Samples are only needed in non-confirmed blocks. With many symptomatic trees, consider sending samples from a portion of suspect trees.

Where to sample: trees with symptoms

Sample from symptomatic limbs.

Where to sample: trees without symptoms

Sample from each leader

Material to Sample:

 Submit four five-inch cuttings from diseased limb(s) including leaves and fruit stems. Including fruit is okay.

When to sample:

The week before harvest to mid-August

What NOT to send:

Old, dry, dead tissue