Blog Archives

Submitting Plant Specimens for Disease Diagnosis (PPFS-GEN-09)

The accurate diagnosis of a plant problem is critical to knowing what strategies will be needed for current management and/or prevention of future problems.  When diagnostic assistance is needed, Kentucky homeowners and commercial growers can submit plant samples to their

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Blackberry Rosette (Double Blossom) (PPFS-FR-S-03)

Blackberries are a popular fruit grown for both home and commercial production in Kentucky. A significant challenge, however, is the presence of several fungal diseases that require careful cultivar selection and management during the growing season. Blackberry rosette, also known

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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

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IPM Scouting Guides for Common Problems of Fruit Crops

One of the key components of IPM is to frequently scout and monitor crops to identify problems before they result in significant economic losses. Proper identification of pathogens, insect pests, nutritional, and physiologic disorders, as well as herbicide drift, is

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Black Rot of Grape (PPFS-FR-S-16)

Black rot is the most prevalent and one of the most important grape diseases in Kentucky. While this disease can affect all young developing plant tissues above ground, fruit infections are the most destructive. Without an adequate disease management program,

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Rose Rosette Disease (PPFS-OR-W-16)

Rose rosette is a devastating disease that is a threat to virtually all cultivated roses (Rosa spp.) in Kentucky, regardless of cultivar. Even rose cultivars known for their exceptional disease resistance and hardiness are susceptible to rose rosette disease. Losses

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Seedling Diseases of Corn (PPFS-AG-C-02))

Corn seedling diseases are caused by several soil or seed-inhabiting fungi or fungus-like organisms (oomycetes) that are favored by cool, wet soil conditions during and after planting. Infected seeds may rot after germination, preventing emergence or causing plant collapse soon

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Disease Susceptibility & Resistance of Common Apple Cultivars (PPFS-FR-T-28)

Compiled from University of Kentucky and Cornell University disease resistance and susceptibility information, this new publication provides disease rating guidance for many apple cultivars grown in and/or recommended for Kentucky.  Where this information is available, cultivars are rated from highly

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Drone Fungicide Applications in Corn (PPFS-AG-C-11)

Foliar fungicides are commonly applied to corn to manage foliar diseases, such as gray leaf spot. The most effective and beneficial time to make these applications is at tasseling/early silking. Because of the height of corn at this growth stage,

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“Wet Feet” of Ornamentals (PPFS-OR-W-04)

“Wet feet” is the common term for a condition that affects plant species intolerant of wet growing conditions.  This problem occurs when soils become saturated with water for prolonged periods, injuring roots.  Once root damage occurs, plants decline and may

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Woody Plant Disease Management Guide for Nurseries & Landscapes (PPFS-OR-W-29)

Woody ornamentals can succumb to various adverse factors, including infectious (biotic) diseases and non-infectious (abiotic) problems, as well as a combination of both.  Accurate diagnosis is essential to determine the best way to manage these problems and prevent future occurrences.

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Canker Sampling of Trees and Woody Ornamentals (PPFS-OR-W-27)

Cankers form on trees and other woody plants as the result of infection by fungal or bacterial pathogens.  Dieback, decline, structural failure, or plant death can result.  Plants stressed by poor planting practices, improper maintenance, extreme weather, insect damage, mechanical

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An IPM Scouting Guide for Common Problems of Cucurbit Crops in Kentucky

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 on cucurbit

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An IPM Scouting Guide for Common Problems of High Tunnel and Greenhouse Vegetable Crops in Kentucky (ID-235)

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 on vegetable

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An IPM Scouting Guide for Common Problems of Legume Vegetables in Kentucky (ID-227)

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 vegetable legume (bean and

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