. Bulletin of the Department of Agriculture. Agriculture; Agriculture. IfJIMI UNITED STATES DEPARTMENT OF AGRICULTURE BULLETIN No. 813 Contribntion from the Bnrean of Plant Indostir WM. A. TAYLOR. Chief Washington, D. C. PROFESSIONAL PAPER June 25, 1920 CITRUS-FRUIT IMPROVEMENT A STUDY OF BUD VARIATION IN THE EUREKA LEMON By A. D. SHAMEL, Physiologist, L. B. SCOTT, Pomologist, C. S. POMEROY, Assistant Pomologist, and C. L. DYER, Scientific Assistant, Fruit- Improvement Investigations, Office of Horticultural and Pomological Investigations CONTENTS Page Importance of the Lemon Industry . 1
. Bulletin of the Department of Agriculture. Agriculture; Agriculture. IfJIMI UNITED STATES DEPARTMENT OF AGRICULTURE BULLETIN No. 813 Contribntion from the Bnrean of Plant Indostir WM. A. TAYLOR. Chief Washington, D. C. PROFESSIONAL PAPER June 25, 1920 CITRUS-FRUIT IMPROVEMENT A STUDY OF BUD VARIATION IN THE EUREKA LEMON By A. D. SHAMEL, Physiologist, L. B. SCOTT, Pomologist, C. S. POMEROY, Assistant Pomologist, and C. L. DYER, Scientific Assistant, Fruit- Improvement Investigations, Office of Horticultural and Pomological Investigations CONTENTS Page Importance of the Lemon Industry . 1 History of the Eurelca Variety .... 3 Variability within the Variety 3 Objects of the Investigations 6 Plan of the Investigations 7 Methods of Keeping Performance Rec- ords 8 Descriptions of the Important Strains . 13 Lessons Tanght by These Investigations 23 Presentation of Data 25 Page Comparative Valae of the Strains ... 78 The Unintentional Propagation of Unde- sirable Strains 79 The Isolation of Strains through Bud Selection 80 Top-Working Undesirable Trees ... 81 Replacing Undesirable Trees in Bearing Orchards 84 The Selection and Care of Bud Wood . 85 Summary . , . i 87. WASHINGTON GOVERNMENT PRINTING OFFICE 1920. 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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