Plant-breeding; comments on the experiments of Nilsson and Burbank . gitudinal rows ofkernels for each ear, but their breeding ability has had tobe studied in their progeny by the row-system, as describedabove. The result was the isolation of high and low oilraces, wliich averaged and per cent, and of highand low protein races containing and per is evident that by these most remarkable experiments thepossibilities of the breeding of corn for special purposes hasbeen demonstrated, and the value of this fact for large in-dustrial concerns can hardly be overestimated.
Plant-breeding; comments on the experiments of Nilsson and Burbank . gitudinal rows ofkernels for each ear, but their breeding ability has had tobe studied in their progeny by the row-system, as describedabove. The result was the isolation of high and low oilraces, wliich averaged and per cent, and of highand low protein races containing and per is evident that by these most remarkable experiments thepossibilities of the breeding of corn for special purposes hasbeen demonstrated, and the value of this fact for large in-dustrial concerns can hardly be overestimated. For experimental tests and commercial purposes the dif-ferent parts of the kernels can be more or less accuratelyseparated. This is done by softening them in water andthen passing them into mills. First the hull is removed, thegerm is freed and the starch body broken up. Water beingused, the germs, which are lighter in weight, rise to thesurface and are separated. The remaining mass is oncemore milled or ground and brought into a very fine condi- In 2 re ^ c s;;-. iSS 156 PLANT-BREEDING tion. By means of silk bolting cloths the hull or bean issifted out, and the starch, which is heavier than the gluten,sinks to the bottom. Starch is the basis of a large numberof products, as for instance, glucose, grape-sugar, dextrine,and gum. Among them, glucose is the most important,next to the starch itself. The oil is isolated from the germsby pressure after drying and grinding them to a fine residue constitutes the corn cake and corn meal whichis used for feeding live stock. The oil itself is used by paintmanufacturers, soap makers and for the production ofrubber substitutes, among which the corn rubber or vul-canized corn oil is one of the most important. The hominymills separate the hulls and germs from the hominy, whichchiefly consists of the horny ])art of the kernel, with moreor less adhering starch. Separated in pure form and re-duced to a coarse powder, the hominy is ca
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