Blog Archives

Vegetable and Tobacco Diseases to Scout for: Botrytis Gray Mold

Kentucky vegetable and tobacco growers should be on the lookout for Botrytis gray mold. This disease may occur in fields under humid conditions, but it is most common in greenhouses and high tunnels. Botrytis gray mold can also affect numerous

Posted in Greenhouses/High Tunnels, Tobacco, Vegetables

Tobacco Floatbed Disease Management Reminders

Now that most tobacco trays have been seeded, some reminders on minimizing disease as seedlings size up for transplanting. Pythium Root Rot The most common disease occurring in float bed plants, Pythium root rot is managed with a combination of

Posted in Tobacco

Tobacco Flea Beetles & Hornworms

Flea Beetles Tobacco flea beetles (Figure 1) usually are a common problem right after tobacco is transplanted. Overwintered adults fly into fields to feed before laying eggs around the base of newly-set tobacco and other solanaceous plants. Flea beetle larvae

Posted in Tobacco

Black Shank of Tobacco More Common In 2016

While 2015 was a light to moderate year for black shank of tobacco, 2016 is proving to be much more challenging. Black shank can be the most yield-limiting disease of tobacco, and once a field is infested with the pathogen,

Posted in Tobacco

Take Aim at Tobacco Target Spot & Frogeye Now

In our research plots and in grower fields, we are beginning to see target spot and frogeye pressure. Target spot is caused by Thanatephorus cucumeris (more commonly known as Rhizoctonia solani) and frogeye is caused by Cercospora nicotianae. These are

Posted in Tobacco

Update on Tobacco Blue Mold: Spread Continues, Scout Fields Now

Tobacco blue mold has now been identified in southern Virginia as well as Pennsylvania; this is an additional range expansion over last week’s identification in eastern Tennessee. Dr. Chuck Johnson, plant pathologist specializing in tobacco in Virginia, reports that the

Posted in Tobacco

Plant Disease Diagnostic Lab Highlights

The following plant disease highlights from the University of Kentucky Plant Disease Diagnostic Laboratories represent recent sample submissions from field crops, fruit, vegetables, and ornamentals. Diseases diagnosed on agronomic crops during the past week have included brown spot on soybean;

Posted in Tobacco