Monday Mycotoxin Crop Report for November 29, 2021

November 29, 2021

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U.S. Harvest Highlight

  • Dry Weather Continues
  • Corn Harvest in Final Stages
  • New Mycotoxin Reports

Weather & Harvest Updates

The USDA’s November 23 bulletin reports widespread dry weather, helping fieldwork to progress. Light precipitation fell on parts of the Midwest, with higher quantities falling on parts of the Northeast, southern Texas and Florida, Pacific Northwest, northern Rockies, and northwestern California. The western half of the country experienced normal to above normal temperatures, while most of the eastern half experienced normal to cooler than normal temperatures. Drought continues in parts of the west, northern plains, southern plains, upper Midwest, Southeast, and New England.


Corn development is highly variable within some fields.

95% of corn is harvested, 3 points ahead of the five-year average.

Mycotoxin Reports:

Deoxynivalenol (DON) in wheat — ID, SD, and ND 1–3 ppm; TX 3–5 ppm; and MO and KS 5–10 ppm.

Aflatoxin in new crop corn — AL and IA 20–50 ppb.

DON in new crop corn — NY, PA, and KS 1–3 ppm; OH 5–10 ppm.

Fumonisin in new crop corn — KS >10 ppm, IA 3–5 ppm, MS 5–10 ppm, AL >10 ppm.

Fumonisin in rice — MS >10 ppm.

Zearalenone in new crop corn — OH, 100–300 ppb.

Zeralenone in milo — LA 500–1000 ppb and NC 500–1000 ppb.

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Category: Milling & Grain, Science Insights