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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

Septoria Leaf Spot of Hemp

Hemp (Cannabis sativa) is grown both outdoors and in greenhouses.  Outdoor-grown hemp is susceptible to infection by leaf spot fungi that affect other crops and nearby plants, especially during periods of extensive rain or high humidity.  There are three primary

Posted in Hemp

Hemp Russet Mite Detected in Several Areas across Kentucky

Problem During the last 2 weeks of July, several hemp samples were received and evaluated by specialists at the University of Kentucky (Lexington and Princeton).  Hemp russet mites (Aculops cannabicola, Acari: Eriophyidae) (Figure 1) were observed on nearly all of

Posted in Hemp

Powdery Mildew of Hemp

Powdery mildew can affect numerous plants, including fruit, vegetable, and agronomic crops, as well as woody and herbaceous ornamentals. Kentucky hemp is also susceptible to this disease. Plants infected early in the season can be seriously damaged, while those affected

Posted in Hemp

Hemp and Pesticides

Two weeks ago, the Kentucky Department of Agriculture (KDA) posted their statement on Kentucky hemp and pesticides here . With this notification, the KDA listed criteria required in order for a pesticide to be available for use on hemp. A

Posted in Hemp, Pesticide Topics