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Nov 6, 2023, 4:39 pm113 ptsPHYSorg
First reported in 2015, tar spot is an emerging disease on corn that has rapidly spread across the United States and Canada, causing tremendous yield loss estimated at $1.2 billion in 2021 alone. Tar spot gets its name from its iconic symptoms that resemble the splatter of "tar" on corn leaves, but these spots…
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