There were no new reports of mycotoxins in corn this week, but higher levels of aflatoxin and fumonisin in corn were reported, according to Neogen’s Monday Mycotoxin Report from August 20.
In Texas, aflatoxin in corn was reported to be higher than 500 parts per billion (ppb). In Kansas, it was higher than 60 ppb. The regulatory limit for human food and animal feed is 20 ppb.
Also in Texas, fumonisin levels were raised to higher than 14 parts per million (ppm). The regulatory limit for fumonisin in animal feed is 5 ppm; for human food, it is 2 ppm.
Previous reports of DON
Previous reports of deoxynivalenol (DON) in winter wheat from Wisconsin, Ohio, New Jersey, Michigan, Pennsylvania, Indiana, North Carolina, Maryland, Delaware, Tennessee, Virginia and Illinois.
A previous report of DON in barley came from Pennsylvania.
Crop progress, condition
Seventy-three percent of corn has reached the dough stage, 17 points above the five-year average. Twenty-six percent of corn has reached the dented stage, 13 points ahead of the five-year average. Ten percent of corn is in poor to very poor condition. States with lowest poor to very poor ratings are North Carolina, Texas, Missouri, Kansas and Michigan.
Winter wheat is 94 percent harvested, two points behind the five-year average.
Forty-one percent of barley has been harvested, which is three points behind the five-year average.
Oat acres are 67 percent harvested, three points ahead of the five-year average.
Spring wheat is 35 percent harvested, eight points ahead of the five-year average.
