Acute and chronic toxicity of Roundup Weathermax® and Ignite® 280 SL to larval Spea multiplicata and S. bombifrons from the Southern High Plains, USA
Abstract: Pesticides have been implicated in widespread amphibian declines. We assessed acute and chronic toxicity of two widely used herbicides to larval New Mexico (Spea multiplicata) and Plains (S. bombifrons) spadefoots from cropland and native grassland playas. Roundup WeatherMAX® (WM) toxicity estimates (48- and 216-h LC50; 48-h LC1) for both species were similar to environmental …
