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Characterication and pathogenicity of Pythium species isolated from trufgrass with symptoms of root and crown root in North Carolina. ABAD Z G,SHEW H D,LUCAS L T. Phytopathology . 1994
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Preralence of Pythium species associated with cottony-blighted and healthy turfgrasses in Ohio. SALADINI J L,SCHMITTHENNER A F,LARSEN P O. Plant Disease . 1983
[3]
Disease forecasting system for warm weather Pythium blight of turfgrass. NUTTER F W,COLE H,SCHEIN R D. Plant Disease . 1983