Blog Archives

How NOT to Submit Plant Samples for Diagnosis

Spring brings with it fresh, new plant growth and gardeners filled with enthusiasm. However, when landscape or garden plants begin to show symptoms of a problem, or when commercial crops start to decline, the two questions from home gardeners’ and

Posted in Plant Disease Diagnostic Lab

Plant Disease Diagnostic Lab Highlights

The following plant disease highlights have been compiled from samples submitted to the University of Kentucky Plant Disease Diagnostic Laboratories from June 1 to June 30, 2020. Diagnostic samples of agronomic crops have included Rhizoctonia damping off, Lepto leaf spot,

Posted in Plant Disease Diagnostic Lab

Plant Disease Diagnostic Lab Highlights

The following plant disease highlights have been compiled from samples submitted to the University of Kentucky Plant Disease Diagnostic Laboratories from May 1- June 1, 2020. Diagnostic samples of agronomic crops have included Rhizoctonia damping off on alfalfa; Pythium and

Posted in Plant Disease Diagnostic Lab

Plant Disease Diagnostic Lab Highlights

The following plant disease highlights have been compiled from samples submitted to the University of Kentucky Plant Disease Diagnostic Laboratories from February 1 to February 25, 2020. Diagnostic samples of agronomic crops have included russet mite on hemp. On fruit,

Posted in Plant Disease Diagnostic Lab

Plant Disease Diagnostic Lab Highlights

The following plant disease highlights have been compiled from samples submitted to the University of Kentucky Plant Disease Diagnostic Laboratories from October 1 to October 29, 2019. Diagnostic samples of agronomic crops have included soybean stem borer on soybean; Pythium

Posted in Plant Disease Diagnostic Lab

Plant Disease Diagnostic Lab Highlights

The following plant disease highlights have been compiled from samples submitted to the University of Kentucky Plant Disease Diagnostic Laboratories from September 1-17, 2019. Diagnostic samples of agronomic crops have included summer black stem/leaf spot and anthracnose on alfalfa; Diplodia

Posted in Plant Disease Diagnostic Lab

Plant Disease Diagnostic Lab Highlights

The following plant disease highlights have been compiled from samples submitted to the University of Kentucky Plant Disease Diagnostic Laboratories from July 30 – August 20, 2019. Diagnostic samples of agronomic crops have included common rust, southern rust, Diplodia leaf

Posted in Plant Disease Diagnostic Lab

Plant Disease Diagnostic Lab Highlights

The following plant disease highlights have been compiled from samples submitted to the University of Kentucky Plant Disease Diagnostic Laboratories from July 2-8, 2019. Diagnostic samples of agronomic crops have included common rust, southern rust, Diplodia leaf streak, gray leaf

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

Plant Disease Diagnostic Lab Highlights

The following plant disease highlights have been compiled from samples submitted to the University of Kentucky Plant Disease Diagnostic Laboratories from July 2-8, 2019. Diagnostic samples of agronomic crops have included common rust, southern rust, northern leaf blight, Diplodia leaf

Posted in Plant Disease Diagnostic Lab

Plant Disease Diagnostic Lab Highlights

The following plant disease highlights have been compiled from samples submitted to the University of Kentucky Plant Disease Diagnostic Laboratories from July 2-8, 2019. Diagnostic samples of agronomic crops have included Northern leaf blight and common rust on corn; Rhizoctonia

Posted in Plant Disease Diagnostic Lab

Plant Disease Diagnostic Lab Highlights

  The following plant disease highlights have been compiled from samples submitted to the University of Kentucky Plant Disease Diagnostic Laboratories from July 2-8, 2019. Diagnostic samples of agronomic crops have included decline from shallow planting on corn; Lepto leaf

Posted in Plant Disease Diagnostic Lab

Plant Disease Diagnostic Lab Highlights

The following plant disease highlights have been compiled from samples submitted to the University of Kentucky Plant Disease Diagnostic Laboratories from June 18 to June 25, 2019. Diagnostic samples of agronomic crops have included Lepto leaf spot, summer black stem,

Posted in Plant Disease Diagnostic Lab

Plant Disease Diagnostic Lab Highlights

The following plant disease highlights have been compiled from samples submitted to the University of Kentucky Plant Disease Diagnostic Laboratories from June 18 to 25, 2019. Diagnostic samples of agronomic crops have included Lepto leaf spot on alfalfa; Septoria leaf

Posted in Plant Disease Diagnostic Lab

Plant Disease Diagnostic Lab Highlights

The following plant disease highlights have been compiled from samples submitted to the University of Kentucky Plant Disease Diagnostic Laboratories from June 4-18, 2019. Diagnostic samples of agronomic crops have included leaf streak on orchardgrass; Lepto leaf spot on alfalfa;

Posted in Plant Disease Diagnostic Lab