. Classification of American wheat varieties. Wheat; Wheat. UNITED STATED DEPARTMENT OP AGRICULTURE I BULLETIN No. 1074 rp Washington, D. C. PROFESSIONAL PAPER November 8,1922 CLASSIFICATION OF AMERICAN C69 WHEAT VARIETIES/ By . J. ALLEN CLARK, Agronomist in Charge, JOHN H. MARTIN, Agronomist, Western Wheat Investigations, and CARLETON R. BALL, Cerealist in Charge, Office of Cereal Investigations, Bureau of Plant Industry CONTENTS Page Necessity for a Classification of Wheat. 1 Previous Investigations 2 Foreign Classifications 3 American Classifications 7 Summary of Previous Classifications .
. Classification of American wheat varieties. Wheat; Wheat. UNITED STATED DEPARTMENT OP AGRICULTURE I BULLETIN No. 1074 rp Washington, D. C. PROFESSIONAL PAPER November 8,1922 CLASSIFICATION OF AMERICAN C69 WHEAT VARIETIES/ By . J. ALLEN CLARK, Agronomist in Charge, JOHN H. MARTIN, Agronomist, Western Wheat Investigations, and CARLETON R. BALL, Cerealist in Charge, Office of Cereal Investigations, Bureau of Plant Industry CONTENTS Page Necessity for a Classification of Wheat. 1 Previous Investigations 2 Foreign Classifications 3 American Classifications 7 Summary of Previous Classifications . 9 Present Investigations 10 Classification Nurseries 11 Preparing Descriptions, Histories, and Distributions 15 Varietal Nomenclature 17 The Wheat Plant 22 Morphological Characters 23 Physiological Characters 47 Classification of the Genus Triticum Key to the Species or Subspecies Common Wheat Club Wheat Page . 48 . 50 . 50 . 172 Poulard Wheat 180 Durum Wheat 183 Emmer 193 Spelt 195 Polish Wheat 197 Einkorn 198 Unidentified Varieties 199 Estimated Acreage of Varieties 207 Literature Cited 219 Index to Varieties and 231. WASHINGTON GOVERNMENT PRINTING OFFICE 1922. 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 Clark, J. Allen (Jacob Allen), b. 1888; Ball, Carleton Roy, 1873-1958; Martin, John H. (John Holmes), 1893-. Washington : Govt. Print. Off.
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectwheat, bookyear1922
