Blog Archives

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

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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,

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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

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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

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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;

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UPDATE: Tobacco Blue Mold Found In Eastern Tennessee

Tobacco blue mold was identified late last week in Greene County in eastern Tennessee. All tobacco growers in Kentucky, along with Extension agents in tobacco production counties, are once again encouraged to scout for blue mold. By taking appropriate fungicide

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Tobacco Blue Mold Moving Up East Coast

Blue mold of tobacco was found last week in Caswell County, located in central North Carolina. This is further north than its previous known locations in Florida and Georgia. The pathogen that causes blue mold is an obligate oomycete, meaning

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