The Nut Culturist: A Treatise on Propogation, Planting, and Cultivation of Nut Bearing Trees and Shrubs Adapted to the Climate of the United StatesFuller, Andrew S. (Andrew Samuel)
Science
The Nut Culturist: A Treatise on Propogation, Planting, and Cultivation of Nut Bearing Trees and Shrubs Adapted to the Climate of the United States
Fuller, Andrew S. (Andrew Samuel)
Nuts
SUCCESS (Parry).--Burs very large, broad, with only a few short,
scattering, branching spines on the top, thicker toward the base; on
a thin, parchment-like husk, and this is so thin that it sometimes
cracks open and exposes the nuts within before they are fully ripe.
Nuts extra large, nearly equal to the Giant, but of a more regular
and symmetrical form, being nearly as long as broad, tapering to a
point. Shell smooth, dark brown, with a slight pubescence about the
point. Usually three nuts in a bur; an ideal variety in every
respect.
There is a variety of the Japan chestnut recently much lauded under
the name of Mammoth or Burbank, which is said to be of immense size,
and as sweet as the common American chestnut.
=Injurious Insects.=--The chestnut tree is rarely attacked by
insects. It is true that grubs may occasionally be found boring into
the wood or cutting sinuous burrows under the bark, but this is
mainly in trees weakened by exposure, in removing protecting
companions, as when removing forests, or by plowing up and
destroying the roots, in cultivating the land about them; but the
attacks of insects upon such specimens is nature's way of getting
rid of the feeble and least valuable, making room for the healthy
and strong. But my thirty years' residence in a chestnut grove leads
me to think that this nut tree is exceedingly free from wood borers
of any kind.
Entomologists, however, have noted several instances of insect
depredations upon individual trees, by a few species of the
long-horn beetles, three or four in all, but these occur so rarely
that they are scarcely worthy of notice as pests of the chestnut.
There are also several species of caterpillars occasionally found
feeding on the leaves of this tree, also some sucking bugs or tree
hoppers, and two or three kinds of plant lice, but none of these
have, as yet, become at all formidable enemies, or likely to become
so later. But the chestnut has one enemy which is so abundant and
destructive to the nuts as to call for an extended notice. I refer
to the common native chestnut weevil (_Balaninus carytripes_,
Boheman). The little fat, white, round, legless grubs, nearly or
quite a half-inch long, must be familiar to every person who has
handled or eaten chestnuts raised in this country, whether of the
exotic or native varieties. The parents of this grub are oval-shaped
beetles about one-half inch long or less; wing covers, body and legs
densely covered with a short yellow down, and from the front or
thorax there extends a long, slightly curved, slender snout (Fig.
36), sometimes nearly an inch in length in the females, but usually
less in the males. The mouth parts are at the extreme end of this
snout or proboscis, and the female, with her mandibles, it is
claimed, reaches down among the chestnut spines and gnaws a hole in
the husk, into which she drops an egg; and when this hatches, the
minute grub cuts its way through the green husk and into the nut,
Public-domain text, read in full here on John Shaqi.
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