. Manual of fruit diseases . Fruit. CHERRY DISEASES 173 enter the next season with decreased vitahty. A case is on record where 40,000 young cherry trees were lost on account of leaf-bhght alone. The loss in Ohio in 1905 is estimated at $25,000. The preceding year it is estimated to have caused a loss of S per cent, in Maryland. One nursery company in. Fig. 4S. — Leaf-blight (yellow-leaf, or leaf-spot) on sweet cherry; types of lesions on upper and lower surfaces. Center leaf shows whitish masses' (spores) of the pathogene. Nebraska claims to have lost $40,000 in 1903 on account of this diseas
. Manual of fruit diseases . Fruit. CHERRY DISEASES 173 enter the next season with decreased vitahty. A case is on record where 40,000 young cherry trees were lost on account of leaf-bhght alone. The loss in Ohio in 1905 is estimated at $25,000. The preceding year it is estimated to have caused a loss of S per cent, in Maryland. One nursery company in. Fig. 4S. — Leaf-blight (yellow-leaf, or leaf-spot) on sweet cherry; types of lesions on upper and lower surfaces. Center leaf shows whitish masses' (spores) of the pathogene. Nebraska claims to have lost $40,000 in 1903 on account of this disease. These examples serve to show the possible destruc- tion which may be wrought by leaf-blight. Symptoms. The fruit and pedicels are liable to show the disease, but the foliage (Fig. 48) is by far the most common seat of the trouble. Toward the last of May or early in Tune affected leaves exhibit slightly discolored, dark-blue areas on the upper surface (Fig. 48, left). These are not more than one-eighth of an inch in. 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 Hesler, L. R. (Lexemuel Ray); Whetzel, Herbert Hice, 1877-1944. New York : Macmillan
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyo, bookyear1917
