. Diseases of cereal and forage crops in the United States in 1919. Grain Diseases and pests United States; Forage plants Diseases and pests United States. that he has secia-od {^urmination of the Physoderma spores after two years storage undei' field conditions on the farm ox Cleixson College, South Carjlirta,' both from rmterial kept on the surface of th.'e soil and from similar material buried three inches in the soil. iio varietal resist- ance was reported. V/hile long rotations and general clean up measures seem to be .the most promising methqds of control, it is nqt yet known ho
. Diseases of cereal and forage crops in the United States in 1919. Grain Diseases and pests United States; Forage plants Diseases and pests United States. that he has secia-od {^urmination of the Physoderma spores after two years storage undei' field conditions on the farm ox Cleixson College, South Carjlirta,' both from rmterial kept on the surface of th.'e soil and from similar material buried three inches in the soil. iio varietal resist- ance was reported. V/hile long rotations and general clean up measures seem to be .the most promising methqds of control, it is nqt yet known hov/ long the para- site is capable of re- maining viable in the soil, or how resistant the spores may prove to be to various Md. - *0 Pig *0 Occurrence: but no loss -t- -Xracjb—- 21, Estitrated percentage reduction in yield from brown spot of corn, I919. Bacterial wilt caused by Aplanobacter stewartii (Sm.) UcC. Observati ons of this disease were irade in Nev; York (.Qneida County), Virginia, Kentucky, .Tennessee, . Georgia , Ohio, Indiana, Illinois, Iowa, North Dakotcl (Cass County), and Kansas. Although particularly a disease of sweet corn, it was not entirely confined to that crop as field corn, both yellow and white dent types, were found affected in some states. Practically tiie only available figures, showing abundance of the dis- ease, are those ootained by F. V. Rand, Bureau of Pl:-nt Inaustry. These are given in Table I9. At the Kentucky ^xfsriment Station Eh e loss of some sweet corn vari- eties in trial plots was total on account. of ttiis disease- The variety Golden Bantam was listed as especially susceptible in Virginia, Kentucky, and Indiana. At the Kentucky'Station the low ing varieties, such as Golden Bantam and Peek-o-Day, >"ere a total loss, while larger varieties were less susceptible according to Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - c
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