ID-194: Diagnosing Plant Problems: Kentucky Master Gardener Manual Chapter 6

Jessica Bessin, Rick Durham, Nicole Ward Gauthier, Adam Leonberger, Kimberly Leonberger, Matthew Springer, Lee Townsend, Stacy White, Erica Wood | Jan. 16, 2024 (Major Revision)

For those with a green thumb, growing plants may seem easy. However, when plant problems arise, determining the cause of these issues can be difficult. Developing the skills necessary to determine the cause of a plant problem takes experience and time.

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ID-1: The Kentucky Extension Master Gardener Program

Sharon Bale, Tom Barnes, Jessica Bessin, Kenneth Clayton, Rick Durham, Bill Fountain, J.D. Green, Kelly Jackson, Krista Jacobsen, Jonathan Larson, Brad Lee, Kimberly Leonberger, Adam Leonberger, Gregg Munshaw, A.J. Powell, Edwin Ritchey, Rachel Rudolph, Robbie Smith, Matthew Springer, Lee Townsend, Nicole Ward Gauthier, Stacy White, Mark Williams, Erica Wood, Shawn Wright | Aug. 24, 2023 (New)

Plants are essential to life on earth. Either directly or indirectly, they are the primary food source for humans and other animals. Additionally, they provide fuel, replenish the earth's oxygen supply, prevent soil erosion, slow down wind movement, cool the atmosphere, provide wildlife habitat, supply medicinal compounds, and beautify our surroundings.

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

Amy Aldenderfer, Adam Leonberger, Kimberly Leonberger, Nicole Ward Gauthier | Jul. 1, 2019 (Minor Revision)

Diagnosing plant problems can be challenging. A site visit can provide the information necessary for a complete and accurate diagnosis. However, once on-site, it is important to know how to proceed. The following guidelines are intended to assist in the process of gathering pertinent information and determining a possible cause. Often abiotic conditions such as environment, mechanical damage, or living organisms like insects or wildlife may be to blame. Should the field site diagnosis be inconclusive and samples need to be submitted to the UK Plant Diagnostic Laboratories, the information gathered here can provide valuable supplementary information.

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PPFS-OR-W-26: Volutella Blight of Boxwood

Adam Leonberger, Nicole Ward Gauthier | Aug. 1, 2017 (New)

Volutella blight (also called Pseudonectria canker) is the most common disease of boxwood in Kentucky landscapes and nurseries. This disease is caused by an opportunistic fungal pathogen that attacks leaves and stems of damaged or stressed plants. Winter injury, poor vigor, and stem wounds increase risk for Volutella blight. All species and cultivars of boxwood are susceptible.