It is now time to evaluate fields for any stalk or ear rot symptoms. This will aid in making assessments about field harvest order and if there is a risk of mycotoxin contamination.
Darcy Telenko
Red crown rot of soybean has become a new concern this season in Indiana after a few localized occurrences have been found this year.
Southern corn rust has been confirmed in two counties (Knox and Daviess) this week both at low levels in Indiana (Figure 1).
Tar Spot – We continue to confirm counties with active tar spot.
Tar Spot – We continue to confirm counties with active tar spot. Twelve counties have been confirmed as of July 29, 2021.
If the farm saw severe tar spot.
It is important to continue to scout for diseases in both corn and soybeans. Recent rains have created favorable environmental conditions for the development of foliar diseases in both crops.
Corn growth stages are quite variable across Indiana but a number of areas with early planted corn about waist high.
Wheat is starting to head out across the central and northern Indiana, with flowering not too far behind.
In Indiana, tar spot has been an annual concern since 2018 when growers experienced 20-60 bu/A loss.
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