. Bulletin of the Department of Agriculture. Agriculture; Agriculture. Bui. 957, U. S. Dept. of Agriculture. Plate Leaves OF Rises 1 NFECTED WITH Cronartium ribicola. Showing Different Types of Infection. Fig. l.âInfoclOil leaves of Ribcs glandulnsuin, showiii" lower surfaces; the sparsely scattered telia are well distributed over the entire surface. Etiolation caused by the disease is also evident. X 8- Fit;.'â ^-âLower surfaces of leaves of A' sp., showing etiolaied spots where infection has taken place, two days before uredinia were formed. X J. Fit;. ;i.âLower surfaces
. Bulletin of the Department of Agriculture. Agriculture; Agriculture. Bui. 957, U. S. Dept. of Agriculture. Plate Leaves OF Rises 1 NFECTED WITH Cronartium ribicola. Showing Different Types of Infection. Fig. l.âInfoclOil leaves of Ribcs glandulnsuin, showiii" lower surfaces; the sparsely scattered telia are well distributed over the entire surface. Etiolation caused by the disease is also evident. X 8- Fit;.'â ^-âLower surfaces of leaves of A' sp., showing etiolaied spots where infection has taken place, two days before uredinia were formed. X J. Fit;. ;i.âLower surfaces of infected leaves of Kiocs aurcum, showing the disease distributed in local siiots most ly well sejiarated from one another. On the right side of the right leaf a large area of leaf tissue has died. Ktiolation from the disease is evident, x 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 United States. Dept. of Agriculture. [Washington, D. C. ?] : The Dept. : Supt. of Docs. , G. P. O.
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