. Fig, 21» EstinxLtcd parcontago loss from stem rust of bca-'lcy in 1938, par cent xjcs found in I5 untrcatod firiLds vrith 80 prcont of the fidLds planted T7ith untreated seed hn\lng anut. An average of .O^ percent uas found in I3 fields planted vitli treated ; losses of 1 ^ percent or moro wore: Tennessee, 10; Mar^'-lond, Yirginia, and Ok^'Jioraa, 3; lo'u'a, 2,5; Kanaas, ; ^Jisconsin, 1,2; Ilorth Corolina, iirkcnsas, Montana, Y/yoming, ond Colorado, 1. Other States estimating less uere: Indinna, Illinois, Michigan, Vasconsin, i'linnosota, North Dakota, Idaho, Washingt
. Fig, 21» EstinxLtcd parcontago loss from stem rust of bca-'lcy in 1938, par cent xjcs found in I5 untrcatod firiLds vrith 80 prcont of the fidLds planted T7ith untreated seed hn\lng anut. An average of .O^ percent uas found in I3 fields planted vitli treated ; losses of 1 ^ percent or moro wore: Tennessee, 10; Mar^'-lond, Yirginia, and Ok^'Jioraa, 3; lo'u'a, 2,5; Kanaas, ; ^Jisconsin, 1,2; Ilorth Corolina, iirkcnsas, Montana, Y/yoming, ond Colorado, 1. Other States estimating less uere: Indinna, Illinois, Michigan, Vasconsin, i'linnosota, North Dakota, Idaho, Washington, and Oregon, Loose smut (Ustilogo spD,, U» nuda) was also reported less preva- lent than during 1'937* Percentage losses reported for loose smut, except in Nev; York and Pennsylvama, were less than for covered smut this year. In Pennsylvania, R, S, Kirby ropcrted as follov;s: "An average of 4*83 percent loose sraat occurred in fields (I5) plaited v;ith untreated seed, ond all. fields had loose sflut. An average of 1«43 percent loose smt occurred in fields planted vith treated seed," The follovdng estimates v/ore reported: Tonnesseo, 5 pca:*cent; Pennsylvania, 4*8; Ivlaiy'land, 3; Nev/York and Virginia, 2»^j; Oklahoma, 2; Wisconsin, Kansas, North Carolina, and Arkansas, 1; Io\fa, 0,5; Illinois and Washing- ton, ; Michigan and North Dakota, ; Indiana, Minnesota, Montana, Wyoming, arrL Colorado, a trace. Basal glume rot (Bacterium atrofaciens) Tras reported from Putnam County, Illinois, by tlB State Natural History Survey. Bacterial blight (Bacter ium transLucens ) in Iowa caused 1 percent reduction in yield this year as compared to b "percent in 1937. Illinois and Minnesota reported the disea^, but did not estimate losses.
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Keywords: ., bookcentury1900, bookcollectionameri, bookcollectionbiodiversity
