. Diseases of fruit crops in the United States in 1920. Fruit Diseases and pests United States. 33 from season to season. Melchers in Kansas reported leaf infection as commcn but "fruit is never affected". In southern Illinois leaf infection was very common and abundant but the fruit v;as rarely rusted. (3) Injury to twigs. Twig infection is much like fruit infection in the matter of wide variation. Hesler reported twig infection common on Red June in Tennessee. It was also common on Smith Cider in Illinois and Virginia. • On corameriCial varieties, hov;ever, it does not seem to be o
. Diseases of fruit crops in the United States in 1920. Fruit Diseases and pests United States. 33 from season to season. Melchers in Kansas reported leaf infection as commcn but "fruit is never affected". In southern Illinois leaf infection was very common and abundant but the fruit v;as rarely rusted. (3) Injury to twigs. Twig infection is much like fruit infection in the matter of wide variation. Hesler reported twig infection common on Red June in Tennessee. It was also common on Smith Cider in Illinois and Virginia. • On corameriCial varieties, hov;ever, it does not seem to be of any « Pt-rcentag'^ jc^^x^; Lioderate losses ' \ ^ Losses local losses high -^--^ ^' k:!^:^ or very ligh' Fit,. 11. Occurrtnce of apple rust in 1920 end distribution of red cedars; Relation of Vieather to Rust in_.]>)gQ. In the principal rast region, V/est Virginia, Virginia and North Carolina, was'unusually dry, cool monft, r This, together with extensive cedar eradication, explains the percentage reduction in rust in these regions. In ,Ohio the northern section was dry/during May but .in the southern section, where most of the rust occurs, the precipitation was a^ove normal. This was true. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Anderson, H. W. (Harry Warren), 1885-1971; United States. Plant Disease Survey. [Washington, D. C. ] : Plant Disease Survey, Bureau of Plant Industry, United States Department of Agriculture
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Keywords: ., bookcentury1900, bookcollectionbiod, bookdecade1920, bookyear1921
