Brambles

Brambles include plants such as blackberries and raspberries.

A whole plant sample will allow for the most thorough assessment and evaluation. 

  • Dig a declining, but not completely dead, plant so that the fine feeder roots are included in the sample. 
  • Some of the clinging soil can be gently shaken from the roots. 
  • Place the root system in a bag and tie it off at the base of the plant or wrap the root system in foil or plastic wrap to that the soil does not contaminate the leaves.
  • Package the sample in a sturdy box with a completed General Form.
  • Ship or deliver the sample early in the week (Monday-Wednesday) to avoid weekend layovers.

If the the entire plant is not declining and the symptoms are limited to the leaves or canes, then cane sections or cuttings can be sent. 

  • Make the sampling cut several inches below the last visible symptoms of the problem.  Include the transition from affected to unaffected tissue.
  • Send multiple canes showing the range of symptoms from early to late stages.
  • Package the sample in a sturdy box with a completed General Form.
  • Ship or deliver the sample early in the week (Monday-Wednesday) to avoid weekend layovers.

 Sampling hints:

  • Samples should be fresh.
  • Samples should represent the early to middle stages of the development 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.  Use newspaper or other packing materials to pack the sample so that it will not shift in transit.
  • 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.