Report
Managing smooth scouringrush and field horsetail in dryland cropping systems
Washington State University Extension fact sheet, 405E, Washington State University Extension
10/2025
DOI:
https://doi.org/10.7273/000007704
Abstract
Smooth scouringrush and field horsetail are members of an ancient, spore-bearing vascular plant group that arose about 400 million years ago. They are perennial plants that can be troublesome in no-till, dryland cropping systems. Although neither species competes strongly with fall-sown crops, thick stands of either species can significantly reduce yields of spring-sown crops. Their presence in the field at harvesttime can result in high sickle bar wear and discoloration of chickpea seed. Both species are toxic to livestock, particularly horses. This publication discusses the biology and management of these two Equisetum species in dryland cropping systems of eastern Washington.
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Details
- Title
- Managing smooth scouringrush and field horsetail in dryland cropping systems
- Creators
- Drew Lyon (Author) - Washington State University, Department of Crop and Soil SciencesMark Ervin Thorne (Author) - Washington State University, Department of Crop and Soil SciencesMarija Savic (Author) - Washington State University, Department of Crop and Soil Sciences
- Academic Unit
- Publications, WSU Extension
- Series
- Washington State University Extension fact sheet; 405E
- Publisher
- Washington State University Extension; Pullman, Washington
- Number of pages
- 8
- Identifiers
- 99901307418001842
- Language
- English
- Resource Type
- Report