| Statements where agreeing may indicate awareness of species diversity issuesx |
| “Increasing the number of different plant species used in an area is important for biodiversity.” | 85 | 4.78 |
| “Lack of plant diversity in a given region is an ecological problem.” | 56 | 3.83 |
| “Planting more than 10% of the same plant species in a region greatly increases the risk of insect or disease outbreaks.” | 45 | 3.26 |
| “Planting large numbers of a single plant species in a commercial or residential landscape increases the likelihood of severe insect or disease outbreaks.” | 40 | 3.33 |
| Statements where agreeing may indicate lack of awareness of species diversity issuesx |
| “The wholesale nursery industry is already addressing the species diversity issue, because they frequently introduce new plants for their customers.” | 83 | 3.20 |
| “Pest problems with mass plantings of a single species in a landscape can be adequately controlled with appropriate pest management.” | 73 | 3.22 |
| “Elm trees that have died from Dutch elm disease should be replaced with the new disease-resistant elms.” | 59 | 2.56 |
| Statements on the role of the nursery industry |
| “Most wholesale nurseries currently offer an adequate range of genetically different plants for their customers to choose from.” | 78 | 4.29 |
| “The wholesale nursery industry could easily add more plant species to their inventories.” | 67 | 3.90 |
| “Voluntarily increasing the number of different plant species in their inventories would allow nurseries to avoid regulatory interference from state or federal authorities.” | 24 | 2.64 |