Figure 1.  Disease cycle for take-all patch on graminaceous hosts (caused by Gaeumannomyces graminis). Reprinted from Smiley, R.W., Dernoeden, P.H., and Clarke, B.B. 1992. Compendium of Turfgrass Diseases, 2nd Ed., American Phytopathological Society Press, St. Paul, MN. BACK