. Diseases of forest and shade trees, ornamental and miscellaneous plants in the United States in 1921. Trees Diseases and pests United States; Plants, Ornamental Diseases and pests United States. Pig. 85- Geographical distribution of ash rust in the U. S. as reported to the Plant Disease Survey. Vhite heartv/ocd rot caused by pcriies igniarius (L.) Fr. Idaho - quite on occidentalis) 'â "â "ood rot caused by Pvcnoporus cinnabarinus Karst. = (Folystictus cinnabarinus] (Jacq.; Fv.) V/ashin'ton ^/itches broom - cause vinlcnown VJashire ton Drou^-rht injury caused by extremely dr
. Diseases of forest and shade trees, ornamental and miscellaneous plants in the United States in 1921. Trees Diseases and pests United States; Plants, Ornamental Diseases and pests United States. Pig. 85- Geographical distribution of ash rust in the U. S. as reported to the Plant Disease Survey. Vhite heartv/ocd rot caused by pcriies igniarius (L.) Fr. Idaho - quite on occidentalis) 'â "â "ood rot caused by Pvcnoporus cinnabarinus Karst. = (Folystictus cinnabarinus] (Jacq.; Fv.) V/ashin'ton ^/itches broom - cause vinlcnown VJashire ton Drou^-rht injury caused by extremely dry hot weather. Nev; York - a fev; trees v/ere injured or killed, especially v/here the birches v;ere planted in filled-in lav/ns. I BUCKEYE (Aesculus glabra) Leaf blotch caused by aesculi (?k.) Stev/art = (Phyllosticta paviae Desm., p. sphaeropsidea Ell. « Ev.) Ohio - period of greatest injury v.'as durin^: July and August the host vvas in full leaf, cf considerable importance and becoming more prevalent, all species of Aesculus are apparently susceptible. Iov;a - averare amount of prevalence, trace of loss. BUCKTHORN (Rliamnus spp.) Rust caused by Puccinia coronata Gda. Connecticut (JLi>) New York - much more prevalent than in previous years. Illinois - especially prevalent in northern part of state,. Fi^. 80. Distribution of crown mst of buckthorn in the U. S. as reported to the Plant Disease Survey. 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 Martin, G. Hamilton; 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, bookyear1922
