• Response of Medusahead to Paraquat

      Young, J. A.; Evans, R. A.; Kay, B. L. (Society for Range Management, 1971-01-01)
      Medusahead plants from 23 sources were susceptible to paraquat at Davis, California, but resistant to applications of this herbicide at Reno or Stead, Nevada. Differences in response were not due to ecotypic variability among the sources.