TY - JA AU - Levine,M.N. AU - Stakman,E.C. TI - A third biologic form of puccinia graminis on wheat SN - No (Revis PY - 1918/// KW - Biological control KW - Grasses KW - Infectious diseases KW - Inoculation KW - Puccinia graminis KW - AGROVOC KW - Rye KW - Varieties KW - Wheat T2 - Journal of Agricultural Research ER -