. Manual of tree diseases . Trees. Fig. 54. — Cronartium ribicola (uiedinial stage) on under side of currant leaf. season, from the same lesions several slender brown bristle- like structm-es are pushed out from the imder sides of the leaves (Fig. 55). When the affected areas of the leaf are numerous, these brown bristles so completely cover the under side of the leaf that it appears as coarse brown felt, and thus the common name for this disease on cur- rants and gooseberries is felt-rust. But little damage is caused to the affected bushes, al- though defoliation may occur earlier than nor- m
. Manual of tree diseases . Trees. Fig. 54. — Cronartium ribicola (uiedinial stage) on under side of currant leaf. season, from the same lesions several slender brown bristle- like structm-es are pushed out from the imder sides of the leaves (Fig. 55). When the affected areas of the leaf are numerous, these brown bristles so completely cover the under side of the leaf that it appears as coarse brown felt, and thus the common name for this disease on cur- rants and gooseberries is felt-rust. But little damage is caused to the affected bushes, al- though defoliation may occur earlier than nor- mally when the leaves are heavily infested. The species of currant and gooseberry vary Fig. 55. — Cronartium ribicola (telial stage) on under side of currant leaf. 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 Rankin, W. Howard (William Howard), b. 1888. New York : The Macmillan Company
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyo, bookyear1918
