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 in Kentucky on infected plant material or as pathogen survival structures. Poor sanitation practices can lead to an increased risk of these diseases

Posted in Hemp

Cannabis Aphid Found in Hemp Grown in Greenhouses in Western Kentucky

Problem The plant disease diagnostic lab at the University of Kentucky’s Research and Education Center in Princeton received a sample of industrial hemp (Cannabis sativa) in late January from a grower in Christian County. The plants were growing in a

Posted in Hemp

Southern Blight of Hemp

In 2018, there were significant increases in confirmed cases of southern blight in hemp.  The fungal disease affects a wide range of plant species, as well as hemp. When stems and roots become infected, plants can wilt, decline, and/or die,

Posted in Hemp

Hemp Greenhouse Sanitation: Cleaning Up Today May Keep Disease Away

Diseases are a major concern for greenhouse hemp growers, and they can be a factor that limits the profitable production of plants. The warm, humid greenhouse environment provides optimal conditions for reproduction of many pathogens. A good sanitation program can

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

Sanitation Recommendations for Small-Scale Field Hemp Plantings

Hemp is often considered a disease-free plant. However, no research has been done to determine whether certain pathogens can increase to problematic levels in the field. If disease becomes a significant problem in field-planted hemp, the result can be premature

Posted in Hemp

Powdery Mildew of Hemp Research Yields Valuable Insights for Growers

Interest in hemp production in Kentucky is on the rise. However, little to no information is known about the many diseases that pose a risk to hemp. One of the most common diseases of hemp is powdery mildew. This disease

Posted in Hemp