Science and Practice in Farm CultivationBuckman, James
Science
Science and Practice in Farm Cultivation
Buckman, James
Agriculture
If the reader revert to page 6, Fig. 3, he will see that the progress
from a wild to a better root-form is marked by a more fleshy, but still
a much forked, or finger-and-toed example. Now as it is held that a
clear unbranched outline is essential to a well-formed root crop of
every kind, whenever a crop becomes fingered-and-toed, it is looked upon
as a disease. It must be understood that we are here speaking of
finger-and-toe as distinct from anbury, which latter is a decidedly
diseased condition, whether caused by insects or resulting, as some
affirm, from a defect in the soil.
The difference in the two states may be briefly summed up as follows:—
FINGER-AND-TOE. | ANBURY.
|
Root simply branched or forked, | Root infested with irregular
with tapering fleshy rootlets; | nodular protuberances, or with
occurs in turnips, parsnips, | tumours suspended by roots,
carrots, and mangold. (See | having very much the aspect of
figs. 1, 2, 3, 5, 6, 7, 8, 9, | rows of ginger; occurs in
10.) | turnips alone. (See fig. 12.)
The example of a root at page 6 is a good form of a parsnip progressing
from wildness to a better cultivated form. We now offer an engraving
(fig. 5) of a hollow-crowned crop parsnip, fingered-and-toed, and
evidently of a very objectionable form, as it will be seen on
comparison how nearly alike are figs. 3 and 5.
[Illustration: _Fig. 5._—Finger-and-toed degenerate Parsnip. Half nat.
size.]
Now, as every degenerate crop of parsnips will be found to offer a large
proportion of such roots as fig. 5, we seem bound to conclude that,
inasmuch as our fig. 3 _represents a root in progress towards
ennobling_, so fig. 5 is that of a root declining to its level,—in other
words, degenerating; seed, therefore, that produces such roots can only
come from a poor stock.
Our next fig. (6) is of a parsnip that had prematurely flowered. Sending
up flowered stems the first year, in the case of a biennial, can only be
looked upon as an instance of degeneracy. Plants that “run,” as it is
termed, being comparatively useless, the best use, indeed, that can be
made of them being that of pulling them up and giving them to the pigs.
Now this propensity is always accompanied with forked roots, more
especially in carrots, which roots are even more degenerate than those
represented in figs. 3 and 5, as those were fleshy and succulent; but
when the roots of runners are examined, they are always found to be
tough and woody, and, in fact, they very nearly resemble the wild
examples.
[Illustration: _Fig. 6._ Carrot of First Year run to Seed. Half nat.
size.]
Fig. 7 is taken from a carrot that has run, and its rough, woody,
nodular, forked root is fully apparent.
[Illustration: _Fig. 7._ Forked Carrot run to seed. Half nat. size.]
[Illustration: _Fig. 8._ Forked Belgian Carrot. Half nat. size.]
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