. Farm horticulture, prepared especially for those interested in either home or commercial horticulture. Vegetable gardening; Fruit-culture. 240 THE POME FRUITS lives under this covering and gi\'es birth to living young instead of laying eggs. Owing to the great rapidity with which the scale multiplies very thorough treatment is imperati\'e. At the close of a growing season, all stages of the scale can be found on an infested tree. The mortality of the older and the younger scales is always great and the. Fig. lOS.—San Jos6 scale on the apple. No. 180.) (From Illinois Circular, half-grown inse
. Farm horticulture, prepared especially for those interested in either home or commercial horticulture. Vegetable gardening; Fruit-culture. 240 THE POME FRUITS lives under this covering and gi\'es birth to living young instead of laying eggs. Owing to the great rapidity with which the scale multiplies very thorough treatment is imperati\'e. At the close of a growing season, all stages of the scale can be found on an infested tree. The mortality of the older and the younger scales is always great and the. Fig. lOS.—San Jos6 scale on the apple. No. 180.) (From Illinois Circular, half-grown insects are the individuals that usualh' sur\-ive the winter in the best shape and carry on the reproduction the following year. The San Jose scale has a numljer of natural enemies, but owing to its great ability to reproduce so rapidly it does great damage in spite of its natural ] 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 Hood, George William, 1886-. Philadelphia, New York, Lea & Febiger
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Keywords: ., bookcentury1900, booksubjectfruitculture, booksubjectvegetablega
