Blog Archives

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

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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

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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 &

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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,

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Diplodia Tip Blight of Pine (PPFS-OR-W-21)

Diplodia tip blight is a serious disease of landscape pines in Kentucky, resulting in needle death and dieback. Austrian (Pinus nigra), Scots (P. sylvestris), and Mugo (P. mugo) pines are most commonly affected.  As branch dieback progresses upward in diseased pines, trees

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Juniper Twig Blights (PPFS-OR-W-11)

Twig and branch dieback is extremely common in many juniper plantings in Kentucky. While other factors can be responsible for these general symptoms, Phomopsis twig blight or Kabatina twig blight are often the cause. This newly revised publication discusses hosts,

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Strawberry Anthracnose Fruit & Crown Rot (PPFS-FR-S-05)

Anthracnose diseases can severely reduce plant stands and yields in commercial and residential strawberry plantings. Disease may develop on blossoms, fruit, petioles, runners (stolons), leaves, and crowns; however, it is most destructive when fruit and/or crowns are affected. This newly

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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

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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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Transplant Shock: Disease or Cultural Problem? (PPFS-OR-W-19)

When trees and shrubs are moved from one growing site to another (e.g. from nursery to landscape), they endure stress. If care is taken to minimize stress through proper transplanting techniques and maintenance, plants are likely to recover rapidly and

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Damping-off of Vegetables and Herbaceous Ornamentals (PPFS-GEN-03)

Commercial growers and homeowners who grow their own transplants from seed should be mindful of damping-off, a disease that can cause seeds to fail to germinate, as well as the collapse of seedlings and young plants.  Damping-off can occur on

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Northern Corn Leaf Blight (PPFS-AG-C-10)

Northern corn leaf blight (NCLB) is a significant foliar corn disease in Kentucky. It has been causing damage in the United States Corn Belt since the early 1900s, but has increased in severity and prevalence throughout the U.S., including Kentucky.

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Managing Spring Dead Spot in Bermudagrass (PPFS-OR-T-13)

Spring dead spot is the most destructive disease of bermudagrass in Kentucky. While this disease can occur regardless of how turf is managed, the most serious outbreaks occur under high maintenance conditions (e.g. high nitrogen fertility, low mowing height, and

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Sooty Blotch & Flyspeck of Apple (PPFS-FR-T-16)

Sooty blotch and flyspeck (SBFS) were once thought to be two separate diseases, but research has shown that they are a single complex of as many as 100 different fungal species.  SBFS commonly appears in late summer and results in

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Fruit Rots of Cucurbits (PPFS-VG-07)

Fruit diseases can cause a complete loss of cucurbit yields in commercial fields, as well as in residential gardens. Affected crops in the Cucurbitaceae family include cucumber, muskmelon (cantaloupe), pumpkin, summer squash, winter squash, and watermelon.  The major diseases discussed

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