Bulletin of the U.S. Department of Agriculture (1920) (14758927466)

Identifier: bulletinofusdep601625unit (find matches)
Title: Bulletin of the U.S. Department of Agriculture
Year: 1913 (1910s)
Authors: United States. Dept. of Agriculture
Subjects: Agriculture Agriculture
Publisher: (Washington, D.C.?) : The Dept. : Supt. of Docs., G.P.O.
Contributing Library: American Museum of Natural History Library
Digitizing Sponsor: American Museum of Natural History Library



Text Appearing Before Image:
Fig. 5.—Heads of durum ana common wheat in twopositions: A, Face view of spikelets; B, edge viewof spikelets. 1, Kubanka (durum); 2, Bluestem; 3, Preston. 12 BULLETIN 618, IT. S. DEPARTMENT OF AGRICULTURE. somewhat translucent or vitreous. Some varieties of durum wheathave red kernels. Only one of these, Do,1 has become commerciallygrown in the United States, and this at so recent a date that it isnot discussed elsewhere in this bulletin.
Text Appearing After Image:
Fig. 6.—Kernels of two varieties of durum wheat and four varieties of common wheat, each variety repre-senting a different group: A, Kubanka; B, Pelissier; C, Marquis (Fife); D, Haynes (Bluestem); E, Pres-ton; F, Turkey (Crimean). KEY TO GROUPS AND VARIETIES. Below is given a key to the groups and varieties of durum wheatdiscussed in this bulletin. Heads of varieties representing the fourchief groups are shown in figure 7. 1 This variety originated from a selection made by Prof. H. L. Bolley, of the North Dakota AgriculturalExperiment Station, in a field of durum wheat in Russia. It was tested, increased, and distributed by himas Do. It is an exceptionally rust-resistant variety, but of poor bread-making quality. This is the reddurum on which is based the subclass Red Durum of the United States Grain Standards Act.Houston, 1917.) EXPERIMENTS WITH DURUM WHEAT. 13 Key to the groups and varieties of durum wheat. Group.Spike awned, flattened transversely to the plane of therachis; kerne