. Manual of fruit diseases . Fruit. APPLE DISEASES 25 and about ten years later the name bitter-pit was given it in that country. In the early nineties it caused alarm among Australian growers because of its obscure and mysterious nature, and finally an extensive investigation was initiated as a residt of action on the part of the growers. First authoritative rec- ords of stippen in the United States date back to 1891; it was then com- mon on Baldwins in Vermont. Sub- sequently it was found to occur in Canada, England, France, Russia, South Africa and New Zealand. In fact the geograph- ical ra
. Manual of fruit diseases . Fruit. APPLE DISEASES 25 and about ten years later the name bitter-pit was given it in that country. In the early nineties it caused alarm among Australian growers because of its obscure and mysterious nature, and finally an extensive investigation was initiated as a residt of action on the part of the growers. First authoritative rec- ords of stippen in the United States date back to 1891; it was then com- mon on Baldwins in Vermont. Sub- sequently it was found to occur in Canada, England, France, Russia, South Africa and New Zealand. In fact the geograph- ical range of bitter- pit seems to be coincident with that of the cultivated apple. Most damage is done in America and Australia. Symptoms. The fruit only is affected by stippen. The disease may be found toward the end of the growing-season, at least after the fruit is half grown; or it may not be seen until after the fruit has been placed in storage. Fruits approaching maturity seem to be in the most critical stage of their development so far as bitter-pit is Its appearance amongst the fruit on a tree is very erratic. Sometimes only one apple on a twig is affected. Again, all the fruits of a cluster are Fig. 7. — Stippen, or 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
