. Botany for agricultural students . Botany. 528 EVOLUTION We now believe that our cultivated plants afford many ex- amples of mutations. Strawberries without runners have sud- denly arisen among plants with runners and have bred true from seed. The Beseler Oats, a beardless variety, originated from a few plants found in a field of bearded Oats. Also a number of choice new varieties of Wheat started from one or a few plants which. Fig. 471. — The Wild Cabbage and some of the forms that are supposed to be mutants of the Wild Cabbage. A, Wild Cabbage; B, Kohlrabi; C, Cauli- flower; D, Cabbage; E
. Botany for agricultural students . Botany. 528 EVOLUTION We now believe that our cultivated plants afford many ex- amples of mutations. Strawberries without runners have sud- denly arisen among plants with runners and have bred true from seed. The Beseler Oats, a beardless variety, originated from a few plants found in a field of bearded Oats. Also a number of choice new varieties of Wheat started from one or a few plants which. Fig. 471. — The Wild Cabbage and some of the forms that are supposed to be mutants of the Wild Cabbage. A, Wild Cabbage; B, Kohlrabi; C, Cauli- flower; D, Cabbage; E, Welsh or Savoy Cabbage; F, Brussels Sprouts. After Smalian. suddenly appeared differing in characters from the other plants of the field. The Cauhflower and Kohlrabi (Fig. 471) were raised from isolated monstrosities of the wild Cabbage {Brassica oleracea). Green Roses, green Dahlias, seedless Oranges, seed- less Bananas, and varieties of the Boston Fern with finely divided leaves are other examples of mutations. Sometimes a bud may mutate, giving rise to a bud sport. In this way the Nectarine, which has a fruit resembling that of the Peach but lacking. 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 Martin, John N. (John Nathan), b. 1875. New York : John Wiley & Sons, Inc.
Size: 1319px × 1894px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1919
