sample size needed for testing for virus

Here's Debbie's answer to how big a sample Dr. Ben Lockhart needs to check for a virus, and confirmation that her pycnophylla did have virus x.
 
Cindy Johnson
White Bear Lake, MN
zone 4a
 
----- Original Message -----
From: d*@mediaone.net
To: c*@mediaone.net
Sent: Saturday, June 30, 2001 3:36 PM
 
I've only ever taken one leaf but they are ususally about 3by 5 inches.
yes, virus x
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