Table 2.
Percent protection of cereal grains fumigated with menthol, eugenol, and their combination against A. ochraceus and A. niger after six months of storage.
| Cereal Grain | Level (µg/mL Air) |
A. ochraceus (cfu × 103/g) | Level (µg/mL Air) |
A. niger (cfu × 103/g) | ||||
|---|---|---|---|---|---|---|---|---|
| Control | Treated | % Protection | Control | Treated | % Protection | |||
| Maize | ||||||||
| Menthol | 500 | 52 | 25 | 51.9 | 500 | 35 | 16 | 54.3 |
| Eugenol | 400 | 52 | 20 | 61.5 | 600 | 35 | 17 | 51.4 |
| Mix 1:1 | 300 | 52 | 17 | 67.3 | 400 | 35 | 13 | 62.9 |
| Barley | ||||||||
| Menthol | 500 | 70 | 31 | 55.7 | 500 | 43 | 19 | 55.8 |
| Eugenol | 400 | 70 | 26 | 62.9 | 600 | 43 | 21 | 51.2 |
| Mix 1:1 | 300 | 70 | 23 | 67.1 | 400 | 43 | 16 | 62.8 |
| Rice | ||||||||
| Menthol | 500 | 41 | 15 | 63.4 | 500 | 15 | 6 | 60.0 |
| Eugenol | 400 | 41 | 12 | 70.7 | 600 | 15 | 7 | 53.3 |
| Mix 1:1 | 300 | 41 | 10 | 75.6 | 400 | 15 | 4 | 73.3 |