Submitting Digital Images for Diagnosis​

Submit your digital sample via our app

The Plant Diagnostic Sample Submission app is a joint effort with 8 universities to provide a way to easily submit digital images of plant problems or pests on the go. ​


​​​On Our Websit​e ​On Your Phone
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*Contact your lab for individual fees for processing digital samples.


General Digital Photo Tips

You can help us by following these guidelines:

  • Please check your images before submitting them. If they look out of focus to you, they will not be helpful to us.
  • Send up to 10 images per sample/question.
  • When possible, please include a size reference such as a ruler or a coin. If taking a photo of a ruler, let us know units (ie. Size is about 2 mm).
  • For plant identifications, please include whole plant image, as well as close-ups of plant parts (leaves, flower, fruit, etc.)
  • As with actual samples, please include as much additional information as possible such as: planting date, age of plant, chemicals used, number of plants affected, where found, patterns, when symptoms first noticed, etc.
  • Download our image guide for Tree Diagnosis​

​The Digitally Assisted Diagnosis area provides a standard method of submitting digital samples to the P&PDL for diagnosis or ID. Digital samples submitted to the Plant and Pest Diagnostic Lab are assessed the same charges as physical samples.

We recommend, due t​​​o potential regional diferences in the occurrence of certain plant diseases, and species of plants and insects, that residents of other states first contact their local extension services and diagnostic labs for assistance, prior to submitting digital or physical samples to Purdue's Plant and Pest Diagnostic Lab (PPDL). 

There will be no additional charge for any related follow-up physical samples that might be requested by diagnosticians who require more detail for an accurate identification or diagnosis of the problem than is provided by the digital images submitted.​