1. Entire plants should be selected according to the type of plant. Plants should be dug up carefully with roots and soil left intact. About 1 quart of soil should be included with the sample. A range of symptoms is desirable. The items should be placed in a plastic bag large enough to cover entire sample. The root and soil portions should be tied off. The rest of the plastic bag should be brought up over tops of plants and closed.

2. The items should be packaged securely in a large padded envelope or cardboard box with padding material around the specimen.

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