Blog Archives

Plant Disease Diagnostic Lab Highlights

Although the diagnostic season is not yet in full swing, several greenhouse samples have been received recently.  In addition, unseasonably warm weather during most of January and February has prompted submission of more landscape samples than we typically see in

Posted in Plant Disease Diagnostic Lab

Diagnosis of “No Disease”

Extension agents and growers may occasionally receive diagnostic reports from the University of Kentucky Plant Disease Diagnostic Laboratory that indicate, “no disease was found.”  This may result from an insufficient sample and/or that the plant problem does not result from

Posted in Plant Disease Diagnostic Lab

How NOT to Submit Plant Samples for Diagnosis

When the most beloved landscape or garden plant begins to show symptoms of a problem, or commercial crops start to decline, panic may set in. The two things on everyone’s mind: what is the cause of the problem and what

Posted in Plant Disease Diagnostic Lab

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 and other problems diagnosed on agronomic crops during the past two weeks have included

Posted in Plant Disease Diagnostic Lab

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 southern rust, anthracnose, Diplodia

Posted in Plant Disease Diagnostic Lab

Diagnostic Laboratory Highlights

Diseases diagnosed on agronomic crops during the past week have included Fusarium ear rot on corn; rough leaf spot, zonate leaf spot and sugarcane aphid on sweet sorghum; black shank and frogeye leaf spot on tobacco. On fruit and vegetable

Posted in Plant Disease Diagnostic Lab

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 gray leaf spot and

Posted in Plant Disease Diagnostic Lab