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United States Department of Agriculture

Agricultural Research Service

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Image Number K9618-1

To keep ahead of mite populations in the greenhouse, entomologist Michael Parrella and graduate research assistant Christine Casey recommend that growers examine 38 rose plants for every 10,000 square feet of greenhouse.

Photo by Peggy Greb.

640 pixels wide: (k9618-1.jpg)

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Last Modified: 8/12/2016
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