Videos

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Plant and Insect Diagnostic Clinic Update – June 21, 2019

As the fourth of July holiday approaches, please keep in mind this will affect the regular clinic hours. Iowa State University will be closed July 4, and our building will be closed on July 5 for scheduled repairs. We encourage you to get samples to us before July 2 to avoid processing delays. We apologize for any inconvenience.

2019 Morel Mushroom Certification Registration Open

To see all details of the morel certification workshop this year, but also future updates, visit the morel certification page at http://bit.ly/morel-cert

Shade tree resources

The following resources can help while investigating a shade tree problem. the list of resources is compiled and reviewed every spring in preparation for the plant and Insect Diagnostic Clinic hands-on workshop "Diagnosing Health Problems of Woody Plants." during the annual Shade tree short course in Ames IA.

ISU Plant & Insect Diagnostic Clinic

clinic.ipm.iastate.edu  * 515-294-0581

Soybean Cyst Nematode Sample Submission

The PIDC provides soybean cyst nematode egg counts, information about thresholds and rotation information.  

If your sample is from outside of Iowa do not submit it without contacting us we have strict limitations on soil movement.

Form and fee, do not send payment with your sample.  You will receive a statement from Iowa State University.

Boxwood Lovers: Beware of the Blight

Although boxwoods (Buxus sp.) are not native to the U.S., their versatility has made them one of the most popular shrubs for edging, hedges, and topiaries in classic and modern landscapes. We at Iowa Plant and Insect Diagnostic Clinic see few foliar diseases of boxwood, but most commonly we receive photos and samples with symptoms of winter injury.

Plant and Insect Diagnostic Clinic Update – May 23, 2018

The following are highlights and updates about sample submissions for our different services (identification or Plant problem diagnosis from fruit, vegetables, and ornamentals), and questions recently received in the Plant and Insect Diagnostic Clinic. Visit the PIDC's Facebook page for updates and more pictures. For more information on a particular disease or insect problem listed, follow the article cited.

Mycology for Kids- Part 1

During mid-April, our Diagnostician Lina was interviewed by a young gentleman for his school project. He wanted to learn about Mushrooms, mushroom identification, Mycology and meet with the diagnostician to understand what she does at the Plant and Insect Diagnostic Clinic 

This video is part of a series of videos from that interview. We discussed how do we identify mushroom in the clinic, and how the clinic helps train Iowa citizens to recognize true morel mushrooms, avoid false morels and be certified to sell true morel in the state of Iowa legally.  

Submitting Conifers

Needle drop/tip blight samples: collect 2-3 branches approximately 1.5-2 feet in length showing both symptomatic and healthy needles. Watch our video here Collecting Tip and Needle Blight Samples

Submitting Woody Plants

Trees and shrubs problems?

Observe symptoms and patterns, document what you see with pictures while inspecting the plant.  Visit our Digital Photography page for some guidelines.

Follow our guidelines for examining unhealthy trees at the resource Identifying Tree Problems (free pdf)

Submitting annual plants

 leave the plugs in the tray
whole plug trays: leave the plugs in the tray

Observe symptoms and patterns, document what you see with pictures while inspecting the plants (close-up and general distribution in the field, greenhouse, high tunnel etc.).

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