Yearly Archives: 2018

Common Diseases of Spruce in Kentucky (PPFS-OR-W-24)

Spruce trees, particularly blue spruce (Picea pungens) and Norway spruce (Picea abies), are popular landscape trees in Kentucky. Unfortunately, these trees present problems for homeowners when they show evidence of poor vigor, dieback, or needle drop.  This publication discusses the

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Dothistroma Needle Blight of Pine (PPFS-OR-W-25)

Dothistroma needle blight afflicts some of the pine species commonly planted in Kentucky landscapes, particularly Austrian and Mugo pines. This disease results in brown needles, which may or may not drop from branches, and unsightly trees. This fact sheet covers

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Insects in Livestock Feed and Hay

Insects show great promise AS sustainable food sources for fish, poultry, and swine. Some species can efficiently convert organic waste to nutritional supplements while significantly reducing its mass and making it unsuitable as a breeding site for pests. However, insects

Posted in Livestock Pests

Black Rot of Crucifers (PPFS-VG-01)

Black rot is a common and destructive disease that affects plants in the crucifer family (cole crops) at any growth stage. Black rot has also been referred to as bacterial blight, black stem, black vein, stem rot, or stump rot.

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Blacklegged Tick Adults Active during Winter

Adult blacklegged ticks (Ixodes scapularis) search for blood meals during the winter months (November through March). These cold-hardy ticks can be active whenever the temperature is above freezing. The female has long mouthparts and a distinctive orange-red body with a

Posted in Human Pests

Sucking and Biting Lice

Lice are small, wingless, flat-bodied insects with legs modified for grasping hair shafts. They are generally host-specific. For example, cattle lice will not survive for long on swine. They are obligate parasites because they must have blood meals to develop

Posted in Livestock Pests

When White Pines Turn Brown…Common Problems of White Pines in Kentucky (PPFS-OR-W-22)

Eastern white pine (Pinus strobus) is a popular conifer in many Kentucky landscapes; however, this species is subject to browning as a result of various environmental and disease problems. In Kentucky, brown needles on white pine are often caused by

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