Blog Archives

Fly Species that Thrive on Decomposing Organic Matter and Moist Environments Stand Out in the 2019 Planting Season in Different Crop Systems

Since mid-March until the beginning of May, reports, inquiries, and personal observations on the presence of several worms or flying insects that are becoming abundant on alfalfa, wheat and tobacco have caught my attention. All these fly species feed on

Posted in Forages, Grains, Tobacco

Crane Fly Larvae Might Be on the Rise in Soggy Alfalfa Fields

Problem A sample of alfalfa plants from Muhlenberg County was submitted by Darrell Simpson (Agriculture & Natural Resources Agent in Muhlenberg, KY) to the Plant Disease Diagnostic Laboratory at the University of Kentucky’s Research and Education Center in Princeton on

Posted in Forages

Ideal Spring for “Hopperburn” on Alfalfa

Potato leafhopper (PLH) is a key pest of spring-seeded alfalfa. Small size makes PLH an easily overlooked, but costly, pest. Top pest management priority should go to spring-seeded stands. The recommended 70 to 90 day growth period before first harvest

Posted in Forages

Alfalfa Weevil Season Running Behind 2017 Pace

Degreeday (dd) accumulations provide the best way to estimate progress of the alfalfa weevil season.  Totals from January 1 through March 31 for 2017 and 2018 can be seen in the table below. The relatively cooler winter and spring for

Posted in Forages

Alfalfa Weevils Are Hardy

The recent snow and cold should have little effect on developing alfalfa weevil populations. Temperatures must drop below minus 7o to minus 10o F to be lethal to eggs deposited in plant stems. Small larvae are killed by temperatures of

Posted in Forages

Be Ready for the Alfalfa Weevil!

Alfalfa weevil is the key pest of the first cutting. Populations have been above normal over much of the state during the past 2 years, so it is important to be watchful this spring. High populations may last for 2

Posted in Forages

Sugarcane Aphid Detected on Sweet Sorghum

This past week, sugarcane aphid was detected and confirmed infesting sweet sorghum in Monroe County. The next day, we detected it in Fayette County on sweet sorghum as well. These are the first confirmed detections of 2017 and are a

Posted in Forages, Grains