. The potato; a practical treatise on the potato, its characteristics, planting, cultivation, harvesting, storing, marketing, insects, and diseases and their remedies . KIG. 21 THREE FAVORITE SHAPES OF POTATOES {Upper row, the broad surface ; lower rozc, the narrow surface.)Beginning on the right, the small one is a flat-round; the center one, kid-ney; the largest one, on the left, elongated oval. Notice the shallow, wideeyes on the latter; they are the most desirable. The eyes of the flat-roundare too deep. ness and, frequently, coarseness. They are wastefulin peeling. Deep eyes tend to hold
. The potato; a practical treatise on the potato, its characteristics, planting, cultivation, harvesting, storing, marketing, insects, and diseases and their remedies . KIG. 21 THREE FAVORITE SHAPES OF POTATOES {Upper row, the broad surface ; lower rozc, the narrow surface.)Beginning on the right, the small one is a flat-round; the center one, kid-ney; the largest one, on the left, elongated oval. Notice the shallow, wideeyes on the latter; they are the most desirable. The eyes of the flat-roundare too deep. ness and, frequently, coarseness. They are wastefulin peeling. Deep eyes tend to hold moisture, whichhastens decay when the potatoes are stored. 8. Tifuc of viaturity. In the Northern States pota- 8o THE POTATO toes are classified into early, medium or second early,and late varieties, according to the time they take toreach maturity. Early varieties may mature in 70 to. FIG. 22—THE IMPORTANCE OF HAVING riRIGHT HAULM ANDPRESERVING THE FOLIAGE IS NOT SUFFICIENTLY APPRECIATED Plant photographed early in September, 1904, when many others near weredead (C. U. Farm). Upright haulm facilitates late cultivation and spray-ing. The foliage dri^s quickly, and then is not so favorable for the growthof spores of rot. 90 days after planting ; second earlies, in 90 to 130day^, while late varieties may continue to grow for200 days. 9. The haulm. The haulm and leaf are receivingmore attention to-da} than formerly. The size ofhaulm has an influence upon the distance apart ofplanting. Large haulm is more trouble to .spray, re- VARIETIES 8l quiring more solution, and it is alwa)^s lying over theground when the last spraying ought to be given, andis in the way at lifting-time, whether the potatoes areraised by hand or digger. Modern breeders aim toproduce a short haulmed, upright, heavily leaved top,because the upright habit of growth (Fig. 22) is morelikely to keep cl
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