Luther Burbank: His Methods and Discoveries and Their Practical Application, Volume 4

almond appearance apple trees apricot blossoms branches buds Burbank California cells cherry cions citrus fruits climate color combination common quince course crop cross cultivated desirable doubtless duced dwarfed European pear experiments fact Feijoa fertilizer flavor flesh flowers foliage frost fruit grower fruit trees germ plasm Golden Russet grafting grow grown growth Guava hybrid important improvement individual Japanese apricot Japanese plum Japanese Quince lacking leaf lemon less loquat matter ment nectarine northern Northern Spy old orchard orange orchard fruits orchardist parent periments persimmon picture shows Pineapple quince plant developer plant experimenter plumcot pollen possible produced progeny prove prune pulp qualities of fruit race regard regions result rieties ripen roots season Sebastopol seed seedless Seedling Pear seedlings selective breeding skin soil species stone stoneless plum suggests theg thousand tion varieties of apples varieties of fruit vigorous Volume IV—Chapter wild