Plant Disease Clinic - Mailing Samples

Cushioned mailers, an assortment of boxes, and business reply return labels are available to county extension offices for shipping plant samples to the Plant Disease Clinic. The business reply return label allows samples to be mailed free of charge.

Plant Sample Submission Items

  • EDC 0113PP--Business Reply Return Label
  • EDC 0114PP--10 ½ inch x 16 inch Bubble Cushioned Mailer
  • PDO 25PP--11-¼ inch x 8-¾ inch x 3 inch Box
  • PDO 26PP--11-¼ inch x 8-¾ inch x 6 inch Box
  • PDO 28PP--11-¼ inch x 8-¾ inch x 12 inch Box
  • PD 31--Plant Disease Identification Form

The cushioned mailer, boxes, and business reply return label can be ordered from:

Extension Distribution Center 119 Printing and Publications Bldg. Ames, IA 50011 Phone: 515-294-5247, Fax: 515-294-2945 E-mail: pubdist@iastate.edu

The fee for plant disease diagnosis is $10 and should be included with the plant sample and a completed Plant Disease Identification Form, PD 31. Detailed background information and a representative sample are important for an accurate laboratory diagnosis. A representative sample shows a range of symptoms, from early symptoms to advanced symptoms. Pictures of the overall symptoms and site conditions are very helpful in diagnosing plant health problems.

Details on how to collect an adequate sample for diagnosis can be found in the Iowa State University Extension publication PM-1542 Tips for Providing Insect and Disease Samples to ISU. The Plant Disease Identification Form (PD-31) is available online.

Boxes for mailing samples

Cushioned mailers, an assortment of boxes, and business reply return labels are available to county extension offices for shipping plant samples to the Plant Disease Clinic. The business reply return label allows samples to be mailed free of charge.

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Links to this article are strongly encouraged, and this article may be republished without further permission if published as written and if credit is given to the author, Horticulture and Home Pest News, and Iowa State University Extension and Outreach. If this article is to be used in any other manner, permission from the author is required. This article was originally published on February 22, 2006. The information contained within may not be the most current and accurate depending on when it is accessed.