. The botany of crop plants; a text and reference book. Botany, Economic. I 10 BOTANY OF CROP PLANTS Repeated Germination Kind of seed Per cent, germinatec I ISt 2d 3d 4th Sth 6th Schumacher wheat Clawson wheat Buckwheat lOO lOO lOO lOO lOO lOO 90 97 100 87 98 98 67 84 6S 8 38 39 Classification of the Types of Wheat.^—Hackel divides the genus Triticum into two sections, Aegilops and Sitopyros. In the first, the glumes are flat or rounded on the back; in the second, keeled. T. ovata is the principal species in the Aegilops section. It occurs in southern Europe, as far east as Turkestan in Asia.
. The botany of crop plants; a text and reference book. Botany, Economic. I 10 BOTANY OF CROP PLANTS Repeated Germination Kind of seed Per cent, germinatec I ISt 2d 3d 4th Sth 6th Schumacher wheat Clawson wheat Buckwheat lOO lOO lOO lOO lOO lOO 90 97 100 87 98 98 67 84 6S 8 38 39 Classification of the Types of Wheat.^—Hackel divides the genus Triticum into two sections, Aegilops and Sitopyros. In the first, the glumes are flat or rounded on the back; in the second, keeled. T. ovata is the principal species in the Aegilops section. It occurs in southern Europe, as far east as Turkestan in Asia. The cultivated wheats belong to the Sitopyros Fig. 37.—A, split palet of einkorn (Triticum monococcum) surrounding the grain; B, glume of einkorn; C, glume of club wheat (T. compactum). X 5- Key to Economic Types of Wheat Spikelets two-flowered, one sterile, one fertile; terminal spikelet aborted; lateral teeth of glumes acute (Fig. 37); palet dividing lengthwise when mature. T. monococcum (einkorn).. 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 & Co
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Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectbotanyeconomic
