. Bulletin of the Department of Agriculture. Agriculture; Agriculture. UNITED STATES DEPARTMENT OF AGRICULTURE BULLETIN No. 195 Contribution from the Burean of Plant Industry WILLIAM A. TAYLOR, Chief Washington, D. C. PROFESSIONAL PAPER May 20,1S15 POTATO BREEDING AND SELECTION By WILLIAM STUART, Horticulturist, Office of Horticultural and Pomological Investigations CONTENTS Introduction 1 Potato Breeding and Selection Defined . 2 of Breeding and Selection . 2 Early Attempts at Potato Breeding ... 3 Technique of Potato Breeding .... 6 Pollen-Producing Varieties 9 Results of E
. Bulletin of the Department of Agriculture. Agriculture; Agriculture. UNITED STATES DEPARTMENT OF AGRICULTURE BULLETIN No. 195 Contribution from the Burean of Plant Industry WILLIAM A. TAYLOR, Chief Washington, D. C. PROFESSIONAL PAPER May 20,1S15 POTATO BREEDING AND SELECTION By WILLIAM STUART, Horticulturist, Office of Horticultural and Pomological Investigations CONTENTS Introduction 1 Potato Breeding and Selection Defined . 2 of Breeding and Selection . 2 Early Attempts at Potato Breeding ... 3 Technique of Potato Breeding .... 6 Pollen-Producing Varieties 9 Results of Ezperimsntal Crossing ... 11 Reciprocal Crosses 15 Varietal Affinity 16 Page 17 Potato Crosses JVf ade in Method of Growing and Testing Seed- lings 18 Seedling Inheritance in the Fi Generation 20 Potato Improvement by Selection ... 21 Early Selection Experiments 22 Selection Methods 27 Departmental Investigations 29 Summary 35. WASHINGTON GOVERNMENT PRINTING OFFICE I9IS. 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 United States. Dept. of Agriculture. [Washington, D. C. ?] : The Dept. : Supt. of Docs. , G. P. O.
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