. Genetics in relation to agriculture. Livestock; Heredity; Variation (Biology); Plant breeding. i\ ^li'^SA ..- '•%:: ' »j -fc« . t".« r ' Fig. 171.—Pedigree cultures of Bursa in greenhouse of the Department of Botany, Prince- ton University. {Photo from G. H. ShiiU.) of various sorts may appear—damping off, insect pests, snails, slugs, mice, and in the breeding garden birds, gophers, moles, rabbits, etc. In this connection it may be sufficient to say that eternal vigilance is the price Digitized by Microsoft®. Please note that these images are extracted from scanned page images that m

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. Genetics in relation to agriculture. Livestock; Heredity; Variation (Biology); Plant breeding. i\ ^li'^SA ..- '•%:: ' »j -fc« . t".« r ' Fig. 171.—Pedigree cultures of Bursa in greenhouse of the Department of Botany, Prince- ton University. {Photo from G. H. ShiiU.) of various sorts may appear—damping off, insect pests, snails, slugs, mice, and in the breeding garden birds, gophers, moles, rabbits, etc. In this connection it may be sufficient to say that eternal vigilance is the price Digitized by Microsoft®. 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 Babcock, E. B. (Ernest Brown), b. 1877; Clausen, Roy Elwood, 1891-. New York, McGraw-Hill; [etc. , etc. ]

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Keywords: ., bookcentury1900, bookdecade1910, booksu, booksubjectplantbreeding