Blog Archives

Holcus Leaf Spot (PPFS-AG-C-06)

Holcus leaf spot, a bacterial disease, can be seen sporadically in Kentucky cornfields.  It can be challenging to diagnose because damage from certain contact herbicides can mimic holcus spot.  This publication describes disease symptoms, conditions that favor disease, and how

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Cleaning and Disinfecting Home Garden Tools and Equipment (PPFS-GEN-17)

Dirty tools, containers, and work surfaces come as no surprise to home gardeners. Rinsing with water to remove obvious soil or plant residues is a common practice. However, this type of basic cleaning can fail to remove microscopic plant pathogens

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Considerations for Diagnosis of Ornamentals in the Landscape (PPFS-GEN-15)

Diagnosing landscape plant problems can be challenging. However, an assessment of the entire growing site may aid in the diagnostic process. This publication was designed to provide a starting point for determining possible causes behind various plant problems.  The step-by-step

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Mulch Mushrooms, Slime Molds & Other Saprophytes (PPFS-GEN-06)

Organic mulches, such as shredded cypress and pine bark, are commonly used in commercial and home landscapes. While providing numerous benefits (soil moisture conservation, weed suppression, aesthetics), mulches also provide a substrate for a diverse group of saprophytic organisms (saprobes),

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An IPM Scouting Guide for Common Problems of Peach in Kentucky (ID-260)

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 peach

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Cultural Calendar for Commercial Strawberry Production (PPFS-FR-S-30)

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

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Southern Blight (PPFS-GEN-16)

Southern blight affects hundreds of different plants, including vegetables, field crops, ornamentals, and fruit. This disease is also known as southern stem blight, basal stem rot, Sclerotium blight, crown rot, and white mold (not to be confused with Sclerotinia white

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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

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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

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Cultural Calendar for Commercial Bramble Production (PPFS-FR-S-28)

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

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Sampling for the Tall Fescue Endophyte in Pasture or Hay Stands (PPA-30)

Tall fescue growing in Kentucky can be colonized by the tall fescue endophyte, a fungus which causes disorders in livestock that feed on the infected grass. The first step to minimizing the impact of endophyte-infected grass on herd productivity is

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Maintaining the Efficacy of Foliar Fungicides for Tobacco Disease Management (PPFS-AG-T-05)

Fungicides are organized into groups based on their mode of action (the mechanism a pesticide or chemical affects its target pest). Managing fungicide resistance often necessitates alternating the use of chemicals with different modes of action (FRAC groups).  Alternating FRAC

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Brown Rot of Peach (PPFS-FR-T-27)

Brown rot is the most devastating disease of peach in Kentucky; commercial and backyard orchards can be affected. Crop losses primarily result from fruit decay, but blossom blight and branch cankers also occur. All stone fruit (peach, nectarine, plum, and

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Apple Disease Videos

Dr. Nicole Gauthier, Extension Plant Pathologist, has created short (less than 3 minutes) videos that focus on two important apple diseases in Kentucky: fire blight and rust.  These videos provide information on the disease appearance, prevention, and protection programs. The

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Target Spot & Frogeye Leaf Spot of Field-grown Tobacco (PPFS-AG-T-07)

Target spot and frogeye leaf spot are the major fungal leaf spot diseases of tobacco grown in Kentucky.  These diseases may initially occur in greenhouse transplants, quickly becoming more severe when symptomatic plants are placed in the field.  Field infections

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