| alfalfa |
Medicago sativa |
6 |
| asparagus |
Asparagus officinalis |
2 |
| blueberry |
Vaccinium spp. |
1 |
| broccoli |
Brassica oleracea var. italica |
6 |
| carrot |
Daucus carota ssp. sativus |
1 |
| common bean |
Phaseolus vulgaris |
4 |
| common wheat |
Triticum aestivum |
6 |
| corn |
Zea mays |
7 |
| cucumber |
Cucumis sativus |
1 |
| flue-cured tobacco |
Nicotiana tabacum (flue-cured type) |
1 |
| garden onion |
Allium cepa |
10 |
| peanut |
Arachis hypogaea |
5 |
| pepper |
Capsicum spp. |
1 |
| potato |
Solanum tuberosum |
6 |
| sorghum |
Sorghum bicolor |
1 |
| sorghum |
Sorghum spp. |
1 |
| strawberry |
Fragaria x ananassa |
1 |
| sugar beet |
Beta vulgaris ssp. vulgaris (sugar beet group) |
2 |
| sweetpotato |
Ipomoea batatas |
5 |
| tomato |
Lycopersicon esculentum |
2 |