Blog Archives

Soybean Stem Borer: An Unnoticed Bug That May Cause Problems during Harvest and Reduce Yields in Soybeans

Biology & Phenology of Dectes Stem Borer in Kentucky The adult Dectes stem borer, Dectes texanus texanus (Coleoptera: Cerambycidae), is a long horned beetle approximately 3/8 inch long and gray in color. It has long, slender antennae that can be

Posted in Grains

Update on Soybean Rust

With soybean rust being observed in late August in Giles County, Tennessee (south-central TN), and with Hurricanes Harvey and Irma potentially carrying and depositing spores of the soybean rust fungus along its path, the detection of soybean rust in Kentucky

Posted in Grains

Copious Amounts of Honeydew Produced by Sugarcane Aphids Attracts Bees and Other Insects: Do We Need To Be Worried?

Do we need to be concerned about bees feeding on honeydew produced by sugarcane aphids in sorghum fields? This is a question heard on repeated occasions when visiting sorghum fields infested by sugarcane aphids, and it was recently e-mailed to

Posted in Grains

Avoid Making Cover Crops a Pest

The use of cover crops in Kentucky is on the rise with more farmers looking to gain an edge wherever they can.  Cover crops have many benefits, including keeping soils in place over winter, improving soil quality, and in some

Posted in Grains

Is It Soybean Stem Canker…or Something Else?

Several issues in soybean can cause leaf tissue to turn yellow and brown between the veins, while the veins remain green.  These symptoms are known as interveinal chlorosis and necrosis. This article describes some of the diseases and disorders currently

Posted in Grains

True and Fall Armyworms and Black Cutworms May Be Causing Some Damages in Corn and Pastures in Kentucky

Male adult moths of the true armyworm (Mythimna unipuncta), fall armyworm (Spodoptera frugiperda), and black cutworm (Agrotis ipsilon) have been captured in increased numbers during the last couple of weeks in pheromone-based traps in Princeton (Figure 1). As individual species,

Posted in Grains

Sugarcane Aphid: Occurrence in August 2017, Misidentification, and Insecticides Registered for Grain, Forage and Sweet Sorghum

Occurrence Although the sugarcane aphid (Melanaphis sacchari) was not a serious problem in Texas, Kansas, or other states in 2017; its occurrence in Kentucky appears to be problematic due to the high numbers being observed in sweet and forage sorghum

Posted in Grains