Plant Disease Diagnostic Lab Highlights

The following plant disease highlights from the UK Plant Disease Diagnostic Laboratories represent recent sample submissions from field crops, fruit, vegetables, and ornamentals. During the past week, agronomic crop diagnoses included southern leaf blight on corn; brown spot, frogeye, downy

Posted in Diagnostic Lab Highlights

2014 Insect Trap Counts

Weekly trap counts for major insect pests are provided by the Kentucky IPM Program. Traps are located at the UK Research Center in western Kentucky and the UK Spindletop Farm in Lexington.  Below are trap counts for the current period.

Posted in Insect Trap Counts

Black Legume Aphid in Alfalfa: Watch Fall-Seeded Fields Closely

The black legume aphid (or cowpea aphid) is an unfamiliar sight in Kentucky alfalfa; however, there were many established colonies on alfalfa in Fayette County late last week. Adults have shiny black bodies; nymphs are slate gray. The legs are

Posted in Forages

May Not Be a Problem, But We’re Trapping Large Numbers of Stink Bugs!

Certainly this is the time to be checking your soybeans for the presence of stink bugs. I have not noticed economically important problems in the beans I have sampled, but stink bugs are certainly common and our light traps have

Posted in Grains

Spotted Wing Drosophila Update

Spotted wing drosophila (SWD) is in high numbers in many parts of the state and has overwhelmed control efforts in some areas. Fall red raspberry (Figure 1) harvest is underway and some growers have not been able to get adequate

Posted in Fruit

Soil-borne Pathogens Serve as the Biggest Threat to Mum Production in KY

Many of our vegetable and greenhouse producers are beginning to include fall chrysanthemum production in their operations.  Mums are usually planted in June and sold in September when fall color is in demand.  In Kentucky, mum production can vary in

Posted in Ornamentals

Oleander Aphids on Monarch Project Plants

Plants grown to attract monarch butterflies may become infested with bright yellow oleander aphids. Colonies of these small sap-feeding insects live on stems, foliage, and seedpods of oleander, butterfly weed, and milkweed. All of these aphids are females; however, they

Posted in Ornamentals
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