In Indiana, tar spot has been an annual concern since 2018 when growers experienced 20-60 bu/A loss. In 2021 favorable weather conditions led to another severe epidemic where reports of 50% yield loss occurred. This last year, we had a slight break from tar spot due to dry conditions in June/July that delayed the disease The post Tactics to Consider for Tar Spot Management in Indiana for 2023 appeared first on Hoosier Ag Today.
Tar spot of corn does not result in a severe outbreak every year. However, during severe outbreaks, yield loss estimates have ranged from 20 to 60 bushels/acre across north central
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