Items: May 2025
Pyrethroid Resistance in Fall Armyworm in KY Wheat: Prevention & Management
By Felipe Batista and Raul Villanueva
Published on May. 19, 2025
In October 2024, we received a report of a fall armyworm (Spodoptera frugiperda) (Lepidoptera: Noctuidae) outbreak in a wheat field in Daviess County, western Kentucky (Figure 1). After visiting the field, we collected 82 live caterpillars after the application of a pyrethroid insecticide.
Timing is Key – Describing the Critical Stages of Yield Production
By Dennis Egli
Published on May. 19, 2025
The effect of management practices or stress on corn and soybean yields often depends upon when it happens. It’s not just how dry it is or how hot it is, but when it’s hot or dry. ‘When’ refers to what the crop is doing. As with most things in life – timing is all important.
Corn Diseases Associated with Ponding
By Kiersten Wise
Published on May. 15, 2025
Two minor diseases, crazy top and Physoderma brown spot, may be problematic in areas where corn is underwater for 24 to 48 hours. Published in Kentucky Pest News
Late-season management tips for winter wheat
Published on May. 12, 2025
By Jennifer Elwell. Sources: Chad Lee, Travis Legleiter, Raul Villanueva, and Carl Bradley May is the prime time to scout and take action for wheat for diseases, insects and weeds.
Aphids Landing on Small Cereals a Little Bit Late to Cause Major Concerns
By Raul Villanueva
Published on May. 1, 2025
From January until mid-April, the entomology program for small cereals in Princeton monitored aphid populations in wheat planted on four different dates (from mid-September to December 1, 2024). Aphids were largely absent during this period. However, from mid-March to mid-April, an average of fewer than two aphids per 1-foot-row was recorded.
