. = Occurrence , ^ti^4ata fi to lor"^ ' ^ - = Less than I920 = More than I92O 57- Estimated percentage loss from crown rust of oats, I92I. year So'^'m-^ urediniospores of the rust overwintered in the South this ap^l red T ^ ^' abundant at , Texas, in January, and had eSd^mc on of^^ ln fT" ^^^^^^ '"'^^ ^^^^ a heavy waf'^n^ ?o b fairl^'n''"'^^\';''°" ^^^^^ Oklahoma rus^ ia^a'^S Ler^oSif ^riL^anr ?he^^ T^'' Christopher cn Phalaris carolin- u .jio^ia aricansana. These grasses, as well as several others 1^-

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Keywords: ., bookcentury1900, bookcollectionbiod, bookdecade1920, bookyear1922