Agronomic Crops

Ohio supports many different types of agronomic crops. Please select the section, located on the left hand side, that best describes your sample crop type for more specific sampling information.

Please use these guidelines for submitting a sample.

  • Samples should be fresh.
  • Samples should represent the early to middle stages of the problem.  A completely dead and decaying sample cannot be reliably diagnosed.
  • Samples should be carefully packaged and shipped early in the week to avoid weekend layovers during which the sample will deteriorate.
  • Be sure to include sample documentation and background information.  The specimen form can be downloaded from: General Form
  • Pictures of the problem in the field are always helpful.  The environmental conditions of the plant can play an important role in the diagnosis.