. Diseases of economic plants. Plant diseases. Drupaceous Fruits 77 known practically wherever the cherry is grown, and large losses are frequent. Fifty per cent loss was reported from New York, and 25 per cent from Missouri in a single year. Treatment is the same as for the peach brown-rot. Curl {Taphrina cerasi (Fcl.) Sad.). — Cherry curl is closely related to that of the peach. The leaves become wrinkled before they are full size, and spores are produced on. Fig. 38. — Brown-rot showing various stages of decay, x'^fter Clinton. the surface of the leaf, as they are in other curls. Instead of
. Diseases of economic plants. Plant diseases. Drupaceous Fruits 77 known practically wherever the cherry is grown, and large losses are frequent. Fifty per cent loss was reported from New York, and 25 per cent from Missouri in a single year. Treatment is the same as for the peach brown-rot. Curl {Taphrina cerasi (Fcl.) Sad.). — Cherry curl is closely related to that of the peach. The leaves become wrinkled before they are full size, and spores are produced on. Fig. 38. — Brown-rot showing various stages of decay, x'^fter Clinton. the surface of the leaf, as they are in other curls. Instead of forming flower buds and spurs, affected regions develop a profusion of twigs, ^'witches' ; The disease is not common in America; but should it become so, it can be held in check by pruning out the diseased twigs. It is perennial in the twigs and should be avoided in budding and grafting. Powdery-mildew ^^' ^"^ {Podosphcera oxyacanthce (DC.) De Bary). — This mildew, similar to that described in connec- tion with apple diseases, sometimes does damage to the plum and cherry, especially on nursery stock, where it pre-. 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 Stevens, Frank Lincoln, 1871- [from old catalog]; Hall, John Galentine, 1870- [from old catalog] joint author. New York, The Macmillan company
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Keywords: ., bookcentury1900, bookdecade1920, bookpublishernewyo, bookyear1921
