. The botany of crop plants : a text and reference book. Botany, Economic. CRUCIFERiE 333 lactic-acid species of bacteria on the sugar in the cabbage juice. Ordinarily there is a maximum of about i per cent, of lactic acid, the presence of which prevents putrefaction of the sauerkraut. Among other organisms, yeast is universally present in the fermenting cabbage. Cabbages are also used quite extensively for pickling, and as a food for stock and chickens. BRASSICA OLERACEA VAR. CAULO-RAPA (Kohlrabi or Turnip-rooted Cabbage) (Fig. 138) The stem is short, much thickened, fleshy, and stands out of
. The botany of crop plants : a text and reference book. Botany, Economic. CRUCIFERiE 333 lactic-acid species of bacteria on the sugar in the cabbage juice. Ordinarily there is a maximum of about i per cent, of lactic acid, the presence of which prevents putrefaction of the sauerkraut. Among other organisms, yeast is universally present in the fermenting cabbage. Cabbages are also used quite extensively for pickling, and as a food for stock and chickens. BRASSICA OLERACEA VAR. CAULO-RAPA (Kohlrabi or Turnip-rooted Cabbage) (Fig. 138) The stem is short, much thickened, fleshy, and stands out of the ground. The fleshy part comes from the stem above the cotyledons, hence is not root. The swelling begins at the ground line; there is formed a large, spherical body upon which are very prominent, broad leaf scars. As to color there are two principal types: Those with white "balls" or stems (White Vienna Erfurt); and those with purple "balls" (Purple Vienna). Kohlrabi is not grown exten- sively in the United States. It is used particularly by our foreign population, being stewed and eaten like turnips or ruta- bagas. It is also a valuable stock food; both the stems and leaves are used for this purpose. Kohlrabi is chiefly grown as an early spring crop, less frequently as a fall crop. It does not endure the heat of Fig. 138.—Kohlrabi (Brassica oleracea caulo-rapa).. 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 Robbins, Wilfred William, 1884-1952. Philadelphia : P. Blakiston's Son
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