Blog Archives

Last Year’s Hemp Diseases Equal This Year’s Disease Risk

Disease presence last year can indicate a risk for the same disease this year. Many pathogens overwinter on infected plant material or as pathogen survival structures. Poor sanitation practices can lead to an increased risk of these diseases in the

Posted in Hemp

2020: List of Products for the Management of Insects and Mites in Commercial Hemp

For the 2020 growing season, the Kentucky Department of Agriculture (KDA) has a list of pesticides registered for commercial hemp in the following link: Pesticide Products Registered for Industrial Hemp in Kentucky. This link should be checked periodically as new

Posted in Hemp

Two Additional Insecticides Are Registered under Section 24(c) to Manage Insect Pests on Hemp in Kentucky

Two additional products recently received Environmental Protection Agency (EPA) approval under State Local Need Section 24(c) registrations for use against insect pests on hemp. These are Gemstar, a naturally occurring nucleopolyhedrovirus (HzSNPV), and Agree WG, a biological insecticide effective against

Posted in Hemp, Pesticide Topics

EPA Approves Use of 10 New Pesticide Products for Hemp

Last Month, the Environmental Protection Agency (EPA) announced that it has approved 10 pesticides for use on Hemp for the 2020 growing season. Nine of these products are biopesticides and one is a conventional pesticide. This expands the tools producers

Posted in Hemp, Pesticide Topics

Tachinid Flies Might Have Been Actively Working this Season in Kentucky

This past July I observed tachinid flies around conglomerations of June bugs and Japanese beetles while tallying insects in industrial hemp fields (Figure 1). Yaziri Gonzalez (graduate student in Entomology) collected stink bugs in soybean fields in central and western

Posted in Grains, Hemp

Heligen® is Registered under Section 24(c) to Manage Corn Earworm in Industrial Hemp in Kentucky

A naturally occurring baculovirus (Helicoverpa zea nucleopolyhedrovirus) with the commercial name of Heligen® was registered in Kentucky under FIFRA Section 24(c) (Heligen 24c KY190041 SLN Acknowledgement Letter_20190925). This is a highly specific virus used to control corn earworm (Helicoverpa zea)

Posted in Hemp, Pesticide Topics

Corn Earworm Outbreaks in Industrial Hemp in Kentucky: September – 2019

Helicoverpa zea (formerly Heliothis zea) is an insect that affects many crops and is known with different common names, depending on the crop it affects: cotton bollworm, soybean podworm, tomato fruitworm, or corn earworm. The larva of this noctuid moth

Posted in Hemp