Commodities Survey
A number of invasive insects and pathogens threaten commodities in Minnesota and could cause problems for production and export if they were to become established here. The Minnesota Department of Agriculture, along with partners at the U.S. Department of Agriculture and the University of Minnesota, conduct an annual review of invasive species that pose the greatest threat to crops in Minnesota and focus survey efforts accordingly.
Commodity crop surveys are conducted June through August with all of the primary agricultural production areas of Minnesota included. The following organisms are the focus of present and past surveys:
Soybeans
- Bacterial tan spot (Curtobacterium flaccumfaciens pv. flaccumfaciens)
- Brown marmorated stink bug (Halyomorpha halys)
- Kudzu bug (Megacopta cribraria)
- Sudden death syndrome (Fusarium virguliforme)
- Asian soybean rust (Psakopsora pachyrhizi)
- Egyptian cottonworm (Spodoptera littoralis)
- Cucurbit beetle (Diabrotica speciosa)
- Silver Y moth (Autographa gamma)
- Golden twin spot moth (Chrysodeixis chalcites)
Corn
- Cucurbit beetle (Diabrotica speciosa)
- Brown marmorated stink bug (Halyomorpha halys)
- Black maize beetle (Heteronychus arator)
- Japanese beetle (Popillia japonica)
- Late wilt of corn (Harpophora maydis)
- Downy mildew of corn (Peronosclerospora maydis)
- Old world bollworm (Helicoverpa armigera)
- Tar spot (Pyllachora maydis / Monographa maydis)
- Southern rust (Puccinia polysora)
- Brown stripe downy mildew of corn (Sclerophthora rayssiae var. zeae)
- Palmer amaranth (Amaranthus palmeri)
- Witchweed (Striga asiatica)
Canola
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