Beth Peacock

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The winter annual grass Bromus tectorum (cheatgrass) has become highly invasive in semiarid ecosystems of western North America. In these areas, a natural phenomenon, complete cheatgrass stand failure ('die-off'), is apparently caused by a complex interaction among soilborne fungal pathogens. Several Fusarium strains belonging to the Fusarium tricinctum(More)
The 2297 isolate (serotype 25) of Bacillus sphaericus was bioassayed in the laboratory against 8 species of mosquitoes from 3 subfamilies. The most susceptible species were in the genus Culex and the least susceptible were the Aedes spp. and Toxorhynchites r. rutilus. Primary powders of the 2297 and 2362 (serotype 5a5b) isolates were evaluated in the field(More)
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