An Exercise to Study the American Standard for Nursery Stock

in HortTechnology
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  • 1 Department of Horticulture, Iowa State University, Ames, IA 50011. Current address: Department of Plant Sciences, University of Arizona, Tucson, AZ 85721.

A two-part exercise was developed as part of the horticulture curriculum at Iowa State University to familiarize students with the American Standard for Nursery Stock (ASNS), and to allow them to practice and apply the ASNS with a variety of categories and types of ornamental plants. The first part of the exercise requires students to determine, according to ASNS standards, appropriate root ball/container size for plants to be moved from an existing immature landscape. During the second part, students evaluate whether root ball or container size of plants in a nursery is appropriate for the plant shoot dimensions. The exercise was designed for students to work in informal groups in a cooperative learning environment.

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