

Sooty Blotch & Flyspeck Make for Ugly Apples

The time for apple harvest in Kentucky has arrived, bringing with it the possibility of less than perfect looking apples. Sooty blotch and/or flyspeck are one of many causes for blemished, ugly apples. The two fungal diseases occur together as

Posted in Fruit

The Rotten Truth about Bitter Rot

While fruit rots have a variety of causes, the most common fungal fruit rot of apple in Kentucky is bitter rot. The disease results in rotten, inedible fruit. Fungicides are available for management; however, sanitation is critical for disease prevention.

Posted in Fruit

Phomopsis Twig Blight & Stem Canker of Blueberry

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

Posted in Fruit

Apple Bitter Rot Season is Upon Us

While fruit rots have a variety of causes, the most common fungal fruit rot of apple in Kentucky is bitter rot. The disease results in rotten, inedible fruit. Fungicides are available for management; however, sanitation is critical for disease prevention.

Posted in Fruit

Apple Scout Website

The publication An IPM Scouting Guide for Common Problems of Apple in Kentucky was first introduced in 2014 as an online/paper version. In order to improve access to this important scouting guide, a mobile website was developed. The Apple Scout

Posted in Fruit

Downy Mildew of Grape

Downy mildew is an important disease of commercial and backyard grapes in Kentucky. Warm, wet, humid weather conditions favor infection and disease development. When flowers, clusters, and shoots become infected by downy mildew, yield losses result. This disease may also

Posted in Fruit

Assessing and Utilizing UK Extension Resources for Commercial Fruit Production

The University of Kentucky Extension team has put together numerous resources for commercial fruit growers regarding production and pest management. However, many growers are not aware of the wide range of publications, newsletters, websites, and other resources that are available

Posted in Fruit

Hanging by a Thread

Dead, curled leaves dangling by fungal “threads” are typical of a disease called thread blight.  This disease is more common in eastern Kentucky, where it has been observed on apple, cherry, and viburnum.  Other potential hosts include cotoneaster, dogwood, gooseberry,

Posted in Fruit, Landscape Trees & Shrubs

Cherry Leaf Spot

Cherry leaf spot is a fungal disease of sweet, sour, and ornamental cherries. While this leaf disease is rarely a death sentence for trees, it can result in reduced blossoms, weakened trees, and increased risk for winter injury. Cherry Leaf

Posted in Fruit, Landscape Trees & Shrubs

Bramble Scout Website

The publication An IPM Scouting Guide for Common Problems of Brambles in Kentucky was first introduced in 2018 as an online/paper version. In order to improve access to this important scouting guide, a mobile website was developed. The Bramble Scout website

Posted in Fruit

Grape Scout Website

The publication “An IPM Scouting Guide for Common Problems of Grape in Kentucky” was first introduced in 2019 as an online/paper version. In order to improve access to this important scouting guide, a mobile website was developed. The Grape Scout

Posted in Fruit

Orange Rust:  Non-Curable Disease in Brambles

Orange rust of brambles can be a concern for Kentucky blackberry and raspberry growers. The first symptoms are often noticed in early spring when newly formed shoots appear weak and spindly. Once infected, the pathogen spreads throughout the entire plant.

Posted in Fruit