Green Acres


June 17, 2020

Jane Mangold (MSU Extension Weed Specialist) has been getting quite a few calls about the efficacy of a bacteria used for cheatgrass control in rangeland. Below is an abbreviated version of the study and results.

Cheatgrass (Bromus tectorum) is one of the most widespread invasive plants in the western U.S. Because cheatgrass can form large infestations of hundreds to thousands of acres, often in remote and inaccessible locations, biological control is an attractive option. Various strains of the soil bacterium Pseudomonas fluorescens (e.g. D7, ACK55, MB906) were proposed as bioherbicides b...

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