Foiling an invasive
Sometimes, figuring something out only deepens the overall mystery.
Take Pseudomonas fluorescens D7, for example.
Ann Kennedy, a USDA-Agricultural Research Service soil microbiologist at Washington State University, has isolated these native bacteria as a perfectly natural way to fight cheatgrass, also known as downy brome, scientific name Bromus tectorum. Recently, she and her colleagues were awarded a large grant to test the effectiveness of Pseudomonas fluorescens D7 for controlling cheatgrass in rangeland.
Cheatgrass, which was introduced in the late 19th century as a forage crop, is an aggressive invader, a grass that has, according to WSU botanist » More …