How Plants are Trained to Work for Man: Grafting and buddingP. F. Collier & Son Company, 1921 - Botany |
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ancestors animals appearance apple artificial selection bark bearing berry birds black walnut blossoms boxes branches breeding California cambium cambium layer chemical cherry cion cion and stock color combination course cross cross-fertilization desirable qualities developed divergent dwarf fertilization flavor flower fragrant calla French prune garden grafting grow growers grown growth habit heredity hybrid hybridizing experiments illustration inches individual insect large number less matter method moth mutation natural selection odor offspring orchard organism original ovule pairs of unit peach pear perfume perhaps Persian walnut pistil plant breeding plant experimenter point of fact pollen grain possible potato produced progeny race racial raspberry result ripen roots season seed seedlings self-fertilization Shasta daisy single soil species specimens stalk stamens stigma stone fruit stoneless plum strains strawberry success Sugar prune tendency TEOSINTE thousands tion tissues traits transplanted tree unit characters usually variation varieties vary white blackberry winter rhubarb yucca