Herbicide suspected in widespread tree deaths

An article in the Columbus Dispatch reported that a new herbicide is suspected of killing thousands of trees in a problem that's causing havoc among nursery companies.

The name of the suspected herbicide is Imprelis. It was introduced in the market by DuPont last fall and is used by lawn-care companies. The newspaper reported that about 75% of Ohio landscapers and golf course superintendents used Imprelis this year. 

There is no version of the product designed for consumers.

Aware of complaints, DuPont officials have told users to avoid using the herbicide near Norwary spruces and white pines and other plants. It also told the paper it continues to investigate the problem of dying trees.




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