Table 1.
The location, size, mint species, crop age, and soil characteristics of 3 mint fields used to assess Asiatic garden beetle, Maladera formosae Brenske, larval density, and plant performance parameters. Soil texture was determined via particle size analysis.
| Field | Year | Season (Sampling Method) | NE Corner | Field Size (ha) |
Mint Species* | Crop Age (years) |
Organic Matter (%) |
Sand (%) |
Silt (%) |
Clay (%) |
USDA Soil Classification |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2021 | Spring (Cup-cutter)/Fall (Quadrat) | 41°12ʹ49ʹʹ N 86°53ʹ40ʹʹ W |
30.25 | Spearmint | 3 | 2.6 | 84 | 10 | 6 | Loamy Sand |
| 2022 | Spring & Fall (Quadrat) | ||||||||||
| 2 | 2021 | Spring & Fall (Quadrat) | 41°13ʹ13ʹʹ N 86°52ʹ16ʹʹ W |
50.59 | Peppermint | 1 & 2 | 9.1 | 83 | 13 | 4 | Loamy Sand |
| 2022 | Spring & Fall (Quadrat) | ||||||||||
| 3 | 2021 | Spring & Fall (Quadrat) | 41°12ʹ48ʹʹ N 86°39ʹ20ʹʹ W |
56.78 | Peppermint | 2 | 2.6 | 87 | 9 | 4 | Sand |
| 2022 | Spring & Fall (Quadrat) |
*Spearmint = Mentha × spicata, Peppermint = Mentha × piperata.