Definition of chlorothalonil
- And, although chlorothalonil is an excellent home garden fungicide, and oil sprays are highly effective against mites and other soft-bodied insects, the two are not compatible and cannot be combined or used within several days of each other.
- —H. S. Stevens, Dallas Morning News, 28 May 1999
- … one of the most widely used fungicides on crops in the United States, chlorothalonil, raises mortality rates among frog tadpoles at low concentrations.
- —Susan Milius, Science News, 11 Sept. 2010