Transcript Sample Submission Review

Sample Submission Review
• Accurate Diagnosis depends on a
good sample and symptom
description
Enter sample
information into
PDIS (Plant Disease
Information System)
Samples must contain the right material:
an entire plant or several plants if practical
Foliage diseases
Keep most roots and
soil intact if possible
Diseases may
show up on any
part of the
plant.
Check for injuries, disease
on the main stem/trunk
Dead Plants Tell no Tales
 Avoid dead plants
 Choose plants which show
a range of symptoms:
moderate to severe
Packaging & Shipping
Good
Intentions
Actual Results
Packaging and Shipping blunders
Soil on foliage during
shipping creates
“diseases” that were
not there when the
sample was collected.
Packaging and shipping blunders
Sample
soup
Don’t add water or wrap in wet paper towels
Good Packaging
 Plastic bag to keep soil
on roots
 Dry paper towels to
protect leaves from
contact with plastic bag
Collect samples with mild, moderate, and severe
symptoms as well as a healthy comparison
Sample Submission
Send in whole plants with roots
whenever possible.
• Keep some soil around the
root ball
• Wrap root ball in plastic and
secure with rubber band
around the base of the plant.
• Loosely enclose the foliage in
paper
• Enclose in an unsealed plastic
bag
• Package in crush-proof box,
use cooler during hot weather
• Include sample submittal form
in package
http://diagnostics.montana.edu
Click on
‘Plant
Diseases’
http://diagnostics.montana.edu/PlantDisease/index.html
Click on
‘Cropland Pest’
Cropland Pest Form
• Print out form
• Fill out questionnaire with as much
detail as possible
• Place form in box
with sample
• Take to County
Agent – If Possible
Include photographs illustrating the
problem and field patterns if possible.